The HP 15 Notebook PC is a popular choice among users for its reliable performance and sleek design. However, one of the key concerns for any laptop user is battery life. The demand for longer-lasting batteries has led to a wide range of options in the market. In this article, we will explore the 13 best HP 15 Notebook PC batteries for 2023, providing you with insights and recommendations to help you make an informed choice. Whether you are a student, professional, or casual user, finding the right battery is crucial to ensure uninterrupted productivity and enjoyment of your HP 15 Notebook PC.
Overall Score: 7.8/10
The Futurebatt LA04 LA04DF laptop battery is a compatible replacement for HP Pavilion 14 15 Notebook PC series. With a 12-month warranty and strict standards compliance, this battery offers both safety and stability. It features higher quality cells and is rechargeable up to 600 times over its life. The battery has been rated 4.4 out of 5 by customers, who have praised its functionality and compatibility with their laptops. However, some users have reported issues with the fit and longevity of the battery. Overall, the Futurebatt LA04 LA04DF Laptop Battery is a cost-effective solution for extending the battery life of your HP Pavilion laptop.
Key Features
- 4 Cell, Li-ion battery
- Rated at 14.8V 2200mah
- CE-/Ro HS-/FCC- Certified
- Rechargeable up to 600 times
- Compatible with various HP Pavilion models
Specifications
Pros
- 12-month warranty
- Higher quality cells
- Cost-effective
Cons
- Fit issues reported
- Limited longevity
The Futurebatt LA04 LA04DF Laptop Battery offers a budget-friendly alternative for HP Pavilion laptop owners. It provides a 12-month warranty and comes with a range of safety features. However, some users have experienced fit issues, and the battery’s longevity may not be as long-lasting as expected. Overall, if you’re looking for a cost-effective way to extend the battery life of your HP Pavilion laptop, this product is worth considering. Just be sure to check compatibility and consider the reported fit issues before making a purchase.
Overall Score: 8.5/10
The New Replacement 807956-001 HS03 HS04 Laptop Battery is a reliable and affordable option for HP 14 and 15 Notebook PCs. With a Li-ion battery type and 2600mAh capacity, this battery provides long-lasting power for your laptop. It is compatible with various HP laptop models and comes with a 12-month warranty and 30-day money-back guarantee. The black color and sleek design make it a stylish addition to your laptop. Customers have praised its excellent performance, easy installation, and fast charging capabilities. However, some users reported that the battery does not hold a charge for a long time. Overall, the New Replacement 807956-001 HS03 HS04 Laptop Battery offers great value for money and is a reliable choice for HP laptop users.
Key Features
- Battery Type: Li-ion Voltage:14.8V Capacity:2600Mah Cell:4cell Color: Black.
- Compatible with various HP laptop models
- 12 Months warranty, 30 Days Money Back Guarantee
Specifications
- Color: Black
- Dimension: 12.00Lx3.00Wx2.50H
Pros
- Great value for money
- Easy installation
- Fast charging
Cons
- Battery does not hold charge for long
The New Replacement 807956-001 HS03 HS04 Laptop Battery is a reliable and affordable option for HP laptop users. With its long-lasting power, easy installation, and stylish design, it offers great value for money. However, some users have reported issues with the battery’s charging capacity. Overall, if you’re looking for a replacement battery for your HP 14 or 15 Notebook PC, this product is worth considering.
Overall Score: 8/10
The 776622-001 Battery is a compatible laptop battery for HP Pavilion 14 and 15 Notebook PC series. It is a 4 Cell Li-ion battery rated at 14.8V 2200mah. The battery is equipped with higher quality cells and has the same size and shape as an OEM battery. It is rechargeable up to 600 times over the life of the battery. The product is CE-/RoHS-/FCC-certified and built with circuit protection for safety and stability. It comes with a 60-day money back guarantee or 12-month replacement warranty. The battery is compatible with various HP models and is easy to install.
Key Features
- 4 Cell, Li-ion battery, Rated at 14.8V 2200mah
- Compatible with various HP Pavilion 14 and 15 Notebook PC series
- Rechargeable up to 600 times
- CE-/Ro HS-/FCC-certified and built with circuit protection
- 60-day money back guarantee or 12-month replacement warranty
Specifications
Pros
Cons
The 776622-001 Battery is a reliable and affordable replacement battery for HP Pavilion 14 and 15 Notebook PC series. It offers a significant improvement in battery life compared to old batteries, allowing users to continue using their laptops without interruption. The battery is easy to install and provides the same performance as an original battery. With a 60-day money back guarantee and a 12-month replacement warranty, customers can purchase this battery with confidence. Overall, it is a great value for money and a must-have for HP laptop users.
Overall Score: 7.5/10
The TREE.NB Spare 776622-001 Battery is a high-performance replacement battery compatible with HP Pavilion 14 and 15 notebook PCs. With a 4-cell design and 2200mAh capacity, it provides reliable power for your laptop. The battery features grade A battery cells, offering up to 500 charging cycles for long-lasting performance. It is compatible with various HP Pavilion models and comes with a 12-month warranty for added peace of mind. The battery is easy to install and offers good value for money. However, some customers have reported issues with the battery's lifespan and charging capacity.
Key Features
- Li-ion battery type
- Voltage: 33w H/2200MAH/14.4V
- Compatible with 4 Cell Spare Battery for HP Pavilion 14 15 Notebook Touch Smart PC series
- Grade A battery cells with up to 500 charging cycles
- 12-month warranty
Specifications
- Color: Black
- Dimension: 12.24Lx3.27Wx1.93H
Pros
- Compatible with various HP Pavilion models
- Easy to install
- Good value for money
- Decent battery life
- Includes 12-month warranty
Cons
- Some customers experienced short lifespan
- Not the longest-lasting battery
- Variable charging capacity
The TREE.NB Spare 776622-001 Battery is a reliable replacement option for HP Pavilion 14 and 15 notebook PCs. It offers good compatibility, ease of installation, and a decent battery life. The grade A battery cells ensure up to 500 charging cycles, providing long-lasting performance. The 12-month warranty adds an extra level of assurance. However, some users have reported issues with the battery’s lifespan and charging capacity, so it may not be the most durable option on the market. Overall, it is a cost-effective solution for extending the battery life of your HP Pavilion laptop.
Overall Score: 7/10
The BAJTGAD 919700-850 JC04 JC03 Laptop Battery is a replacement battery designed for various HP laptop models. It features a Li-ion composition with a capacity of 2200mAh and a voltage of 14.8V. The battery is equipped with overcharge and overdischarge circuit protection, ensuring the safety of your device. With up to 500 recharge cycles, it offers durability and longevity. The battery is also CE/FCC/RoHS certified for safety. It comes with a money-back guarantee and 24/7 email support for customer satisfaction. Though some users have reported uncertain battery longevity and incorrect charge reporting, the battery provides reliable performance and compatibility with HP laptops.
Key Features
- Battery type: Li-ion; Capacity: 2200m Ah/33WH; Cells: 4-cell; Voltage: 14.8V.
- Compatible with various HP laptop models
- Overcharge and Overdischarge Circuit Protection
- Up to 500 recharge cycles over the life of the battery
- CE/FCC/Ro HS Certified for safety
Specifications
- Dimension: 13.00Lx3.00Wx2.00H
- Size: 1 Count (Pack of 1)
Pros
- 100% New from Manufacturer
- Compatibility with multiple HP laptop models
- Overcharge and overdischarge protection
- Certified for safety
- Money-back guarantee
- 24/7 Email Support
Cons
- Uncertain longevity of battery charge
- Some users experienced incorrect reporting of charge levels
- Limited battery life
The BAJTGAD 919700-850 JC04 JC03 Laptop Battery is a reliable replacement option for various HP laptop models. It offers compatibility, safety, and durability with its overcharge and overdischarge protection, CE/FCC/RoHS certification, and 500 recharge cycles. It comes with a money-back guarantee and 24/7 email support, ensuring customer satisfaction. While there have been reports of uncertain longevity and incorrect charge reporting, overall, this battery provides decent performance. If you’re in need of a replacement battery for your HP laptop, this option is worth considering.
Overall Score: 8/10
The New Replacement Laptop Battery for HP 15-BS, 15-BW, and 17-BS Notebook PC series is the perfect solution for users looking to replace their old, worn-out battery. With a Li-ion battery type and a voltage of 14.6V, this battery offers a capacity of 41.6Wh in a sleek black design. It is compatible with various HP laptop models, including the 15-bs015dx, 15-bs212wm, and 15-bs234wm. The battery comes with a 12-month warranty and a 30-day money-back guarantee for customer satisfaction. With positive reviews praising its performance and long-lasting charge, this battery is a reliable choice for anyone in need of a replacement.
Key Features
- Battery Type: Li-ion Voltage:14.6V Capacity:41.6Wh Color: Black.
- Compatible Part Numbers With HP JC03 JC04 Rechargeable Battery JCO3 JCO4 Spare 919700-850 919701-850 919681-421 919682-421 919681-221 919682-121 919682-831 hstnn-lb7v HSTNN-DB8E TPN-W129 TPN-C129 TPN-C130 Laptop Notebook Battery.
- Replacement for HP 15 15-BW 15-BS Laptop Notebook PC series HP 15-bs015dx 15-bs212wm 15-bs234wm 15-bs013dx 15-bs038dx15-bw011dx 15-bw053od 15-bs113dx 15-bs115dx 15-bs020wm 15-bs070wm 15-bs033cl 15-bs078nr 15-bs061st 15-bs060wm 15-bs075nr 15-bw032wm 15-bw030nr Battery.
- Replacement for HP 14 14-BW 17 17-BS 17-AK Laptop Notebook PC series HP 14-bw012nr 14-bw010nr 17-bs067cl 17-bs049dx 17-bs011dx 17-bs061st 17-ak013dx 17-bs057cl 17-bs020nr 17-bs018cl Battery HP 246 250 255 G4 Notebook PC.
- Warranty: 12 Months warranty, 30 Days Money Back Guarantee.
Specifications
- Dimension: 10.83Lx1.38Wx0.79H
Pros
- Works great!
- Easy to install.
- Exact fitment and fast shipment.
- Good value for the price.
- Holds charge a long time.
- Work efficiently.
Cons
- Battery not charging, and when it does, it doesn't hold the charge for any length of time.
The New Replacement Laptop Battery for HP 15-BS, 15-BW, and 17-BS Notebook PC series is a reliable and affordable option for users looking to replace their old batteries. With its long-lasting charge, easy installation, and compatibility with various HP laptop models, it offers great value for the price. The battery’s sleek design and black color make it a visually appealing choice that seamlessly integrates with the laptop. However, some users have reported issues with the battery not holding a charge for an extended period. Overall, if you’re in need of a replacement battery, this option is definitely worth considering.
Overall Score: 8.5/10
The NinjaBatt Pro 776622-001 HP Laptop Battery is a high-quality replacement battery for HP laptops. It is built to last with over 1000 charge cycles and is made of premium battery cells. With a capacity of 2600mAh, this battery outperforms other low-cost alternatives. It is compatible with various HP laptop models and comes with safety features such as overheat and short-circuit protection. The NinjaBatt Pro also offers a 12-month warranty, providing peace of mind for customers. Overall, this laptop battery offers great value for its price.
Key Features
- New line of elite laptop batteries
- Built to last with over 1000 charge cycles
- Compatible with various HP laptop models
- Packed with safety features
- 12-month warranty
Specifications
- Dimension: 12.36Lx3.62Wx1.97H
- Size: 4 Cells
Pros
- Long-lasting battery life
- Premium battery cells
- Compatible with many HP laptop models
- Comes with safety features
- Includes a 12-month warranty
Cons
- May not last as long as original HP battery
The NinjaBatt Pro 776622-001 HP Laptop Battery delivers reliable performance and is a great alternative to expensive original HP batteries. It offers a long-lasting battery life and is packed with safety features to provide peace of mind. The battery is compatible with a wide range of HP laptop models, making it a versatile choice. Additionally, the 12-month warranty ensures customer satisfaction and support. While it may not last as long as the original HP battery, its affordable price and overall performance make it a worthwhile investment for laptop users in need of a replacement battery.
Overall Score: 8.2/10
The Fancy Buying Battery is a high-quality replacement battery for HP laptops. It is a Li-ion battery with a voltage of 14.8V and a capacity of 2200mAh. With 4 cells, it delivers reliable power and performance. The battery is compatible with various HP Pavilion models and offers a decent operation time of around 1.5-2.5 hours. It comes with a 12-month service and 24 x 7 email support. Customers have praised its affordable price, quick delivery, and easy installation. However, some users have reported that the battery didn't last long. Overall, the Fancy Buying Battery is a reliable and budget-friendly option for HP laptop users.
Key Features
- Li-ion battery with 4 cells
- Compatible with various HP Pavilion models
- Operation time of 1.5-2.5 hours
- Affordable price and high performance
- 12-month service and 24 x 7 email support
Specifications
- Color: Black
Pros
- Affordable price
- Quick delivery
- Easy installation
- Compatible with various HP Pavilion models
Cons
- Short battery life for some users
The Fancy Buying Battery provides a cost-effective solution for HP laptop users in need of a replacement battery. With its affordable price, high performance, and easy installation, it offers great value for money. While some users have reported shorter battery life, the 12-month service and responsive email support provided by the manufacturer help address any potential issues. Overall, this battery is a reliable choice for extending the lifespan of HP Pavilion laptops.
Overall Score: 8.5/10
The Fancy Buying 807956-001 Laptop Battery is a powerful replacement battery designed for compatible HP laptop models. It features a 4-cell Li-ion battery rated at 38Wh/2600mAh/14.8V, making it capable of outperforming and outlasting other batteries. The battery is compatible with various HP models, including 240 G4, 250 G5, and 256 G5, and comes with multiple safety protections and certifications. Additionally, buyers can enjoy a 12-month warranty and 24×7 email support. Customers have given it a rating of 4.3/5 with positive feedback on its performance and quality. However, some users have reported issues with the battery not holding a charge for a long time.
Key Features
- New 4 cell Li-ion battery with premium cells
- Compatible with various HP laptop models
- Overheat, short-circuit, and overload protections
- Comes with a 12-month warranty and 24×7 email support
Specifications
- Dimension: 12.40Lx3.35Wx1.77H
- Size: 6 Cell
Pros
- Powerful performance and long-lasting battery life
- Multiple safety protections and certifications
- Comes with a 12-month warranty and 24×7 email support
Cons
- Some users reported issues with battery not holding a charge
The Fancy Buying 807956-001 Laptop Battery is a reliable and high-performance replacement battery for compatible HP laptops. With its powerful performance, long-lasting battery life, and comprehensive safety features, it ensures a seamless and reliable computing experience. The 12-month warranty and 24×7 email support provide additional peace of mind for buyers. However, it is important to note that some users have experienced issues with the battery not holding a charge for an extended period. Overall, this laptop battery offers great value for its price and is recommended for those looking to enhance their HP laptop’s battery life.
Overall Score: 8/10
The New K104 Notebook Battery is a high-quality replacement battery for HP Pavilion laptops. It offers a capacity of 33Wh and a 4-cell design, providing long-lasting performance for your device. With a voltage of 14.8V, this battery is compatible with various HP Pavilion models, including 14-ab, 14T-ab, 15-ab, 15-an, and 17-g series. It comes with a 12-month warranty and a 30-day money return guarantee. The New K104 Notebook Battery is 100% new from the manufacturer and has a certification for safety. With up to 500 recharge cycles, this battery ensures reliable power for your laptop.
Key Features
- Li-ion battery with 4-cell design
- Capacity of 33Wh; Voltage of 14.8V
- Compatible with various HP Pavilion models
- 12-month warranty and 30-day money return guarantee
- Up to 500 recharge cycles for long-lasting performance
Specifications
- Dimension: 10.00Lx1.40Wx0.80H
- Size: 4 Cell
Pros
- High-quality replacement battery
- Long-lasting performance
- Certified for safety
- 12-month warranty included
Cons
- Some compatibility issues with HP diagnostics
- Lackluster battery lifespan
The New K104 Notebook Battery offers a reliable and affordable solution for replacing your HP Pavilion laptop battery. With its 4-cell design and 33Wh capacity, it provides long-lasting power for your device. The battery comes with a 12-month warranty, ensuring customer satisfaction. However, some users have reported compatibility issues with HP’s diagnostic software, and the overall lifespan of the battery may not meet everyone’s expectations. Nevertheless, the New K104 Notebook Battery is still a great option for those seeking a cost-effective replacement. With its safety certification and up to 500 recharge cycles, this battery delivers reliable performance for your HP Pavilion laptop.
Overall Score: 7.5/10
The RayHom BP02XL 849909-850 Battery Replacement is a high-quality replacement battery for HP Pavilion Notebook PCs. With a capacity of 41Wh and a voltage of 7.7V, this Li-ion battery provides reliable power for your laptop. It is compatible with various HP Pavilion models and comes with a 12-month warranty. The battery is 100% new from the manufacturer and has been certified safe by UL, CE, FCC, and RoHS. It also includes an instruction manual and screwdrivers for easy installation. While some users have reported defective units and issues with battery discharge, overall, the RayHom BP02XL battery is a solid choice for replacing your old HP Pavilion battery.
Key Features
- Battery type: Li-ion battery; Voltage: 7.7V; Capacity: 41Wh; 2 Cell.
- Compatible with HP Pavilion PC 15 15-AU000 and 15-AW000 series
- Quality assurance with certified safety by UL, CE, FCC, and Ro HS
- Includes 12 months warranty and instruction manual
Specifications
- Size: Bp02xl
Pros
- Fast delivery
- Exact match for HP Pavilion notebook
- Includes screwdrivers for easy installation
- Certified safe by world-renowned third parties
Cons
- Defective units reported
- Battery may not hold charge well
- Instructions on battery discharge may cause issues
The RayHom BP02XL 849909-850 Battery Replacement offers a reliable and convenient solution for HP Pavilion Notebook users in need of a new battery. With its high-quality construction and certified safety, this battery provides peace of mind and efficient power for your laptop. While there have been some reports of defective units and battery performance issues, these experiences seem to be the exception rather than the norm. The battery’s fast delivery, exact match for HP Pavilion notebooks, and inclusion of screwdrivers for easy installation are definite positives. Overall, the RayHom BP02XL battery is a good choice for extending the life of your HP Pavilion Notebook PC.
Overall Score: 8/10
The High Quality Futurebatt BP02XL Laptop Battery is a reliable replacement for HP Pavilion Notebook PC 15 series laptops, offering 41Wh/7.7V true charge capacity. The Grade A cells ensure fast charges and low power consumption, while the built-in circuit protection ensures safety and stability. This battery is compatible with various models and offers up to 500 recharge cycles over its lifetime. With a 30-day money-back guarantee, 12 months of free exchange, and 24/7 email support, customers can expect excellent customer service. The battery installation may require some technical knowledge, but it provides a great deal and excellent performance.
Key Features
- Tested to meet OEM specifications
- Grade A cells for fast charges and low power consumption
- Built-in circuit protection for safety and stability
- Compatible with multiple HP Pavilion models
- 30-day money-back guarantee and 12 months of free exchange
Specifications
Pros
- Reliable and long-lasting performance
- Fast charging and low power consumption
- Compatible with various HP Pavilion models
Cons
- May require technical knowledge for installation
- Lack of step-by-step illustrated battery replacement guide
The High Quality Futurebatt Laptop Battery offers a reliable and long-lasting power solution for HP Pavilion Notebook PC 15 series laptops. With its Grade A cells, fast charging capability, and built-in circuit protection, this battery provides excellent performance. The compatibility with multiple Pavilion models is a bonus, ensuring a wide range of users can benefit from this product. The 30-day money-back guarantee and 12 months of free exchange offer peace of mind to customers. The only downside is that the installation process may require some technical knowledge, and it would be helpful to have a step-by-step illustrated guide. Overall, this battery provides great value and performance.
Overall Score: 7/10
The DMKAOLLK KI04 800049-001 Notebook Battery is a compatible replacement battery for HP Pavilion laptops. It offers a 4-cell Li-ion battery with a capacity of 2600mAh and a voltage of 14.8V. The battery has overcharge and overdischarge circuit protection, as well as over-temperature and short-circuit protection. It is designed to provide up to 500 recharge cycles over its lifespan. The battery comes with a full refund within 60 days and is backed by a 12-month replacement warranty and 24/7 email support. Although customers have reported issues with the battery not being recognized by their laptops, the seller has been responsive in sending replacements. Overall, the DMKAOLLK KI04 800049-001 Notebook Battery is a reliable option for HP Pavilion users in need of a replacement battery.
Key Features
- Compatible with HP Pavilion 14-AB 15-AB 17-G 15-AN Series
- Overcharge and overdischarge circuit protection
- Up to 500 recharge cycles over battery's life
- Full refund within 60 days
- 12-month replacement warranty
- 24/7 email support
Specifications
- Dimension: 10.76Lx1.25Wx0.80H
- Size: 14.8V 2600m Ah
Pros
- Compatible with various HP Pavilion laptop models
- Offers overcharge and overdischarge protection
- Long-lasting battery with up to 500 recharge cycles
- Full refund within 60 days for customer satisfaction
- Backed by a 12-month replacement warranty
Cons
- Some customers reported issues with battery recognition
- Longevity of the battery could be improved
The DMKAOLLK KI04 800049-001 Notebook Battery is a reliable replacement option for HP Pavilion laptop users. While there have been reports of the battery not being recognized by some laptops, the seller has shown responsiveness in sending replacements. The battery offers overcharge and overdischarge circuit protection and is designed to last for up to 500 recharge cycles. It comes with a full refund within 60 days and a 12-month replacement warranty, providing peace of mind for customers. If you’re in need of a replacement battery for your HP Pavilion laptop, the DMKAOLLK KI04 800049-001 Notebook Battery is worth considering.
Buyer's Guide: HP 15 Notebook PC Battery
Whether you're a professional on the go or a student heading to class, a reliable battery for your HP 15 Notebook PC is essential. To help you make an informed decision, we've put together a comprehensive buyer's guide that covers all the important factors to consider when purchasing a battery for your laptop. Read on to explore the world of HP 15 Notebook PC batteries!
Factors to Consider
When selecting a battery for your HP 15 Notebook PC, keep the following factors in mind:
- Compatibility: Ensure that the battery you choose is specifically designed for the HP 15 Notebook PC to guarantee proper fit and functionality.
- Battery Life: Look for a battery with extended battery life to avoid frequent recharging during your busy work or study schedule.
- Quality: Opt for a battery from a reputable manufacturer known for producing reliable and high-quality power products.
- Capacity: Consider the capacity of the battery in terms of milliampere-hours (mAh) to determine how long it will power your laptop before needing to be recharged.
- Price: Set a budget and compare prices among different sellers to find a battery that offers a balance between affordability and reliability.
- Warranty: Check if the battery comes with a warranty to protect against any manufacturing defects or premature failure.
Types of Batteries
Depending on your usage requirements, there are different types of batteries available for HP 15 Notebook PCs. These include:
- Standard Lithium-Ion (Li-Ion) Battery: This is the most common type of battery used in laptops, offering a good balance between cost, performance, and battery life.
- Extended-Life Battery: These batteries have a higher capacity than standard batteries, providing longer usage time before needing to be recharged. However, they may add weight and bulk to your laptop.
- Ultra-Slim Battery: If portability is a top priority, these batteries are designed to be thinner and lightweight, making them ideal for users constantly on the move.
- High-Performance Battery: For power users who require maximum performance, high-performance batteries offer increased capacity and optimized power output.
Battery Care Tips
To ensure your HP 15 Notebook PC battery lasts as long as possible, follow these care tips:
- Calibration: Periodically calibrate your battery by fully charging it, then discharging it completely before recharging again. This helps maintain accurate battery life estimates.
- Temperature: Avoid exposing your battery to extreme temperatures, as they can negatively impact its performance and overall lifespan.
- Avoid Overcharging: Once the battery is fully charged, unplug the power source to prevent overcharging, which can lead to reduced battery lifespan.
- Regular Use: Use your battery regularly and avoid letting it sit unused for long periods, as this can cause it to degrade.
- Proper Charging: Use the official charger that came with your HP 15 Notebook PC, or a reputable replacement, to ensure proper and safe charging.
Frequently Asked Questions about 13 Best Hp 15 Notebook Pc Battery for 2023
Check the specifications provided by the manufacturer or seller to ensure compatibility. Look for the specific model numbers the battery is designed for.
In most cases, it is not possible to upgrade the battery capacity beyond what the manufacturer offers. However, you may consider purchasing an extended-life battery for longer usage time.
It is not recommended to use a battery from a different laptop model, as it may not fit properly or provide the required voltage, potentially damaging your laptop.
The battery life depends on various factors, including the capacity of the battery, power settings, and usage patterns. Check the specifications provided by the manufacturer for an estimated battery life.
If your battery starts losing capacity significantly, consider replacing it with a new one. Consult the manufacturer’s guidelines or seek professional assistance for battery replacement.