Looking for the best 4000mAh battery capacity options? We’ve curated a list of 10 top-performing batteries to enhance your devices’ performance and longevity.
4000mAh batteries are a game-changer for anyone needing reliable, long-lasting power. Whether for tools, gadgets, or devices, these batteries deliver high capacity and durability. They keep your devices running longer, so you can focus on what matters most.
With safety features like overheat protection and long recharge cycles, these batteries are built to last. Discover the best options and find the perfect fit for your needs. Let’s explore how 4000mAh batteries can upgrade your experience!
List of Top 10 Battery Capacity 4000mAh
| Image | Title | Best For | Price |
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KINGTIANLE 2 Pack 4000mAh 20V Lithium Ion Battery Replace Battery for Black and Decker 20 Volt Max Battery LBXR20 LB20 LBX20 LBX4020 Cordless Power Tools Series |
This battery pack is perfect for DIY lovers and professionals who use Black and Decker cordless tools. It’s great for long projects and reliable power needs. |
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Bonacell 2Pack 4000mAh Batteries and Charger, Replacement for Black and Decker 20V Lithium Battery, Compatible with Black and Decker 20V Battery LBXR20 LBX20 LB20 LBX4020 LBXR20B-2 LST300 LST220 |
This product is perfect for anyone who uses Black and Decker 20V cordless tools. It’s great for quick replacements and keeping your tools running smoothly. |
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Upgraded 4000mAh N79 14.4V Battery for Eufy RoboVac 11 11S 30 15C 25C 35C Robot Vacuum Cleaner for Ecovacs Deebot N79 N79S Deebot 500 600 DN622, Goovi F007C D380 Robot Vacuum Cleaner Battery |
This battery is perfect for robot vacuum owners who want longer cleaning times and reliable performance. It’s ideal for those with Eufy RoboVac or Ecovacs Deebot models, offering up to 2 hours of runtime and 1000+ recharge cycles. |
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Liter energybattery 3.7V Lipo Battery 4000mAh Rechargeable Lithium ion Polymer Battery 125054 with JST Connector |
This 3.7V 4000mAh LiPo battery is perfect for hobbyists and DIY enthusiasts who need a reliable, rechargeable power source for small electronics. It’s ideal for projects like RC cars, robots, or portable devices, but not for drones. |
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YTKavq 3.7V 4000mAh Battery 606090 Lithium Polymer Ion Rechargeable Li-ion Li-Po Battery with 2P PH 2.0mm Pitch Connector |
The YTKavq 3.7V 4000mAh Battery is perfect for anyone needing a reliable, rechargeable power source for small devices. It’s great for DIY projects, portable gadgets, or replacing old batteries in compatible devices. |
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HamnaKhu for Sonim XP5 / XP5700 / XP5800 / XP5s Replacement Battery – 4000mAh High-Capacity – Compatible with BAT-03180-01S |
This battery is perfect for Sonim XP5 users who need long-lasting power. It’s easy to install and works great for busy people on the go. |
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Pickle Power 2 Pack 4000mAh LIP1708 Battery for Sony PS5 PlayStation 5 DualSense CFI-ZCT1W Wireless Controller |
Pickle Power 2 Pack 4000mAh LIP1708 Battery is perfect for gamers who want longer playtime with their PS5 DualSense controllers. It’s great for anyone looking to upgrade their controller battery with high capacity and safety features. |
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Battery Pack for Recliner Furniture 4000mAh High Capacity Rechargeable |
This battery pack is perfect for anyone with a recliner who wants long-lasting power without cords. It’s easy to use and keeps your furniture running smoothly. |
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Luuzkla 2X 4000mAh NP-45 NP-45A NP-45B NP-45S Battery, 0 Cycle Upgrade Capacity Battery for Arctis Nova Pro Wireless Multi-System Gaming Headset for Xbox, for PlayStation, for Fujifilm INSTAX Mini 90 |
This battery is perfect for gamers and photography fans. It works with gaming headsets and Fujifilm cameras. |
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GOBAT SCP-73LBPS Battery,4000mAh High Capacity Battery Compatible for Kyocera DuraXV Extreme E4810 Verizon Flip Phone |
This GOBAT SCP-73LBPS Battery is perfect for Kyocera DuraXV Extreme E4810 Verizon Flip Phone users who need longer battery life. It’s easy to install and safe to use, making it ideal for anyone looking for reliable power. |
Detailed Reviews
Discover the top 10 4000mAh batteries handpicked for power, safety, and value. From tools to gaming controllers, find the perfect fit for your needs. Read on to upgrade your devices with confidence and ease.
1. KINGTIANLE 2 Pack 4000mAh 20V Lithium Ion Battery Replace Battery for Black and Decker 20 Volt Max Battery LBXR20 LB20 LBX20 LBX4020 Cordless Power Tools Series

The KINGTIANLE 2 Pack 4000mAh 20V Lithium Ion Battery is a powerful replacement for your Black and Decker tools. It offers high capacity and long-lasting performance.
This battery is 2.5 times more powerful than the original. It provides reliable power for extended work. It is compatible with Black and Decker 20V tools.
With safety features like overheat protection and short circuit protection, you can work with peace of mind. The pack includes 2 batteries and a user manual for easy use.
| Pros | Cons |
|---|---|
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Perfect For:
This battery pack is perfect for DIY lovers and professionals who use Black and Decker cordless tools. It’s great for long projects and reliable power needs.
Ready to Purchase?
2. Bonacell 2Pack 4000mAh Batteries and Charger, Replacement for Black and Decker 20V Lithium Battery, Compatible with Black and Decker 20V Battery LBXR20 LBX20 LB20 LBX4020 LBXR20B-2 LST300 LST220

Bonacell 2Pack 4000mAh Batteries and Charger is a perfect replacement for Black and Decker 20V tools. It includes two batteries and a charger, ready for use. This set is compatible with many Black and Decker models.
The batteries are durable and easy to install. They have a shock-absorbing lining to protect against damage. The impact-resistant case ensures long-lasting use.
Safety is a priority with this product. It has multiple protection systems to prevent overcharging and overheating. All products are certified and tested for reliability.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for anyone who uses Black and Decker 20V cordless tools. It’s great for quick replacements and keeping your tools running smoothly.
Ready to Purchase?
3. Upgraded 4000mAh N79 14.4V Battery for Eufy RoboVac 11 11S 30 15C 25C 35C Robot Vacuum Cleaner for Ecovacs Deebot N79 N79S Deebot 500 600 DN622, Goovi F007C D380 Robot Vacuum Cleaner Battery

This upgraded 4000mAh battery is perfect for your robot vacuum. It works with Eufy RoboVac and Ecovacs Deebot models. Enjoy longer cleaning times with this reliable replacement.
The battery offers 120 to 180 minutes of runtime on a full charge. It’s safe to use with built-in protection features. Plus, it lasts for 1000+ recharge cycles.
Get peace of mind with a 30-day refund and 365-day warranty. Contact us anytime for friendly support. Upgrade your vacuum today!
| Pros | Cons |
|---|---|
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Perfect For:
This battery is perfect for robot vacuum owners who want longer cleaning times and reliable performance. It’s ideal for those with Eufy RoboVac or Ecovacs Deebot models, offering up to 2 hours of runtime and 1000+ recharge cycles.
Ready to Purchase?
4. Liter energybattery 3.7V Lipo Battery 4000mAh Rechargeable Lithium ion Polymer Battery 125054 with JST Connector

The Liter Energybattery 3.7V Lipo Battery is a rechargeable lithium-ion polymer battery with a 4000mAh capacity. It comes with a JST connector and is designed for reliable performance.
This battery offers overload protection, short circuit protection, and over-temperature protection. It ensures no leaks and a long service life, making it a cost-effective choice.
Store it at 40-60% charge for long periods. Charge every 3 months to keep it ready. Not for drones, so check size before buying.
| Pros | Cons |
|---|---|
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Perfect For:
This 3.7V 4000mAh LiPo battery is perfect for hobbyists and DIY enthusiasts who need a reliable, rechargeable power source for small electronics. It’s ideal for projects like RC cars, robots, or portable devices, but not for drones.
Ready to Purchase?
5. YTKavq 3.7V 4000mAh Battery 606090 Lithium Polymer Ion Rechargeable Li-ion Li-Po Battery with 2P PH 2.0mm Pitch Connector

The YTKavq 3.7V 4000mAh Battery is a reliable power source. It uses lithium polymer technology. This battery is lightweight and compact.
It has a 2P 2.0mm pitch connector. The cable length is 5cm. It is easy to connect and use.
This battery is ideal for various devices. It provides long-lasting power. Get your YTKavq battery today.
| Pros | Cons |
|---|---|
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Perfect For:
The YTKavq 3.7V 4000mAh Battery is perfect for anyone needing a reliable, rechargeable power source for small devices. It’s great for DIY projects, portable gadgets, or replacing old batteries in compatible devices.
Ready to Purchase?
6. HamnaKhu for Sonim XP5 / XP5700 / XP5800 / XP5s Replacement Battery – 4000mAh High-Capacity – Compatible with BAT-03180-01S

The HamnaKhu Replacement Battery is a high-capacity upgrade for your Sonim phone. It offers 4000mAh of power, giving you longer usage. This battery is professionally made to meet strict quality standards.
It works perfectly with Sonim XP5, XP5700, XP5800, and XP5s models. Built-in safety features protect against overcharging, overheating, and short-circuiting. Each battery is triple-tested for reliability.
Installing it is simple and user-friendly. YouTube tutorials are available for easy reference. Our dedicated support team is ready to help with any questions or issues.
| Pros | Cons |
|---|---|
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Perfect For:
This battery is perfect for Sonim XP5 users who need long-lasting power. It’s easy to install and works great for busy people on the go.
Ready to Purchase?
7. Pickle Power 2 Pack 4000mAh LIP1708 Battery for Sony PS5 PlayStation 5 DualSense CFI-ZCT1W Wireless Controller

Pickle Power offers a 2-pack of 4000mAh batteries for your Sony PS5 DualSense controller. These LIP1708 batteries are compatible with the CFI-ZCT1W model, giving you extended gaming sessions. Say goodbye to frequent charging!
With a high capacity and long battery life, these Grade A+ cells ensure a reliable performance. The first three charges are key to optimizing battery life, so follow the simple instructions for the best results.
The package includes two batteries and a tool set for easy installation. Safety is guaranteed with multiple circuit protections and high-quality construction. Pickle Power provides a 30-day refund and 24-hour customer support, ensuring a satisfying experience.
| Pros | Cons |
|---|---|
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Perfect For:
Pickle Power 2 Pack 4000mAh LIP1708 Battery is perfect for gamers who want longer playtime with their PS5 DualSense controllers. It’s great for anyone looking to upgrade their controller battery with high capacity and safety features.
Ready to Purchase?
8. Battery Pack for Recliner Furniture 4000mAh High Capacity Rechargeable

The Battery Pack for Recliner Furniture is a high-capacity, rechargeable solution. It offers 4000mAh of power, ensuring your recliner stays powered. Mulin Electric designed it for long-lasting use.
This battery pack is easy to use. It fits most recliners. The compact size makes it convenient.
With reliable performance, it keeps your furniture running. The rechargeable design saves you money. Mulin Electric ensures quality and durability.
| Pros | Cons |
|---|---|
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Perfect For:
This battery pack is perfect for anyone with a recliner who wants long-lasting power without cords. It’s easy to use and keeps your furniture running smoothly.
Ready to Purchase?
9. Luuzkla 2X 4000mAh NP-45 NP-45A NP-45B NP-45S Battery, 0 Cycle Upgrade Capacity Battery for Arctis Nova Pro Wireless Multi-System Gaming Headset for Xbox, for PlayStation, for Fujifilm INSTAX Mini 90

The Luuzkla 2X 4000mAh NP-45 Battery is compatible with multiple devices. It works with gaming headsets, cameras, and more. Check your model before buying.
This battery has 0 cycle super capacity, giving you longer standby time. It’s the same size as the original but holds more power. Safe and certified, it protects against over-charging and over-heating.
Enjoy 24-month guaranteed support. If you have issues, contact us anytime. We’ll help you quickly and easily.
| Pros | Cons |
|---|---|
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Perfect For:
This battery is perfect for gamers and photography fans. It works with gaming headsets and Fujifilm cameras.
Ready to Purchase?
10. GOBAT SCP-73LBPS Battery,4000mAh High Capacity Battery Compatible for Kyocera DuraXV Extreme E4810 Verizon Flip Phone

The GOBAT SCP-73LBPS Battery is a high-capacity replacement for your Kyocera DuraXV Extreme E4810 Verizon Flip Phone. It’s fully compatible and easy to install.
This battery offers 4000mAh of power, lasting longer than the original. It’s brand new with 0 cycles and can handle up to 1000 charges.
Built with Grade A cells and a safety chip, it prevents overcharging, overheating, and short circuits. Need help? Contact us anytime for 24-hour support.
| Pros | Cons |
|---|---|
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Perfect For:
This GOBAT SCP-73LBPS Battery is perfect for Kyocera DuraXV Extreme E4810 Verizon Flip Phone users who need longer battery life. It’s easy to install and safe to use, making it ideal for anyone looking for reliable power.
Ready to Purchase?
Buying Guide
4000mAh batteries are powerful and reliable, perfect for long-lasting use. They work great for tools, gadgets, and devices. Let’s explore how to pick the best one for your needs.
Factors to Consider When Buying 4000mAh Batteries
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Compatibility:
Make sure the battery fits your device. Check the model number and connector type before buying. -
Safety Features:
Look for overheat protection, short circuit protection, and overcharge prevention. These keep your devices safe and long-lasting. -
Recharge Cycles:
Choose batteries with long recharge cycles. This means they’ll last longer and save you money over time. -
Durability:
Pick batteries with impact-resistant cases or shock-absorbing linings. They’ll handle wear and tear better. -
Brand and Quality:
Go for trusted brands with certified products. This ensures reliability and performance. -
Warranty and Support:
Check for warranties and customer support. It gives you peace of mind if something goes wrong. -
Price and Value:
Compare prices and features. Find a battery that offers great value without sacrificing quality. -
Size and Weight:
Ensure the battery is compact and lightweight, especially for portable devices. -
Charging Time:
Look for batteries that charge quickly. This saves you time and keeps you powered up faster. -
Environmental Impact:
Choose rechargeable batteries to reduce waste. They’re eco-friendly and cost-effective.
With these tips, you’ll find the perfect 4000mAh battery to upgrade your experience!