74Wh 7.4V 10000mAh Lithium Battery For Portable Devices Small Pumps Fans

 Key Features

• High-Capacity Power: 10000mAh nominal capacity at 7.4V (8.4V fully charged), delivering 74Wh of energy for extended device runtime.
• Premium 21700 Cells: Utilizes high-quality 21700 lithium-ion cells, known for their high energy density and reliable performance.
• Integrated BMS Protection: Built-in safety circuit safeguards against overcharge, over-discharge, overcurrent, and short circuits for worry-free use.
• Compact Cylindrical Design: Sleek, single-column form factor ideal for devices with limited space, featuring a durable blue PVC heat shrink casing.
• Plug-and-Play Connector: Pre-fitted with a standard 2-pin white connector for easy installation (custom connectors available on request).
• Long Cycle Life: Maintains consistent performance over hundreds of charge-discharge cycles with proper care.
• No Memory Effect: Recharge at any level without reducing overall capacity, ensuring reliable power every time.

Specifications

 Common Applications

• Portable speakers, subwoofers, and audio equipment
• LED lighting systems, outdoor strip lights, and solar lights
• Robotics, automation projects, and RC vehicles
• Small pumps, fans, and portable power tools
• Medical devices and monitoring equipment
• Backup power supplies and DIY projects

 Safety & Usage Tips

1. Use only a dedicated 8.4V lithium-ion battery charger with matching polarity to avoid damage.
2. Do not expose the battery pack to water, high humidity, or extreme temperatures outside the specified ranges.
3. Keep away from metal objects that could short-circuit the terminals.
4. If the pack swells, leaks, or emits an unusual smell, discontinue use immediately.
5. For long-term storage, keep the pack in a cool, dry place with a 40-60% charge level.