5000mAh USB C Batteries 3.6V 21700 Rechargeable Li Ion Battery
3.6V 21700 5000mAh USB-C 10A Type C Charging Cylindrical Tracking Camera Flashlight Lithium Ion Batteries
- High Capacity Battery: 5000mAh provides long-lasting power for various devices
- USB-C Charging: Quick and convenient charging via modern USB-C port
- Type C Compatibility: Supports fast charging across multiple devices
- Lithium-Ion Battery: Ensures safety and reliability for extended use
- Trackable Flashlight: Ideal for outdoor activities and emergency situations
The standard size fits various flashlights and lighting devices. Featuring USB-C for quick charging and built-in explosion-proof protection, it combines safety and practicality. With its large capacity and standard size, it meets the needs of tactical and outdoor users with high performance requirements.
| Model | 21700 USB-C Li-ion Battery |
| Capacity | 5000mAh |
| Voltage | 3.6V |
| Max Continuous Discharge Current | 10A |
| Standard Charging Voltage | 4.2±0.03V |
| Standard Charging Current | 2500mA |
| Operating Temperature | -20°C to 60°C |
| Storage Temperature | -20°C to 50°C (Best at 25±5°C) |
| Cycle Life | 800+ |
| Protected | Yes |
| Positive Terminal | Button Top |
| Dimensions | Φ21.5±0.3 x H75.5±0.5 mm |
| Net Weight | 73g |
Ideal for EDC/tactical/diving flashlights, bike lights, outdoor weather station, and other 21700-powered gear.

Established in 2006, XTAR is a leading provider of high-quality lithium-ion batteries, smart chargers, and LED flashlights. Based in Shenzhen, we integrate R&D, production, and sales to deliver innovative power solutions. With over 20 years of expertise, XTAR is your trusted partner for reliable energy products, offering customized solutions for OEM and wholesale clients.
We operate our own factory with efficient production processes ensuring precise production cycles. Manufacturing under our original brand guarantees product consistency and provides convenient maintenance and after-sales service. XTAR integrates the brand values of safety, reliability, and innovation into every product.



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