Description
The TrustFire 26650 4200mAh 45A Unprotected Battery is a high-drain, rechargeable Li-ion battery designed for high-performance devices, ideal for flashlights or vaping. It delivers consistent power for devices like the TrustFire T21R, ensuring reliable performance during extended use. Its button top design ensures compatibility with a wide range of devices. With a 1-year warranty, this battery suits flashlight enthusiasts, vapers, and outdoor users.
High Capacity and Discharge for Performance
This battery offers a 4200mAh capacity with a 3.7V nominal voltage, providing a watt-hour rating of 15.54Wh. It supports a maximum discharge current of 45A, making it suitable for high-drain applications like powerful flashlights or electronic cigarettes. Its unprotected design lacks a PCB, requiring external battery management for safety, ideal for advanced users.
Durable and Reliable Design
The TrustFire 26650 4200mAh 45A Unprotected Battery features a button top design, ensuring compatibility with devices requiring a protruding positive terminal. Its robust construction supports over 500 charge cycles, retaining up to 75% capacity after 500 cycles. Proper storage at 30-50% charge is recommended to maintain longevity. It measures 26.16mm in diameter and 66mm in length, weighs approximately 72g, and is built for high-drain performance.
Versatile for High-Drain Devices
Designed for advanced users needing reliable power for flashlights, vaping mods, or other high-drain electronics. Users value its ability to power high-lumen flashlights like the TrustFire T21R during long outdoor trips. Its rechargeable design reduces waste, though it requires a compatible charger (not included) and careful handling to avoid short-circuiting.
Key Features and Specs
- Capacity: 4200mAh
- Nominal Voltage: 3.7V
- Max Discharge Current: 45A
- Charge Cycles: Over 500
- Top Design: Button Top
- Dimensions: 26.16mm x 66mm
- Weight: 72g
- Compatibility: High-Drain Devices
- Warranty: 1 Year
Package Contents
- TrustFire 26650 4200mAh 45A Unprotected Button Top Battery
- User Manual
Note: A compatible charger is not included; you will need to use a suitable charger for 26650 batteries.

