Description
The ThruNite 21700 5000mAh Proprietary Battery is a high-capacity, rechargeable Li-ion battery designed for ThruNite high-drain flashlights, ideal for outdoor activities or tactical use. It powers models like the ThruNite TT20 and T2, providing long-lasting performance during camping or emergencies. Its built-in protection ensures safety, and it comes with a 1-year warranty, making it suitable for flashlight enthusiasts, campers, and tactical users.
High Capacity for Long-Lasting Power
This battery offers a 5000mAh capacity with a 3.7V nominal voltage, providing a watt-hour rating of 18.5Wh. It’s designed for high-drain devices, delivering consistent power for ThruNite flashlights like the TT20 (up to 2528 lumens) and T2 (up to 4000 lumens), with runtimes extending to several hours on lower modes. It supports over 500 charge cycles, retaining 75% capacity after 500 cycles, though proper storage at 30-50% charge is recommended to maintain longevity. Its proprietary design limits compatibility with non-ThruNite devices.
Built-In Protection for Safety
The battery features a protected button-top design with a built-in circuit to prevent overcharging, over-discharging, short-circuiting, and overheating, ensuring safe operation. It has a unique structural design for better impact resistance, with three sets of over-heat protection. The battery measures 74.8mm in length and 21.5mm in diameter, weighs approximately 70g, and is tailored for ThruNite TT20 and T2 models.
Designed for Outdoor and Tactical Use
Optimized for ThruNite flashlights, this battery supports high-performance needs in outdoor and tactical scenarios. It’s ideal for camping, hiking, or tactical use with ThruNite devices, offering dependable power for critical situations.
Key Features and Specs
- Type: Rechargeable 21700 Li-Ion Battery (Proprietary, Protected)
- Capacity: 5000mAh
- Nominal Voltage: 3.7V
- Watt-Hour Rating: 18.5Wh
- Charge Cycles: Over 500 (Retains 75% Capacity After 500 Cycles)
- Protection: Built-In Circuit (Overcharge, Over-Discharge, Short-Circuit, Over-Heat)
- Top Design: Button Top (Proprietary)
- Dimensions: 74.8mm (Length) x 21.5mm (Diameter)
- Weight: Approximately 70g
- Compatibility: ThruNite TT20, T2 (Not Compatible with TN42 V2 or Standard 21700 Devices)
- Warranty: 1 Year
Package Contents
- ThruNite 21700 5000mAh Proprietary Battery
- User Manual
Note: A compatible charger is not included; you will need to use a suitable charger for 21700 batteries, such as one provided with ThruNite flashlights like the TT20 or T2.
