The TrustFire IMR 21700 Battery is a high drain rechargeable battery designed for high-drain devices.
With a 4000mAh nominal capacity, the TrustFire IMR 21700 battery will provide power, longevity and the button-top design will align to your device’s safety needs.
The TrustFire 21700 Rechargeable Li-ion Battery (4000mAh, 3.7V) equals the power of 2400 AA batteries.

FEATURES

• Rechargeable Li-Ion Battery
• No Memory Effect
• Long Life Battery
• Rechargeable 1000 Times
• Low Self Discharge
• Unprotected
• Charge Time Approximately 5-7 hours dependent on quality of charger
• 21700 Designation, model
• 3.7 Volts
• 4,000 mAh
• 40A
• 14.8Wh
• Button Top
• 70.7mm Length
• 21.5mm Diameter
• 75 grams