GEPRC Storm IRT21700-40T 6S1P 4000mAh Li-Ion Battery

The GEPRC Storm IRT21700-40T 6S1P 4000mAh Li-Ion battery is a compact and powerful lithium-ion battery designed for FPV drones that require a stable energy source with a good balance between weight and flight duration. With a 6S1P configuration, this battery provides a 22.2V voltage and a 4000mAh capacity, making it ideal for medium-sized drones and long-range flights where high maneuverability and stable operation are critical. The utilized IRT21700 cells guarantee high energy density and reliability, allowing the battery to perform efficiently even under heavy loads. This battery features high stability and safety, providing optimal performance for pilots looking for a reliable energy source for agile and fast flights while maintaining an excellent power-to-weight ratio.

Battery Type: Li-Ion

Cells: Samsung 21700-40T

Nominal Voltage: 22.2V

Capacity: 4000mAh

Discharge Rate: 15C

Configuration: 6S1P

Dimensions: 73 * 65 * 44 mm

Weight: 446.3 g

Silicone Wire: 12AWG

Connector: XT60

Minimum Discharge Voltage: 18.0V

Application: Suitable for 6-7.5 inch long-range FPV drones

Package Includes: 1 x IRT21700-40T 6S1P 4000mAh Li-Ion Battery

Instructions: Charge the battery before use; Recommended charge current is 1C; Keep away from flammable and explosive objects during charging; Discontinue use and dispose of the battery immediately if swelling or leakage occurs; Do not short-circuit the positive and negative poles; Do not disassemble or modify the battery without authorization.

Warnings: Use a professional charger designed specifically for Li-Ion batteries; Never charge the battery unattended; Do not exceed a 2C charge current; Keep away from flammable and explosive materials during charging; Ensure the charging area is well-ventilated with proper heat dissipation; Overcharging is prohibited (max voltage per cell must not exceed 4.10V); Over-discharging is prohibited (voltage per cell after discharge should not drop below 3.0V); Keep away from open flames and fire sources; Keep away from liquids and humid environments; Reverse polarity protection (never short-circuit the positive and negative poles); In the event of a crash, remove the battery immediately to check for damage, leaks, and proper connection of the power cord and balance lead; Use the battery within a temperature range of 0–45°C; Allow the battery temperature to drop below 45°C before recharging; For long-term storage, discharge the battery to 3.4–3.7V per cell and perform a charge-discharge cycle every 2 months to maintain operational stability.