Product overview
The GEPRC Storm IRT21700-40T 6S1P 4000mAh Li-Ion Battery supplies power for 6-7.5 inch long-range FPV aircraft. Its Samsung 21700-40t lithium cells use a 6S 1P arrangement, with a specified voltage of 22.2V, capacity of 4000mAh and discharge rate of 15C. For installation planning, the pack measures 73*65*44mm and weighs 446.3g, with 12AWG silicone wire and an XT60 connector. The supplied configuration consists of one battery pack, making this a power component rather than a flight platform or airframe kit.
Operation is limited to an ambient temperature of 0-45 degrees Celsius, with an 18.0V minimum pack discharge voltage and a 3V minimum per cell after discharge. Charging is recommended at 1C and must not exceed 2C; fully charged cells must remain at or below 4.10V. After use, the battery must cool below 45 degrees Celsius before charging. Long-term storage calls for 3.4-3.7V per cell and charge/discharge activation every two months. Charging requires supervision, ventilation and separation from flammable materials; swelling or leakage requires immediate withdrawal from use.
Specifications
| Specification | Value & conditions |
|---|---|
| Product | GEPRC Storm IRT21700-40T 6S1P 4000mAh Li-Ion Battery |
| Battery cells | Samsung lithium battery 21700-40t |
| Voltage | 22.2V |
| Capacity | 4000mAh |
| Discharge rate | 15C |
| Cell combination | 6S 1P |
| Size | 73*65*44mm |
| Weight | 446.3g |
| Silicone wire | 12AWG |
| Connector | XT60 |
| Minimum discharge voltage | 18.0V |
| Suitable application | 6-7.5 inch long-range FPV |
| Supplied configuration | 1 x IRT21700-40T 6S1P 4000mAh Li-Ion BatteryIncluded equipment. |
| Initial charging | Charge the battery before use.Before use. |
| Recommended charging current | 1CCharging. |
| Maximum charging current | Do not exceed 2C.Charging. |
| Maximum cell voltage | Not higher than 4.10VFully charged, per cell. |
| Minimum cell voltage | Not lower than 3VAfter discharge, per cell. |
| Operating temperature | 0-45 degrees CelsiusDuring use. |
| Temperature before recharging | Wait until battery temperature is lower than 45 degrees Celsius.Charging immediately after use. |
| Storage voltage | 3.4-3.7VLong-term storage, per cell. |
| Maintenance interval | Perform charge and discharge activation every 2 months.Long-term storage. |
| Charging supervision and environment | Charge under supervision, away from flammable and explosive items, with ventilation and heat dissipation.Charging. |
| Environmental restrictions | Keep away from flames, fire sources, liquids and humid environments. |
| Damaged battery restriction | Stop use and discard immediately.Battery exhibits swelling or leakage. |
| Post-collision inspection | Remove and inspect for damage or leakage; check power cord and balance connector connections.Following a collision during use. |
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