Product overview
The GEPRC Storm IRT21700-40T 6S2P 8000mAh Li-Ion Battery supplies power for 7-9 inch long-range FPV aircraft. Its Samsung 21700-40t lithium cells use a 6S 2P arrangement, with a specified voltage of 22.2V, capacity of 8000mAh and discharge rate of 15C. Installation planning must accommodate a 146*65*44mm pack weighing 886.5g, together with its 12AWG silicone wire and XT60 connector. The supplied configuration consists of one battery pack. The minimum discharge voltage is 18.0V, with an additional per-cell floor of 3V after discharge.
Charging and storage requirements are material operating constraints for this pack. Charge before use, use the recommended 1C charging current and never exceed 2C; fully charged cell voltage must remain at or below 4.10V. Operate within 0-45 degrees Celsius, and let a recently used battery cool below 45 degrees Celsius before charging. Charging requires supervision, ventilation and separation from flammable materials. For long-term storage, discharge each cell to 3.4-3.7V and perform charge and discharge activation every 2 months. Stop using a pack that bulges or leaks.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | GEPRC Storm IRT21700-40T 6S2P 8000mAh Li-Ion Battery |
| Battery cells | Samsung lithium battery 21700-40t |
| Voltage | 22.2V |
| Capacity | 8000mAh |
| Discharge rate | 15C |
| Cell combination | 6S 2P |
| Size | 146*65*44mm |
| Weight | 886.5g |
| Silicone wire | 12AWG |
| Connector | XT60 |
| Minimum discharge voltage | 18.0V |
| Intended application | 7-9 inch long-range FPV |
| Included equipment | 1 x IRT21700-40T 6S2P 8000mAh Li-Ion Battery |
| Initial charging | Charge the battery before use.Before first use. |
| Recommended charging current | 1CDuring charging. |
| Charging current limit | Do not exceed 2C.During charging. |
| Maximum cell voltage | Not higher than 4.10VWhen fully charged; per cell. |
| Minimum cell voltage | Not lower than 3VAfter discharge; per cell. |
| Operating temperature | 0-45 degrees CelsiusDuring use. |
| Temperature before recharging | Battery temperature lower than 45 degrees CelsiusBefore charging a battery that has just been used. |
| Storage voltage | 3.4-3.7VFor long-term storage; per cell. |
| Maintenance interval | Charge and discharge activation every 2 monthsDuring long-term storage. |
| Charging supervision and environment | Attend charging; keep away from flammable and explosive items and provide ventilation and heat dissipation.During charging. |
| Damaged battery restriction | Stop use and discard immediately.If the battery bulges or leaks. |
| Post-collision inspection | Remove the battery and inspect for damage, leakage, and normal power cord and balance connector connections.Following a collision during use. |
| Environmental restrictions | Keep away from flames, fire sources, liquids and humid environments. |
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