Product overview
The GEPRC Storm 4S 1550mAh 120C Lipo Battery supplies power for freestyle and racing quadcopters, with toys and boats also listed among its applications. Model number GEP15504S120A identifies a LiPo pack with a 4S1P cell configuration, 1550mAh capacity, 14.8V nominal voltage and 22.94Wh energy. Its physical construction includes a flat exterior, a smooth surface and welded power cable connections. The battery measures 33 × 38 × 76 mm and weighs 178.0g. Supply consists of one GEPRC Storm 4S1550mAh120C battery.
The pack has XT60 connectors for both charging and discharge, with a maximum discharge rating of 120C. Its recommended charging current is 1C; additional charging guidance recommends 1-1.5C and describes that range as having essentially no effect on battery service life. The maximum charging current is 3C. Recommended chargers are the HOTA D6 PRO, ISDT 608AC and ToolkitRC M6D. The LiPo full-charge voltage must not exceed 4.2V per cell. Charging must remain attended and take place in a cool, ventilated environment at 0-45°C.
After use, the battery must cool below 45°C before charging. During discharge, cell voltage must remain at or above 3.7V; over-discharge can damage the battery and cause swelling. Long-term storage requires a voltage of 3.80V-3.85V per cell, and a charge-discharge activation must be performed within 3 months to maintain battery stability. Disassembly, reassembly and wiring changes are prohibited because of short-circuit and fire risk. Following a collision, remove the battery and check both the pack and connector for damage.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and product | GEPRC Storm 4S 1550mAh 120C Lipo Battery |
| Model | Storm 4S1550mAh120C |
| Model number | GEP15504S120A |
| Intended use | Freestyle and racing quadcopters |
| Capacity | 1550mAh |
| Cell configuration | 4S1P |
| Nominal voltage | 14.8V |
| Battery chemistry | LiPo |
| Energy | 22.94Wh |
| Dimensions | 33*38*76(mm) |
| Weight | 178.0g |
| Maximum discharge rating | 120C |
| Charge connector | XT60 |
| Discharge connector | XT60 |
| Recommended charging current | 1C |
| Maximum charging current | 3C |
| Additional charging-rate guidance | Supports up to 3C; recommends 1-1.5C, described as having essentially no effect on battery service life. |
| Recommended chargers | HOTA D6 PRO, ISDT 608AC and ToolkitRC M6D |
| Charging-voltage comparison | High-voltage battery maximum charging voltage: 4.35V; ordinary battery: 4.2V.High-voltage versus ordinary battery charging. |
| Applications | Toys, boats and quadcopters |
| Supplied configuration | 1 × GEPRC Storm 4S1550mAh120C battery |
| Exterior and cable construction | Flat exterior, smooth surface and welded power cable connections |
| Maximum full-charge voltage per cell | Not more than 4.2V per cellLiPo cells during charging. |
| Minimum discharge voltage per cell | Must not fall below 3.7V per cell; over-discharge can cause damage and swelling.LiPo and Li-HV cells during discharge. |
| Storage voltage | 3.80V-3.85V per cellLong-term storage. |
| Maintenance cycle | Perform a charge-discharge activation within 3 months. |
| Charging temperature | 0-45°CCharging in a cool, ventilated environment. |
| Post-use cooling requirement | Allow the battery to cool below 45°C before charging.Charging after use. |
| Charging supervision | Do not charge unattended.During charging. |
| Modification restriction | Do not disassemble, reassemble or change the wiring because of short-circuit and fire risk. |
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