Technical Specifications: Parameter Value Nominal Voltage 14.8V Capacity 2600mAh Battery Cell Type 18650 Li-ion Configuration 4S1P Energy ≈ 38.5Wh Max Continuous Discharge 2–3A (customizable) Protection Circuit Included (PCM / BMS) Dimensions (L×W×H) 74mm × 67mm × 20mm Weight 170g Operating Temperature -20°C ~ +60°C Storage Temperature 0°C ~ 40°C