Replacement battery for the Frsky Tandem X20/X20s/X18/X18S Radios.
Specifications:
- Connecting mode 2S1P
- Nominal capacity 4000mAh @ 0.2C Discharge
- Minimum capacity 3870mAh @ 0.2C Discharge
- Nominal voltage 7.40V(Cell 3.70V)
- Full Voltage 8.30V(Cell 4.15~4.20V
- PACK Voltage(As of shipment) 7.50~7.70V(Cell 3.75~3.85V)
- Internal Impedance ≤83mΩ
- Dimensions MAX(T*W*H)18.9* 41 * 82.5mm
- Weight 150g (APPROX)
- Standard Discharge current Constant current:0.8A,end voltage:6.0V
- Max Constant Discharge current Constant current 2.0A,end voltage:6.0V
- Charging time Standard Charging:7.5 hours(Ref.) Rapid charge:1.5 hours(Ref.)
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