SHIMANO INTERNAL BATTERY BT-DN300
Chemistry Li-lon
Rated voltage (V) 7.4
Rated Capacity (Ah) 0.5
Rated Capacity (Wh) 3.7
Compatible charger RD-R9250, RD-R8150, RD-R7150, RD-RX825
Master unit, Firmware update by E-TUBE PROJECT
SD300 port (pcs) 3
Average weight (g) 52