・Rapid charger for Li-Ion battery pack, BP-283/BP-284/BP-290/BP-294. ・LED charge indicator ・Using with the Reader Software, RS-BC228, various battery information can be observed. Specifications Charge Current 1.0 A Power Supply Voltage 12.0 - 16.0 V DC Operating temperature range+15℃～+40℃ Charging Time Approx. 2.5 hours for BP-290 *requires BC123SV AC adaptor*