Specification:BrandOpus BT-C900Compatible9V batteryCellular charge quantity4Input voltageDC 12V AC 100 ~ 240V 50/60 HZOutput voltageCc 12 V, 1.5AFast charging functionYesLCD screenYesProduct size12 x 9.5 x 3 cm / 4.72 x 3.73 x 1.18 inchWeight0.452 kgFeatures:It is the only type of smart charger for 9V rechargeable batteriesThe information related to the battery can be displayed on the LCD for each slot, respectively: V, mA, mAh, h: mm (TIME) and IR (unit in ohm).For NiMH or NiCD battery charging, - dv or 0dv termination is adopted, the charger can handle 7.2V, 8.4V and 9.6V batteries.The charger also includes Overheat Detection to protect the rechargeable batteries and the charger from overheatingOperating temperature: 0-40 degrees CPower adapter: DC 12 V, 100 A (output), 240-V, 50 / 60Hz (input)BT-C900 single smart charger for 9V batteries:Opus BT-C900 is the only type of smart charger for 9V rechargeable batteries, such as NiMH, NiCd, 7.2V to 9.6V Li-ion with LCD display. The BT-C900 charger handles 4 batteries at the same time with each battery independent of the operating mode or screen content at the same time. Different working modes are at the users choice: charging, unloading, testing, updating, and quick test (for resistant internal measurements). The charging current is programmable from 50mA to 200mA with 25mA per increment step. The discharge current is automatically adjusted to the same as the selected load current.Package included:1 xOpus charger1 x US/EU plug1