Odec Bosch Tools 18V Battery for BAT025 BAT026 BAT181 BAT160 BAT189 BAT180 52318 53518 3860K 1644K 3860CK 1659RK 3860CRK Battery Type: Ni-MH / Voltage: 18V / Capacity: 4000mAh / Color: Black & Red Bosch 18V battery replacement for GSB 18 VE-2, GDS 18 V-HT, GSR 18 VE-2, PSB 18VE, PSR 18VE 4000mAh ultra high capacity is by far the stronger and longer lasting than the OEM battery CE and FCC certified, 100% compatible with original manufacturer equipment and chargers Ni-MH eco-friendly battery, no memory effect, can hold more energy than same size Ni-Cd battery