Lightweight and shock-absorbing The Li-ion range delivers 430% more working capacity during it's lifetime compared to Ni-Cad and is 40% Lighter than Ni-MH The Li-ion has minimal depletion of power during use or in storage over it's lifetime Features: Foam cell technology Slide on battery - firm holding with multi contacts and shock absorbing pack, will not puncture and remains cool even in heavy use Capacity, battery 3 Ah RoHS Compliant NA Voltage 18 V