The RBP10 Rechargeable Battery for Pacific Laser Systems Rotary Lasers is a powerful power source that is used for the PLS H2, HV2R, and HV2G rotary lasers. Providing a battery life up to 60 hours, this NiMH rechargeable battery tray ensures there is no downtime when using the laser level. As an addition, the RBP10 battery only weighs 1.8 pounds and comes with a size of 6” L x 3.6” W x 2” H.