HKNN4013 High Capacity Lithium Ion Battery 1800 mAh, 3.7V for Motorola CLP or DLR Radios. (this battery requires the larger, high capacity door (HKLN4440) for CLP radios, which may be purchased to use this battery.) With this CLP or DLR high capacity lithium ion battery, you can get as much as 14 hours from a full charge. Using a high capacity lithium ion battery brings you peace of mind when your CLP or DLR radios end up working longer hours. When an event goes into overtime, so do your CLP and DLR radios and their high capacity lithium ion batteries.