Replacement battery fits 7 DeLorme compatible models. Specifications: 2000mAh, 3.7V, Li-Polymer. Compatible with: inReach SE, INCRH20, InReach Explorer, INRCH25, AG-008727-201, Q639603N and 1 more compatible models. Replaces: DeLorme MYT783968. DeLorme replacement battery designed for GPS/Navigator devices. Simple plug-and-play replacement requiring no modification.