MPF Products&reg; 2000mAh GPS0320MG051, ENCPT505068HT Battery Replacement Compatible with Skygolf SkyCaddie SGXw, SkyCaddie SGX-W, SkyCaddie SGX GPS Range Finders Replacement for the following battery models: GPS0320MG051, ENCPT505068HT. Compatible with the following Skygolf models: SkyCaddie SGXw, SkyCaddie SGX-W, SkyCaddie SGX GPS Range Finders. 3.7V 2000mAh 7.4Wh Lithium-Polymer Battery. 1 Year Replacement Warranty (When Purchased From MPF Products). MPF Products is a Registered Trademark.