Replacement battery fits 9 YUT compatible models. Specifications: 5200mAh, 10.8V, Li-ion. Compatible with: SF620, SF650, SF760, CTS-22A, CTS-1002, Sitesecan 250 and 3 more compatible models. Replaces: YUT DC-19, YUT 52MJ000089. YUT replacement battery designed for Equipment/Survey/Test Charger devices. Engineered for consistent power output across many charge cycles.