18 Month Warranty | Highest Quality Cells & Components | 7.5 Volts | 2000mAH | Li-ION | Fits & Replaces: HYT TC610, TC620, TC610P, BL2001 | Provides excellent discharge characteristics | High impact ABS and Polycarbonate plastic polymers for ruggedness | Comprehensive testing including high altitude performance, vibration, mechanical shock, thermal cycling, external short circuit, and overcharge test simulations | Guaranteed to maintain 80% of its rated capacity for 18 Months from date of shipment | 30 Day Money Back Guarantee