Sony NP-FP70 Battery by Amstron is designed for use with Sony DCR-HC18/ 20/ 30/ 40/ 65/ 85. Amstron Camcorder batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility, and safety to exceed original equipment manufacturer specifications. • Chemistry: Li-Ion • Ratings 7.2 Volts 1600mAh Capacity. (4hrs.) • Warranty: 4 Years