Kastar NP-F970 4-Pack (7.4V 8700mAh) + CH04 LCD Dual Fast Charger — Compatible with Sony DCR-TRV420 DCR-TRV49 DCR-TRV5 DCR-TRV510 DCR-TRV520 DCR-TRV525 DCR-TRV58 DCR-TRV620, BC-VM10 BC-VM50 BC-V615

Replacement Kastar lithium-ion battery pack engineered for extended runtime. Battery Type: Lithium-Ion; Battery Voltage: 7.4V; Battery Capacity: 8700mAh. Includes the Kastar CH04 LCD Dual Fast Charger with 110-240V worldwide input voltage for use in multiple regions. The charger accepts batteries from 6.8V - 16.8V of any capacity and can charge two batteries simultaneously by swapping plates to suit most digital battery formats. Intelligent control is handled by a Control MCU that automatically detects battery voltage, manages an intelligent charging process and prevents overcharge. The charger’s LCD reports charging status and battery capacity; charging follows CC/CV protocol for dependable, efficient performance and incorporates pre-charging plus li-ion battery 0V activation to help extend battery life.