Sony NP-BK1 Type K Rechargeable Li-Ion Battery

The Sony NP-BK1 (Type K) is a rechargeable lithium-ion battery commonly used in select older Sony Cyber-shot and Webbie cameras (such as the DSC-S750, S780, W180, and W370). It typically features a 3.6V output and a capacity of 970mAh

Specs

• Chemistry: Lithium-ion
• Output Voltage: 3.6V (Average)
• Capacity: 970mAh (Original Standard)
• Dimensions: ~34.5 × 7.1 × 40.0 mm
• Reusability: Rechargeable