Battery for Nikon EN-EL20 1 A Blackmagic Pocket J1 J-1 J2 J3 S1 V3 V-3 by PATONA, 800 mAh, 7.2 volts. High safety due to integrated heat and overcharge protection. 100% compatible with the original EN-EL20. The battery is suitable for the following digital camera models: Nikon 1 A Blackmagic Pocket, J1, J-1, J2, J3, S1, V3, V-3. Compatible original battery designations: Nikon ENEL20, EN-EL20, ENEL20a, EN-EL20a. Additional information: The battery is equipped with brand cells of quality class A, which have an extremely high density. This contributes to very long battery runtimes. Maximum safety is ensured by continuous quality controls at the production facilities by our PATONA team members. The original charger can be used to charge the battery. This battery is a high-quality replacement product from the brand PATONA - not an original.