1. Nikon EN-EL15a Original Battery

The EN-EL15a is a rechargeable Li-ion battery that powers select Nikon DSLR cameras. These rechargeable batteries provide extended life and consistent power, even in colder conditions. The battery uses the MH-25a battery charger.
2. Nikon EN-EL18a Original Battery

The Nikon D4S can take 3020 images on a single charge. Given the relatively demanding energy usage of the CIPA procedures, this rated number should be achievable or be surpassed in most practical situations.As such it is an indispensable camera accessory. Below are some additional questions and answers concerning some particular aspects of the battery pack and Lithium-Ion power units more generally.
3. Canon LP-E4N Original Battery (1D X)

The LP-E4N Battery Pack from Canon is a rechargeable lithium-ion battery that is compatible with Select Canon cameras. The LP–E4N operates at a voltage of 11.1V and has a capacity of 2450mAh. It can be charged from a standard electrical outlet via the Canon LC-E4 charger
4. Nikon EN-EL18c Original Battery

The Nikon EN-EL 18c Rechargeable Battery has a capacity of 2500mAh, an output of 10.8V, and 27Wh. Also, the battery can charge within the MH-26a or MH-26aAK chargers, and it can be used as a replacement battery for the Nikon D5, D4S, and the D4.
5. Leica BP-SCL2 Battery

The 7.4V, 1800mAh BP-SCL2 Lithium-Ion Battery Pack from Leica is a backup or replacement rechargeable battery for the Leica M (Type 240) digital camera. The battery has lithium-ion chemistry and features no memory effect, meaning its full capacity will continue to be usable after each charge cycle.
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