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Don't miss that once-in-a-lifetime shot on account of a dead battery.
This CTA Digital battery replaces the Nikon EN-EL3 digital camera battery. This battery was designed to meet or exceed OEM specifications and is 100-percent compatible to the original equipment chargers.
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Specifications:
Chemistry: lithium ion Voltage: 7.4V mAh (capacity): 1500mAh Run time (shooting time): up to 1.5 hrs
For use with the following Nikon digital cameras:
D100/D100 SLR/D70 and all similar models

Need a new battery, or just an extra one, for your digital camera? The CTA rechargeable Digital battery is the answer to your battery conundrum.
This CTA Digital battery replaces the Nikon EN-EL2 digital camera battery. The battery was designed to meet or exceed OEM specifications and is 100 compatible to the original equipment chargers.
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Specifications: Chemistry: Lithium Ion Voltage: 3.7V mAh (Capacity): 1000mAh Run Time (Shooting Time):Up to 1.2 hrs
Memory Effect: No
Warranty: 3 years
For use with Nikon Coolpix 2500/3500/SQ and all similar models.

This CTA Digital battery replaces the Canon BP-522 digital camcorder battery. This high capacity Lithium-Ion battery pack doubles the running time when compared to the BP-511 It was designed to meet or exceed OEM specifications and is 100-percent compatible to the original equipment chargers.

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Specifications:

Chemistry: lithium ion
Voltage: 7.4V
mAh (capacity): 2600mAh
Run time: up to 5 hours shooting time
Memory effect: no

For use with the following Canon camcorder models:

ZR10/ZR20/ZR25mc/ZR30mc/ZR40/ZR45mc/ZR50mc/ZR60/ZR65mc/ZR70mc/ZR80/ZR85/ZR90/Optura PI/Optura 10/Optura 20/Optura 100mc/Optura 200mc/MV30/MV30i/MV300/MV300i/MV400/MV400i/
MV430/MV430i/MV450/MV450i/MV500/MV500i/MV530i/MV550i/MV600i/MV630i/MV650i/MVX100i/MVX150i/
MVX1i/MVX2i

Don't miss out on those special moments simply because the battery ran out.
This CTA digital battery replaces the Canon BP-511 digital camera and camcorder battery. Designed to meet or exceed OEM specifications, it is 100-percent compatible to the original equipment chargers.
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Specifications:
Chemistry: Lithium ion Voltage: 7.4V mAh (capacity): 1500mAh Run time (shooting time): Up to 2.5 hrs
Compatible camera models:
EOS D30/D60 Powershot G1/G2/G3/G5/Pro90 IS/Pro1 EOS-10/EOS-10D/EOS-10Ds/EOS Digital Rebel