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Specially designed for the EOS-5D, the BG-E4 adaptor has a special handle that can contain 2 rechargeable batteries from Canon, model number BP-511A or 6 AA batteries. The BG-E4 is a vertical hand held power supply that gives access to all essential functions, with usage that is the same as in horizontal mode. An optional strap, the E-1 equally exists for an easier hand position. The BG-E4 battery adaptor is an indispensable complement to the optimisation of the battery life of your EOS-5D.
