Some interesting claims:
Duracell claims that you’ll get the same performance as original brand batteries.
Each battery is guaranteed ‘no memory effect’
Whatever your power needs, it will last longer with Duracell. Duracell camera and camcorder batteries deliver equivalent performance to the manufacturers original and are supplied with a 3 year limited warranty.
5D3 battery is £15 somewhat cheaper than OEM.
Website: https://www.duracelldirect.co.uk/m/index.html
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