Nikon confirms some counterfeit EN-EL15b batteries were sold by authorized retailers: Digital Photography Review
Amazon.com : Nikon Battery and MH-70 Charging Kit for Coolpix 2100/2200/3100/3200/4100/4600/5600/7600 Digital Cameras : Camera Power Adapters : Camera & Photo
Nikon coolpix battery charging problem - YouTube
Nikon recalling some rechargeable batteries over electrical problems - The Verge
Nikon batteries
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