6700mAh Large Capacity-Extends the usage time(up to 180 days)† of your Tapo battery-powered cameras and video doorbells. Compatible with Tapo Cameras and Video Doorbells-Works with Tapo C420, Tapo C400, Tapo D230. More products will be supported in the future. Quick Release & Replacement-Easily release or install the battery within minutes. Secure Charging with 6-Way Protection-Safeguards your battery from being over-charged, short-circuited, over-heated, and more. 5-Hour Charging Time-Get your battery fully charged in around 5 hours with a USB charging cable. No Memory Effect-Made of premium lithium ion cells, Tapo A100 offers fully usable capacity and a longer life without memory effect.