With its 6700mAh large battery capacity, Tapo A100 extends the usage time up to 180 days of your Tapo battery-powered cameras. It is rechargeable with around 5 hours of full charge with a USB charging cable. It also provides 6-way protection which safeguards your batter from being over-charged, short- circuited, over-heated and more. Made of premium lithium-ion cells, Tapo A100 offers fully usable capacity and a longer life without memory effect. Compatible with Tapo C420, Tapo C400 and more products like Tapo video doorbells will be supported in the future. Product Features Large Battery CapacityTapo A100 has 6700mAh large capacity which extends the usage time to up to 180 days of your Tapo battery-powered cameras Compatible with Tapo C420 & C400Works with Tapo C420, Tapo C400. More products will be supported in the future. Secure and Fast ChargingProtect your battery with from being over-charged, short-circuited, over-heated, and more. Get your battery fully charged in around 5 hours with a USB charging cable. Quick Release & Replacement Easily release or install the battery within minutes. No Memory EffectMade of premium lithium-ion cells, Tapo A100 offers fully usable capacity and a longer life without memory effect.