US 4V 6.0Ah Rechargeable lead acid storage battery cell 6000mAh for LED light bulb and electronic scale balance maintenance free - AliExpress
LiPo Battery 6000mAh + Reliable China Manufacturer
Amazon.com: Rechargeable Lithium Ion Battery Pack - VIDAR 3.7V 6000mAh High Capacity Li-ion Battery Pack with JST PH2.54/2P Plug-in(Customizable) for Electronics,Toys,Lighting,Equipment : Health & Household