Specification Battery Type: 3S 18650 Lithium-ion / Li-ion battery packNominal Voltage: 11.1V (fully charged 12.6V)Discharge Current: 12A (continuous)Charge Current: Standard charging up to 12ABalance Function: Built-in balance to ensure uniform charging of all cellsProtection Features:Overcharge protectionOver-discharge protectionOvercurrent protectionShort-circuit protectionOperating Voltage Range: 2.5V–4.25V per cellSize: Compact, lightweight PCB for DIY battery packsApplications: Power banks, LED lights, e-bikes, solar packs, DIY electronicsInstallation: Easy solder pad connection for 3S battery packApplications:18650 lithium-ion battery pack protectionLED lighting systems & emergency lampsDIY power banks & solar storageSmall e-bikes and scooter battery packsElectronic projects requiring stable 12V supply