4S 4A 2pin lithium battery charger

The 4S 4A Lithium Battery Charger is designed for recharging batteries made up of four cells connected in series (4S configuration). Featuring a Type-C input, it enables convenient charging directly from a computer or wall adapter using a compatible cable. Key Features Input Voltage: DC 3-6V(Recommend DC 3.7V 5V) Charging voltage : 16.8V DC Input Current: 4A Charging Current: 1.12A Technical Specifications

• Switching frequency up to 1MHz
• Quasi-constant voltage (Quasi-CV) mode compensates for voltage drops caused by battery internal resistance and wiring resistance
• Automatic recharge protection activates if battery voltage drops below input voltage or in case of a short circuit
• Excellent compatibility with input power sources that have limited current output
• Overvoltage protection for the battery

LED Indicators:

• "CR" LED signals charging in progress
• "OK" LED indicates the battery is fully charged or in constant voltage mode

Operating Temperature Range: -40°C to +85°C Dimensions: 39mm × 18mm × 6.3mm Weight: 5 grams Application PDA devices, MP3 and MP4 players, digital cameras, Bluetooth-enabled gadgets, handheld gaming consoles, laptops, 18650 lithium-ion battery-powered devices, mobile phones, solar-powered charging systems, audio gear, portable electronics, point-of-sale (POS) systems, electric fans, and equipment that supports Type-C charging.