WEAR RESISTANT AND DURABLE -- Battery charger module is made of premium PCB board, wear resistant and durable, good contact
OVERVOLTAGE PROTECTION -- Battery charger board has strong adaptability to input power and over voltage protection for battery
HIGH PERFORMANCE -- Boost lithium battery module preserves the battery voltage below the input voltage and battery short circuit
INPUT VOLTAGE -- Charging board input voltage DC 3-6V (DC 3.7V 5V recommended). Input current 1A (1A Version), 2A (2A Version), 4A (4A Version)
CHARGING VOLTAGE -- Charger module charging voltage 8.4V, charging current 0.55A (1A Version), 1.1A (2A Version), 2.2A (4A Version)