High-Speed USB-C Battery Charger: The highest charging current for a 3.7V lithium battery charger can reach 2000mA (limited to slot 4 only), 1000mA for two batteries, and 500mA for four batteries. The charging current for 1.2V Ni-MH/Ni-CD rechargeable batteries is 500mA.
Charge Anytime & Anywhere: The 18650 battery charger is powered through a USB port, allowing you to supply power to it via a PC, adapter, portable power bank, or car charger, making it incredibly convenient.
Multiple Protection System: The smart aa battery charger features a 0V/low-voltage activation function, as well as functions for thermal and overcurrent protection, overvoltage protection, short-circuit protection, overcharge protection, and the detection of non-rechargeable and defective batteries.
What You'll Receive: 1 Dlyfull M4S 4 bay battery charger, 1 Type-C cable, user manual, 24-hour customer service, and a 1-year warranty. (Note: Do not charge non-rechargeable batteries.)