VERSATILE COMPATIBILITY: Accommodates both AA and AAA 1.2V NiMH rechargeable batteries with 4 independent charging slotsIt can charge AA batteries with 1800mAh input and AAA batteries with 1000mAh input. The charging speed depends on the current input from the adapter to the charger. The larger the input current, the faster the charging speed. It is recommended to use a 5V3A or higher device to assist in powering the charger.
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