1) The charger can identify battery polarity automatically, need not adjust the polarity 2) Indicating the battery residual capacity 3) Adopts the advanced switching power supply circuit, highly efficient, wide voltage orientation scope 4) Adopts the advanced control chip, stop charge automatically when finishing charge, can protect batteries better Specifications: 1) Input: AC 110 - 220V, 50 - 60Hz, 50mAh 2) Output: DC 4.2V, 250mA 3) Suitable for batteries of 250 ? 2,000mAh

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