Smart LED charging status indicator. Battery type 3.6V/3.7V 7.2V/7.4V High Capacity. Hitachi DZ-ACS2. Hitachi DZ-BX Series. Hitachi DZ-HS Series. Hitachi DZ-MV350 Series. Hitachi DZ-MV380 Series. Hitachi DZ-MV550 Series.
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