... reversal issues.----The charger automatically switches to maintenance mode with 1/10 of charging current when the cells is fully charged ... Hz, 12 W Output: DC 1,7 V= ---- NiCdDC 1,4 V= ---- NiMHDC 1,7 V= ---- AlkalineDC 4,2 V= ---- Li-IonDC 10 V ... waste, use separate collection points of sorted waste. AAA,9V,NI-MH,NI-CD,Non-Rechargeable ALKALINE and Lithium BATTERY Rechargeable Alkaline Battery Charger