How Do I Know When My Energizer Charger Is Done. Energizer wants you to buy more batteries when the ones you have are fine. If charging is needed briefly drain the batteries before trying again.
Attach the test probes of your multimeter to their corresponding ports. Make sure that the charger is plugged in correctly either to the wall or to your device. After charging your power bank connect one of your electronic devices to the bank using a USB cord.
Ni charger both will refuse to charge many marginal AAs which other chargers will charge but the cells have deminished capacity and get warmer during a charge than the others.
Switch your other batteries one at a time on the charger til you find the specific battery that is causing the blinking and beeping. During charging the battery will reach a peak voltage near the end of a charge followed by a slight drop in voltage. For example when selecting 10 amps you will see the amp meters needle move to 10 amps on the readout. Find a combination of 2 that hold a charge and keep one battery on the charger.
