My Medion battery charge indicator does not light up. What’s wrong?

Solution: Check whether the power adapter or battery pack is attached correctly. You may also disconnect the power adapter or battery pack, wait for a minute, then reconnect them again to the power outlet and Notebook PC.

Brand new medion a31-m15 11.4V 3740mAh laptop batteries

    Voltage: 11.4V
    Capacity: 3740mAh (42Wh)
    Battery cells: 3-cell
    Chemical: Li-Polymer
    Battery Color: black
    Condition: new original battery
    Warranty: 9 months

You can always get it at extra 5 off with coupon code NZ06 here: https://www.storebattery.co.nz/medion-a31-m15-11.4v-3740mah-laptop-battery-store-for-new-zealand-p-408931.html.