Use a wall clock with a battery that recently died (rechargeable or AA/AAA Li Ion battery).

Remove the battery.

Attach AkkuFresh® all around the battery.

Re-install the battery.

You will be surprised to see the wall clock re-starting again.

This simple test shows how AkkuFresh® can regenerate a dead alkaline (or rechargeable) battery, additionally AkkuFresh® can extend the battery life of virtually any battery.