Can A Flat Battery Be Recharged. A small bulb may help Fully discharge the ageing battery and recharge it to activate it. If you are lucky and there is enough juice left you can hook it up to a smart battery charger and get.

It all depends on the health of the battery if it is in a good condition you can recharge it with a starting voltage of 14V and reducing it to 12V once charging begins. A small bulb may help Fully discharge the ageing battery and recharge it to activate it. Make sure the Battery Extra low voltage switch is in the off position.
To Battery Life Saver works from the power of the battery.
There are a few ways to recharge your battery though the phrase completely dead is a bit more difficult to assess. According to some websites you can recharge around 10 times before its completely dead. So can a completely dead battery be recharged. How to Charge a Dead AGM Battery.
