Will A Trickle Charger Overcharge A Battery. The charge current of a trickle charger is regulated by battery voltage and will be limited to almost zero as the battery charges fully. Just remember to use a solar trickle charger with overcharge protection.

Free 2-Day Shipping Free Returns. Some charges a battery for a few days and some can take it to a few weeks. Charge the battery to its full capacity when you will store the battery or will not use the lawn mower for a month or more.
Since the modes can vary from model to model look for a charger that features modes that match your needs.
Once it starts though a trickle charger should have no problems bringing a dead battery. Will a Trickle Charger Charge a Dead Battery. However it is unlikely that a solar trickle charger will ruin a healthy battery if used correctly. This process releases oxygen and hydrogen.
