Can I charge my battery directly from my solar panel? Permanently deleted user October 07, 2022 00:52 Updated Do not directly connect a solar panel to the battery, instead use a suitable SOLAR REGULATOR. View our solar regulators for more information. Related articles Do I need to charge my battery when it arrives? Can I charge directly from my car’s alternator? How to Troubleshoot Deep Cycle Battery Issues What happens if my Lithium battery goes completely flat? What is the bulk and Float charge of my new Lithium battery?