The 13 Best Replacement Solar Light Parts of 2026
Replacement Solar Light Parts of October 2026: we compared 13 models by features, build quality and value.
Solar Light Batteries & Parts
How to choose replacement batteries, bulbs, panels and parts for solar lights, and how to tell whether a light needs a new battery or a new fixture.
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Solar Light Batteries & Parts Buying Guide
Most solar lights that stop working need a new battery, not a new light. The rechargeable cell is usually the first part to wear out.
- Match the battery type. Check the old cell: NiMH, NiCd or lithium (often 3.2 V LiFePO4 in an AA size). Replace like with like. A 3.2 V lithium cell can damage a light designed for 1.2 V NiMH.
- Capacity (mAh). A higher mAh NiMH cell can run longer, but only if the panel can fill it on a typical day.
- Do not use alkaline batteries. They are not rechargeable and can leak.
- Clean the panel. Dirt and clouded plastic cut charging. Wipe panels regularly; a hazy panel can sometimes be improved with plastic polish.
- Check the sensor. Lights that stay off in the dark may have a covered or faulty light sensor, or the switch may be off.
Solar bulbs with their own panel are a separate product: a hanging bulb you can use in sheds, tents or chicken coops. Recycle old rechargeable batteries at a battery drop-off point.