This is how to unscrew an access the battery within your Christmas lights or outside lights solar panel and either charge it or replace it. Please make sure you use the correct charger when charging rechargeable batteries.

Solar batteries:
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12-Pack Rechargeable AAA Batteries Pre-Charged, NiMH 1.2V 600mAh Triple A Solar Batteries for Solar Lights and Universal Household Devices, Recharge up to 1200 Cycles, UL Certified - 12 Count

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