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1PCS Solar Battery Charger Controller Charging Discharge Control Module
- Item No : 385436194217
- Condition : New
- Brand : Unbranded
- Seller : kaiserburg-d
- Current Bid : US $5.11
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* Item Description
- Answer: This is because your charging current is too large or the battery capacity is too small. The relay is disconnected. Usually, the charging current is 10% of the battery capacity. From 1 to 1.5, the charging current of 20AH batteries is generally about 2-3A.
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