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@🌴Rai Kanchana gave the panel to test the actual current value before cleaning the panel and after cleaning the panel. 📚Speaking incorrectly in many points, such as panel voltage, battery type. ⛩The actual details are as follows. ✅Second-hand amorphous panel 140W. 77V.1.82A. ✅Ready-to-use lithium battery Lithium-Ion 150ah 12V. ✅MPPT charger DC to DC 65A model Y01.6-65A - Works without connecting to the battery - Set the charging voltage - Set the charging amps - Charge batteries in all systems 12V 24V 36V 48V -Input: 30-175VDC