How to Repair UPS 12v Board Not Charging battery in Urdu

How to Repair Ups Board 12 Volt
Dosto is video mein main ap ko batao ga k dc 12 volt borad kis tara repair karna hai is video ko dekh kar ups ka borad khod tek karein
UPS Output High Voltage Problem Repair in Urdu/Hindi
• UPS Output High Voltag...
UPS 12v&24v Board Battery Low Cutoff Setting in Urdu/Hindi
• UPS 12v&24v Board Batt...
How To Repair UPS 12v Borad Output Voltage Low Problem
• UPS 12v&24v Board Batt...
Ups 24v Board Input 220v Main Low Voltage Cut Off setting in Hindi & Urdu
• Ups 24v Board Input 22...
How To Repair Ups 12v Board Biasing B-1 B-2 Voltage Fault in Hindi/Urdu
• Ups 24v Board Input 22...