4500mAh Mini DC UPS Making DIY Kit- Battery, BMS, Buck Converter, Jack & Socket

699.00

  • Battery: 3pcs from Old Laptop (1500-1600mAh per battery)
  • 3s 20Amp 12volt BMS Circuit 1pcs
  • MP1584 DC-DC Step Down Adjustable Buck Converter 1pcs (for 9/5 volt out)
  • DC socket 3 pcs
  • DC Jack 4 pcs
  • DIY Kit for Mini UPS Making
  • Battery capacity Tested
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