All posts tagged "Battery Pack Repair"

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  Rebuilding Battery Pack Of Schiller Ventilator Model GRAPHNET TS

          This was brought to me with the complaint that the battery backup was not working in the ventilator and this pack was not taking the charge. As the pack was already opened and...

  • Posted February 28, 2026
  • 10
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  5 Volt Chargeable 1.5v Li-Ion Sorbo Batteries  Repair

            This repair is about replacing often badly soldered or defect special smd charger controller chips in 5V chargeable 1.5V li-ion AA batteries. In the past I bought several of these Sorbo batteries...

  • Posted March 8, 2025
  • 8
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  How To Revive Any Dead Phone Battery

                  I am having old Samsung Mobile phone which is not in use since long time. I am not using it frequently because of its Memory Limitation having only 768...

  • Posted August 25, 2020
  • 11
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  New Battery After 2 Cycles Already Defect!

                      In previous repairs I wrote about successful fixing old laptop battery packs. In this article I write about a new sort of battery pack that turns into...

  • Posted January 5, 2019
  • 44
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  2000mAH Lithium Ion Faulty In Battery Pack

                        A customer, a good friend of mine came to the shop and was carrying a Makita drill set. As he explained the problem; one of the...

  • Posted September 22, 2018
  • 15