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In Reply to: Electronical mysteries posted by JDK on May 4, 2024 at 03:04:10:
I'm hoping for a similar outcome on this project.I bought this rotary hammer drill cheaply on Gumtree with no charger and a dead battery. I use Panasonic tools so I already had the charger, and thought I could rebuild the battery.
Surprisingly, the rustiest of the batteries weren't the duds. I decided to replace them all with identical 26650 cells and bought a little Chinese spot welder to attach the nickel tape.
It all went well, but the charger is still showing a faulty battery LED! I charged each cell individually before packing, and my only hope is that as they discharge and perhaps balance, that the charger will be able to recharge the pack....fingers crossed.
Edits: 05/04/24
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Follow Ups
- RE: Electronical mysteries - tygersmoke 15:03:26 05/04/24 (7)
- Sounds like an excuse to buy a spot welder! - JDK 19:07:06 05/04/24 (6)
- RE: Sounds like an excuse to buy a spot welder! - tygersmoke 21:19:10 05/04/24 (5)
- Good to see you keep yourself busy ;-) - JDK 15:10:28 05/05/24 (4)
- RE: Good to see you keep yourself busy ;-) - tygersmoke 17:26:59 05/05/24 (3)
- RE: Good to see you keep yourself busy ;-) - JDK 18:18:56 05/05/24 (2)
- RE: Good to see you keep yourself busy ;-) - tygersmoke 22:41:54 05/05/24 (1)
- RE: Good to see you keep yourself busy ;-) - JDK 00:20:11 05/06/24 (0)