Battery store near me shared this method! How to repair 12V drill battery

Hello everyone! You are watching video " Battery store near me shared this method! How to repair 12V drill battery "
Step by step:
00:00 Check the condition of the drill battery
02:11 Cut the drill battery case to fit with 18650 battery (replace Ni-Cd battery with Lithium 18650 battery )
05:03 Make a Spot welding machine using a motorcycle starter relay and a 12V battery
11:20 Weld the battery 18650 with a homemade Spot welding machine
14:49 Weld the charging and protect circuit the drill battery
16:43 Install the charger, load head and close the drill battery box cover
19:04 Check drill battery repair results
I hope you enjoy watching my video!
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