How to make a 7.4v battery with two lithium battery | Humble Tipz
Hello! friends today I am going to make 7.4v battery with using two li ion battery 🔋 components we need 1. two li ion battery 2. insulation tape 3. soldering iron 4. flex 5. soldering wire 6. wire this components we need only Thank you for watching and support🙏
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