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Watch Hundreds Of Double-A Batteries Start A Car’s Engine
A proper car battery is rechargeable, making it a much better solution than 300 double-A batteries. It’d be interesting to see the experiment performed again with rechargeable double-A batteries ...
Hackaday13y
Headphones Use Standard-sized But Proprietary Rechargeable Batteries
The headphones take AAA sized batteries and can use either disposable or rechargeable varieties. There is a warning label advising that only Phillips brand rechargeables should be used ...