Check ebay, packs from hover boards that got recalled are available.
The cost can be $1 a cell, a pack might have 20. Each cell might be 10-12 watt hours. It takes 3 cells to produce 12 volts.
The cost can be $1 a cell, a pack might have 20. Each cell might be 10-12 watt hours. It takes 3 cells to produce 12 volts.
Great stuff.