18650 Battery Packs

Commercial Off the Shelf (COTS)

• 15W, 10 bat pack - $40 - [1]
• Battery Holder - [2]
• Vruzend battery caps - [3] - modular battery system. See biased video at - [4]

Builds

• Spot welding - [5]

Links

• Instructable on spot welded bat pack - [6]
• 18650 Cells
• DIY Spot Welder

How They are Made

• Cord drill battery packs - [7]

Links

• 18650 Cells
• Arduino Battery Chargers
• 18650 Battery Packs
• Battery Pack SMEs