Collection: Battery Assembly & Spot Welding Tools

Explore tools and components for DIY battery-pack assembly, from portable spot welders to battery protection boards and empty cases. Check each product’s variant, compatibility, included components, and specifications to choose the right option for your project.

18650 Battery Cases & Assembly Accessories – Cells Not Included

18650 Battery Cases & Assembly Accessories – Cells Not Included

Regular price From $9.00 USD

Regular price ~~$0.00 USD~~ Sale price From $9.00 USD
Portable Battery Spot Welder – UK3

Portable Battery Spot Welder – UK3

Regular price $227.00 USD

Regular price ~~$0.00 USD~~ Sale price $227.00 USD
3S / 4S Li-ion Battery Protection Board – 40A / 60A BMS Options

3S / 4S Li-ion Battery Protection Board – 40A / 60A BMS Options

Regular price $17.00 USD

Regular price ~~$0.00 USD~~ Sale price $17.00 USD
Portable Spot Welder Digital 18650 Lithium Battery Kit 30-Speed Adjustable with Display

Portable Spot Welder Digital 18650 Lithium Battery Kit 30-Speed Adjustable with Display

Regular price $114.00 USD

Regular price ~~$43.00 USD~~ Sale price $114.00 USD

Diodes

5KP Series TVS Diodes – 5 kW Transient Voltage Suppressors (DO-201) (10pcs)

5KP Series TVS Diodes – 5 kW Transient Voltage Suppressors (DO-201) (10pcs)

Regular price $8.00 USD

Regular price ~~$3.00 USD~~ Sale price $8.00 USD
MBR Series Dual Schottky Rectifier Diodes – TO-220 / TO-220CT (10pcs)

MBR Series Dual Schottky Rectifier Diodes – TO-220 / TO-220CT (10pcs)

Regular price $8.00 USD

Regular price ~~$3.00 USD~~ Sale price $8.00 USD
C4D Series Silicon Carbide Fast Recovery Diodes (TO-247) (1pc)

C4D Series Silicon Carbide Fast Recovery Diodes (TO-247) (1pc)

Regular price From $3.00 USD

Regular price ~~$2.00 USD~~ Sale price From $3.00 USD
R6020ENX – 600V 20A Fast Recovery Rectifier (TO-220F)

R6020ENX – 600V 20A Fast Recovery Rectifier (TO-220F)

Regular price From $31.00 USD

Regular price ~~$11.00 USD~~ Sale price From $31.00 USD