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 $14.76 NZD

Regular price ~~$0.00 NZD~~ Sale price From $14.76 NZD
Portable Battery Spot Welder – UK3

Portable Battery Spot Welder – UK3

Regular price $399.99 NZD

Regular price ~~$0.00 NZD~~ Sale price $399.99 NZD
3S / 4S Li-ion Battery Protection Board – 40A / 60A BMS Options

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

Regular price From $28.52 NZD

Regular price ~~$0.00 NZD~~ Sale price From $28.52 NZD
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 $199.99 NZD

Regular price ~~$75.97 NZD~~ Sale price $199.99 NZD

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 $13.99 NZD

Regular price ~~$4.59 NZD~~ Sale price $13.99 NZD
MBR Series Dual Schottky Rectifier Diodes – TO-220 / TO-220CT (10pcs)

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

Regular price From $12.99 NZD

Regular price ~~$4.30 NZD~~ Sale price From $12.99 NZD
C4D Series Silicon Carbide Fast Recovery Diodes (TO-247) (1pc)

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

Regular price From $4.49 NZD

Regular price ~~$2.26 NZD~~ Sale price From $4.49 NZD
R6020ENX – 600V 20A Fast Recovery Rectifier (TO-220F)

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

Regular price From $53.99 NZD

Regular price ~~$17.71 NZD~~ Sale price From $53.99 NZD