Industrial sourcing · China to Europe

Buyer-firstOpen route · visible proof

Buyer guide · Electronics & assembly

Battery spot welding machine from China

A battery spot welder has to fuse strip to cell hard enough to carry current for years without heating the cell, and a weld that looks fine can peel off by hand, so the only proof is a peel test on your strip and your cells.

Ask about this machine ↗Where the numbers come from

Written and listings checked 30 September 2026. Every figure on this page names its source.

What you are actually comparing.

Two quotes, one machine name

What hides inside the price

Resistance or ultrasonic

Resistance spot welders join nickel strip to cylindrical cells. Ultrasonic welders join thin foil tabs, usually on pouch cells. Four of fifteen listings we checked were ultrasonic. Match the process to your cell format first.

Power source type

Capacitor discharge, transistor and inverter sources deliver current differently. Ask which you are quoted, how pulse length and current are set, and whether a current monitor checks each weld.

Strip material and thickness

Pure nickel, nickel-plated steel and copper-nickel sandwich strip need very different energy. Ask the maximum thickness per material, tested, not a single headline figure.

Head: manual pen, bench or gantry

Hand pens depend on the operator's pressure. Bench heads with spring force repeat better. Automatic gantries place every weld by program for pack volumes.

Electrode force and wear

Ask how electrode force is set and measured, and the price and life of electrode tips, which wear and change the weld over a shift.

Before you ask for a price.

Send these with the enquiry. Without them, any number a factory gives you is a guess dressed as a quotation.

Cell format and maker, and the strip material and thickness you use.
Number of welds per cell and packs per shift.
Pack layout drawing, if you want an automatic gantry.
Peel strength or current rating your pack design requires.
Supply at the machine: phases, voltage and breaker size.

Turn the claim into a demonstration.

Require this	A pass looks like
Weld your strip to your cells for a counted batch and peel every weld on a sample set.	Each peel tears strip material around the nugget instead of lifting the weld clean, and the result is recorded per weld.
Measure cell temperature near the weld during a run.	Cell surface stays within the limit your cell maker allows.
Weld with a deliberately contaminated strip or a worn tip.	The current monitor flags the weld as bad instead of passing it.

The documents that must arrive with it.

EU Declaration of Conformity citing 2006/42/EC, or Regulation (EU) 2023/1230 for delivery from 20 January 2027, plus Low Voltage 2014/35/EU, EMC 2014/30/EU, and EN IEC 62135-1 for resistance welding equipment.
Manual in the language of the country of use, with the weld parameter table per strip material.
Spare list with electrode tips, holders and transformer or capacitor bank data.

The one people forget. Your own fire risk assessment for the welding area. Lithium cells in a production room are a fire load, and an insurer will ask how a cell damaged during welding is isolated. The machine seller does not write that for you.

When this is the wrong machine.

Buy something else if

Named, not hedged

You join thin aluminium or copper foil tabs on pouch cells.

An ultrasonic metal welder built for tab welding.

You need thick copper busbars joined to cells at pack volumes.

A laser welding system with fume extraction and a closed enclosure.

Where the numbers come from.

We name the kind of source, how many and when, and never the factory. Listed prices are asking prices, not landed cost. Where we do not hold a fact we say so: that is a GAP, not an estimate.

Listings · 15Fifteen marketplace listings for battery spot welders, checked September 2026: four were ultrasonic welders for tabs, and the ten resistance welders with a price asked from US$199 to US$15,000. Asking prices, not landed cost.
Listings · 15In the same fifteen listings, two stated a welding current, 10,000 A for one and 5,000 A to 8,000 A for the other; none stated a maximum strip thickness per material.
GAPGAP - no supplier quotations logged for this machine yet. Three to five quotations for one configuration would give a real price spread.

Related machines.

Ultrasonic plastic welder. Choose an ultrasonic plastic welder for closing plastic pack housings rather than joining cells.
Laser soldering machine. Choose a laser soldering machine for soldering sense wires or boards inside a pack, where welding is the wrong joint.

Every machine we source in this area is on the Electronics & assembly page. How a project runs, stage by stage, is on how it works, and what it costs is on pricing.

Straight answers

Questions buyers ask about this machine.

Chinese vs European battery spot welding machine: is the difference worth it?+

For resistance welders the gap is mainly weld monitoring, logging and service. Peel-test results on your strip tell you more than origin.

What goes on a battery spot welder inspection checklist?+

The three tests above, the foot pedal and emergency stop, and electrode alignment on the bench head.

What CE documentation does a battery spot welder need?+

A Declaration of Conformity with its directives and standards, the technical file, and a manual in your language.

Who is the EU importer when I buy one from China?+

Your business, if it brings the welder in. You check the documents, put your name and address on it, and keep the declaration.

Contact

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