SZ-KARIDGE 50103 cordless soldering iron, 1600mAh

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Product guide

SZ-KARIDGE 50103 cordless soldering iron, 1600mAh

The SZ-KARIDGE 50103 is a rechargeable cordless soldering iron listing aimed at PCB soldering, cable repair and small appliance fixes. Its claimed adjustable temperature and Type-C charging suit occasional bench work, while customer feedback is mixed on heat retention and battery life.

At a glance

The listing claims an 8-second heat-up and electronic temperature adjustment from 180°C to 450°C.
Its 1600mAh battery is claimed to provide approximately 30-60 minutes of cordless operation depending on temperature.
Type-C charging is claimed to support charging from a wall adapter, laptop, power bank or car charger.
A sleep mode is claimed to activate after 60 seconds of inactivity.

Price

£22.94Save 15%

Reference price: ~~£26.99~~

Price checked: 12 Nov 2026

View offer

Often bought together

Rechargeable Cordless Soldering Iron Kit, 1600mAh Wireless Soldering Pen 8s Rapid Heating, 180-450°C Adjustable, 3 Interchang

Pros and cons

Pros

Cordless operation and Type-C charging give more flexibility than a permanently tethered iron.
Temperature adjustment and three listed interchangeable tips support a range of small repair tasks.
The listed kit includes soldering consumables and storage accessories, subject to the package caveat below.

Cons

Customer feedback reports mixed heat retention, including concerns that the iron may not maintain heat during work.
Battery life receives mixed feedback, with reports of slower recharging and charge depleting sooner than expected.

Technical specifications

13 specifications

Identity
Brand	SZ-KARIDGE
Model	50103

Power and battery
Power configuration	Battery Powered
Battery capacity	1600mAh
Claimed cordless runtime	approximately 30-60 minutes of continuous wireless use per charge, depending on the temperature setting

Heating and controls
Claimed heat-up time	8 seconds
Temperature range	180°C to 450°C
Start-up temperature	350°C
Temperature adjustment	±5°C
Heating element	Integrated Heating Core
Sleep mode	60s of inactivity

Charging and construction
Charging connection	Type-C
Handle material	Plastic

What to know before buying

Listing details to confirm

The stated cordless runtime depends on temperature, and the listing also claims use while charging. Customer feedback is mixed on heat retention and battery life, so consider these reports when planning longer or heat-demanding work. The title claims a kit with three tips and solder consumables, while the explicit contents list specifies the iron, three tips, solder paste, solder wire rolls, Type-C cable, stand and storage case. The title does not establish whether every named accessory is included, so check the selected listing's package details.

What’s in the box

Included

Cordless soldering iron
3 interchangeable tips
Solder paste
Solder wire rolls
Type-C cable
Stand
Storage case

Who is it for?

A good fit for

DIY users handling PCB soldering, cable repair or small appliance fixes who want a rechargeable iron.
Buyers who value temperature adjustment and a kit listing that names tips, solder supplies and storage accessories.

Less suited to

People needing confirmed sustained heat performance or dependable long sessions without interruption.
Buyers who require a separately confirmed package inventory or a confirmed replacement-tip supply.

SZ-KARIDGE 50103 cordless soldering iron, 1600mAh · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 43 ratings

5 stars74%74%
4 stars6%6%
3 stars5%5%
2 stars0%0%
1 star15%15%

Customer feedback describes the iron as a good kit, but reports on heat retention and battery life are mixed. Some customers say it heats quickly, while others report it does not maintain heat. Battery comments include slower recharging and quicker-than-expected depletion. These concerns matter for sustained soldering, despite the listing's claimed rapid heat-up and 30-60 minutes of cordless use.

Positive themes

Customers describe it as a good kit.

Mixed feedback

Heat retention receives mixed feedback, including reports that it may not maintain heat.
Battery life receives mixed feedback, including slower recharging and quicker-than-expected depletion.

Frequently asked questions

What temperature range does the listing specify?

It claims electronic adjustment from 180°C to 450°C, with a 350°C default start-up temperature and 5°C steps.

How long does the battery last?

The listing claims approximately 30-60 minutes of continuous cordless use per charge, depending on temperature. Customer feedback on battery life is mixed.

What is included in the package?

The explicit contents list names the iron, three interchangeable tips, solder paste, solder wire rolls, a Type-C cable, a stand and a storage case. The title also presents the product as a kit, so confirm the selected listing's exact package contents.

Can it be used while charging?

The listing claims it can be used while charging from a power bank or adapter. This is a manufacturer claim, not an independently verified performance result.

Are replacement tips available?

The listing says tips are consumables and states that replacements are not sold separately. It points to C210 as a search term, but does not confirm compatibility.