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Sealey

Sealey AK400 Battery and Alternator Tester

Check contents · United Kingdom

All retailer prices (3)

Item prices shown in GBP. Delivery is separate. We may earn a commission when you buy through our retailer links.

Power Tools Direct

Reported available

Observed 15 Oct 2026

£11.52

Delivery: check retailer

Visit Power Tools Direct ↗

Tooled Up

Reported available

Observed 12 Oct 2026

£14.95

Delivery: check retailer

Visit Tooled Up ↗

My Tool Shed

Reported available

Observed 12 Oct 2026

£14.95

Delivery: check retailer

Visit My Tool Shed ↗

Pack contents — retailer title

Pack format: Check contentsBatteries: Not confirmedCharger: Not confirmed

Pack contents are not established from the retailer title. Check batteries, charger, case and accessories before ordering.

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Price history

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About this tool

The Sealey AK400 is a battery and alternator tester designed for quick diagnostics of 12V DC electrical systems. This compact testing tool features LED indicators that verify the condition of both batteries and alternators, making it an essential diagnostic aid for automotive professionals and mobile mechanics. The tester is fitted with 900mm of cable terminated with a probe and crocodile clips, providing flexible connection options for testing batteries and charging systems. The magnetic backing allows the unit to stick securely to metal surfaces, enabling hands-free operation whilst working under bonnets or in confined spaces. Weighing just 73g, this lightweight tester is ideal for mobile mechanics, vehicle technicians and maintenance workshops requiring a portable diagnostic solution for 12V automotive electrical systems. The LED indication system provides clear visual feedback on battery and alternator condition. Features and Benefits: • LED indicators provide clear visual verification of battery and alternator condition • Magnetic backing enables hands-free operation on metal surfaces • 900mm cable length with probe and crocodile clips for versatile connection • Lightweight design at just 73g for easy portability Specifications: Brand: Sealey Nett Weight: 0.073kg

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.

Product details

Brand: Sealey
Barcode / GTIN: 05054511400717
Category: Batteries & chargers
Pack format: Check contents

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