Sealey SUPERBOOST300E 6/12/24V Battery Starter/Charger 300A/230V

Sealey SUPERBOOST300E 6/12/24V Battery Starter/Charger 300A/230V
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Product ID: sealey_SUPERBOOST300E

Barcode: 5054630710780

Manufacturer: Sealey

Warranty: Click here for info

All Sealey products are covered by a minimum 1 year parts and labour guarantee. Hand Tools are covered by a no-quibble lifetime guarantee against manufacturing defects. Guarantees on our Premier Air Tools and Welding Transformers are conditional on completion and return of a simple registration guarantee card.

Lifetime Guarantee on Hand Tools Lifetime replacement warranty on all of our hand tool ranges. No quibble guarantee also covers individual items within sets. Excludes TRX-Star* T40 bits, breaker bar knuckles, drill bits, blades and engineering taps and dies.

5 Year Guarantee on All-Steel Vices 5-Year replacement parts warranty conditional on registering your purchase with us on a Guarantee Card. 2-Year on Economy versions.

3 Year Guarantee on Welding Transformers 3-Year parts and labour warranty on main power transformer of Arc, MIG and Spot Welders plus Plasma Cutters. Comprises 1-Year unconditional parts and labour warranty, followed by a further 2-Year parts and labour conditional on registering your purchase with us on a Guarantee Card.

2 Year Guarantee on Premier Viking 2-Year parts and labour warranty on our Premier Viking range of Jacking and Lifting equipment.

2 Year Guarantee on Premier Air Tools 2-Year parts and labour warranty. Comprises 1-Year unconditional parts and labour warranty followed by a further 1-Year parts and labour, conditional on registering your purchase with us on a Guarantee Card.

Price: 3.00 ex VAT) £3.60 (inc VAT)

3.60 2026-09-23
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Sealey SUPERBOOST300E 6/12/24V Battery Starter/Charger 300A/230V

Microprocessor controlled charger with up to ten analysis and charge phases, including trickle/maintenance. Suitable for charging 6V, 12V and 24V electrical systems and jump starting 12/24V vehicles. Battery compatibility includes VRLA, GEL, AGM/EFB, Leisure and Lithium batteries (12V only). Delivers up to 30A boost charge with timed safety cycles for fast charging and 300A starting power for 12/24V vehicles. Suitable for batteries from 15Ah to 400Ah and maintains all sizes. BSU mode provides support for the battery during prolonged electronic diagnostic checks. Built-in alternator check and dedicated repair function. Safety features include integrated thermal management system, reverse polarity, short circuit, overcharge and overcurrent protection systems.

  • Microprocessor controlled charger with up to ten analysis and charge phases, including trickle/maintenance.
  • Suitable for charging 6V, 12V and 24V electrical systems and jump starting 12/24V vehicles.
  • Battery compatibility includes VRLA, GEL, AGM/EFB, Leisure and Lithium batteries (12V only).
  • Delivers up to 30A boost charge with timed safety cycles for fast charging and 300A starting power for 12/24V vehicles.
  • Suitable for batteries from 15Ah to 400Ah and maintains all sizes.
  • BSU mode provides support for the battery during prolonged electronic diagnostic checks.
  • Built-in alternator check and dedicated repair function.
  • Safety features include integrated thermal management system, reverse polarity, short circuit, overcharge and overcurrent protection systems.
  • Model No. SUPERBOOST300E

Technical Specifications

  • Model No SUPERBOOST300E
  • Brand: Sealey
  • Cable & Clamp Length: 1.8m
  • Nett Weight: 16.5kg
  • Output: 6/12/24V
  • Zero Volt Charging: > 1V
  • Battery Support / DC Supply Mode: Yes
  • Supply Current (Amps): 25A
  • Supply Voltage: 230V ~ 50Hz
  • Charger Type: HF
  • Battery Range: (Ah) 15-400Ah
  • Max Size Battery (Ah) Full Charge in 12 hrs 150A
  • Output Charge Peak: 30A
  • Output Start Peak: 300A
  • Type of Battery: All types 6V/12V/24V Lead-Acid Batteries & 12V Lithium Batteries
  • VRLA (Lead-Acid) Yes
  • Gel Yes
  • Lithium Yes
  • Leisure (Deep Discharge) Yes

Weight: 18kg

Warranty: 1 year

Case Quantity: 0

Barcode: 5054630710780

Model Number: SUPERBOOST300E

Instructions for the Sealey SUPERBOOST300E 6/12/24V Battery Starter/Charger 300A/230V

Parts Diagram(s) for the Sealey SUPERBOOST300E 6/12/24V Battery Starter/Charger 300A/230V

Brand: Sealey

Identifier: SUPERBOOST300E


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Warranty Information

All Sealey products are covered by a minimum 1 year parts and labour guarantee. Hand Tools are covered by a no-quibble lifetime guarantee against manufacturing defects. Guarantees on our Premier Air Tools and Welding Transformers are conditional on completion and return of a simple registration guarantee card.

Lifetime Guarantee on Hand Tools Lifetime replacement warranty on all of our hand tool ranges. No quibble guarantee also covers individual items within sets. Excludes TRX-Star* T40 bits, breaker bar knuckles, drill bits, blades and engineering taps and dies.

5 Year Guarantee on All-Steel Vices 5-Year replacement parts warranty conditional on registering your purchase with us on a Guarantee Card. 2-Year on Economy versions.

3 Year Guarantee on Welding Transformers 3-Year parts and labour warranty on main power transformer of Arc, MIG and Spot Welders plus Plasma Cutters. Comprises 1-Year unconditional parts and labour warranty, followed by a further 2-Year parts and labour conditional on registering your purchase with us on a Guarantee Card.

2 Year Guarantee on Premier Viking 2-Year parts and labour warranty on our Premier Viking range of Jacking and Lifting equipment.

2 Year Guarantee on Premier Air Tools 2-Year parts and labour warranty. Comprises 1-Year unconditional parts and labour warranty followed by a further 1-Year parts and labour, conditional on registering your purchase with us on a Guarantee Card.