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Sealey 07223 STARTMASTER® 8000A 12/24V Lithium Jump Starter - Available from November 2026

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  • Regular price £499.99

Excludes VAT



Sealey 07223 STARTMASTER® 8000A 12/24V Lithium Jump Starter - Available from November 2026

The SIP STARTMASTER® 8000A 12V/24V Lithium Jump Starter is a versatile battery booster and portable power pack designed with the highest quality LiFePO4 Lithium-Ion cells for assured power and longevity during demanding, repetitive jump-starting tasks.

Extremely lightweight - just 6.6kg! - while delivering high-current power, this vehicle jump starter is perfect for motorcycles, cars, vans and light trucks. With a Battery Management System, cranking timer and post-crank cooldown, it provides a high degree of safety.

With a durable ABS casing and LED light for poor or emergency conditions, this 12V/24V booster pack is ideal for use in garages, workshops, dealerships, forecourts, service centres or roadside assistance as the complete emergency jump starter solution.

Applications & uses: Suitable for garages and workshops, dealerships and forecourts, MOT and service centres, roadside breakdown or mobile servicing.

What's in the box?: 1x SIP STARTMASTER® 8000A 12V/24V Lithium Jump Starter, 15.5V 3A charger cable.

SIP 2-Year Standard Warranty

Powerful engine jump starting & integrated safety measures. 

  • Simply connect the clamps, hit Engine Start, crank the engine and let the STARTMASTER® do the rest.
  • Easy-to-read digital display with voltmeter function for accurate monitoring of voltage and charge status.
  • Reverse polarity, short circuit, overheat, overcharge and overdischarge protections for added safety.
  • Insulated and ergonomic pure copper clamps and high-quality leads for added durability.

Quality lithium-ion lifePO4 cells provide consistently reliable boosting performance. 

  • UN38.3 certified Lithium-Ion (LiFePO4) battery for superior performance, increased safety and exceptional longevity.
  • High-quality A-grade cells offer better capacity retention, efficient power delivery and consistent cell-to-cell balancing.

Battery management system (BMS) protects the statrter & vehicle for increased durability. 

  • 10sec engine cranking timer controls current spikes within safe limits and reduces stress on starter, battery and motor.
  • 5min mandatory cool down period between cranks ensures added durability and protection for both the starter and vehicle.
  • Prohibiting successive cranks manages heat dissipation on the cells or BMS and prevents serious thermal runaway.
  • Allows recovery of a stable voltage to maintain integrity and effectiveness of the next crank for added durability.

The portable 96,000MAH power bank is ideal for charging devices, electronics & equipment. 

  • 5V 2.4A USB-A output for charging electronics and devices including smartphones, tablets and laptops on-the-go.
  • Extremely lightweight and compact 6.6kg design with protective ABS/PC casing and robust clamps grip and cable hooks.

Zero maintenance starter with light is ideal for garages, workshops & roadside assistance. 

  • Ideal for garages and workshops, dealerships and forecourts, MOT and service centres, roadside breakdown and mobile servicing.
  • 72 Lumen LED light with steady, slow flash, fast flash and SOS settings ideal for poor visibility or emergency conditions.
  • Comfortably provides the high-current crank needed for effective starting of petrol and diesel vehicles.

Technical Data

ITEM NO. 07223
Output Voltage: 12V/24V
Peak Current: 8000A (12V) / 4000A (24V)
Cranking Current (CA): 3000A (12V) / 1500A (24V)
Battery Technology: LiFePO4
Battery Capacity: 307Wh LiFePO4 (24Ah @ 12.8V DC)
Input Supply: 15.5V DC 3A
USB-A Output: 5V DC 2.4A
DC Output: N/A
Operating Temperature: -10°C - 45°C
Charging Temperature: 0°C - 45°C
Storage Temperature: -20°C - 60°C
Compatible Engine Types: Petrol; up to 14L (12V) / Diesel; up to 12L (12V), 16L (24V)
Net Weight: 6.6kg
Gross Weight: 7.6kg
Product Dimensions: 345(H) x 368(W) x 130mm(D)
Packaged Dimensions: 358(H) x 375(W) x 160mm(D)

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