Product Price Capacity (Ah) Peak Current (A) Voltage Output (V) Weight (lbs/kg) Charging Time (hours) Number of USB Ports Includes Cables Reversible Polarity Protection
GOOLOO GP2000 2000A Peak Portable Car Jump Starter
US
£44.84 12 2000 12 1.2 lbs / 0.55 kg

Compact 12V jump starter with 2000A peak current and a 12,000 mAh (44.4 Wh) battery that can start gasoline engines up to 8.0L and diesel up to 6.0L. Lightweight (about 1.2 lbs) with dual USB outputs, a 400-lumen LED flashlight, and multiple safety protections, suitable as an emergency power bank and booster for small-to-mid-size vehicles.

★ Ideal for

Suited for fastest-charging comparison because it has a 15W USB-C input/output port enabling relatively quicker recharge among compact lithium jump starters (15W input).

RYOBI ONE+ 18V 1600A Jump Starter (PCLJSP1600)
US
£126.84 18

Portable 18V ONE+ jump starter providing 1600 peak amps and anti-spark/reverse-polarity protection; uses removable RYOBI 18V ONE+ batteries and includes LED work light. Suits users who already own RYOBI ONE+ batteries or want a battery-swappable jump starter for engines up to 6.0L V8.

★ Ideal for

Suitable for the fastest-charging lithium jump starter question because it uses standard 18V ONE+ removable batteries (enabling faster recharge by swapping charged batteries) and delivers 1600 peak amps with anti-spark and reverse-polarity protection.

Schumacher Electric Lithium 800A 12V Portable Jump Starter (SE-LI800)
US
£94.19 800 12 8.9 72

Compact 800-peak-amp 12V lithium jump starter with a built-in LED work light, 12V DC output and a single USB port for device charging. Designed for jump-starting up to 6.0L gas or 3.0L diesel engines, it includes heavy-duty booster cables and reverse-polarity alarm protection. Lightweight and portable for garage or roadside emergency use.

★ Ideal for

Not the fastest charging model - its 72-hour recharge time and 800A peak output suit users who need reliable emergency starts rather than fastest recharge performance.

NOCO GB70 Boost HD 2000A UltraSafe Lithium Jump Starter
US
£161.06 2000 12 5.0 lbs 2.0

Compact 2000A 12V lithium jump starter providing up to 40 jump starts per charge, a 400-lumen flashlight, USB device charging, and IP65 water/dust resistance; weighs 5.0 lbs and suits cars, trucks, boats and RVs. Features rapid 12V fast-charge (0-100% in ~2 hours) and built-in spark-proof reverse-polarity protection for safe, mistake-proof use.

★ Ideal for

Ideal for fastest-charging lithium jump starters because it supports 12V fast charging to reach jump-ready status in 15 minutes and a full charge in ~2 hours.

CARKU JS558 3250A 12V Jump Starter with Air Compressor
US
£149.52 3250 12 1.7 kg

Combination 12V lithium jump starter and built-in air compressor offering 3250A peak current, 160 PSI inflator, USB PD fast charging and compact 1.7 kg weight; suited for roadside emergencies and inflating tires. Good for users who want a portable all-in-one emergency tool for cars, SUVs and light diesel engines.

★ Ideal for

Suited for the fastest-charging jump starter question because it offers USB PD 30W fast-charge support and a compact lithium design enabling quicker recharge cycles compared with larger lead-acid units.

DEWALT DXAEJ14 2500A Portable Lithium Jump Starter
US
£156.25 19 1600 12 17.3 lbs 3

The DEWALT DXAEJ14 is a portable 12V jump starter with 1600 peak amps, a built-in 120 PSI digital air compressor, and dual USB ports (25W USB-C and 15W USB-A). It includes clamps and cables, an alternator check, and reverse polarity protection, making it a rugged multipurpose unit for garages and roadside use. Its SLA-type battery delivers strong sustained cranking power suited for larger engines.

★ Ideal for

Suited for the fastest-charging comparison because it has a 3-hour recharge time (180 minutes) and onboard USB power delivery for quick device charging.