8 Best

Heavy Duty Battery Jump Boxes

of May 2024

  1. Product Highlights
    • Turbo chargeable - boost x is equipped with usb-c technology that, combined with power delivery, gives you lightning-fast recharges. completely recharges in just 48-minutes, or go from 0% to jump starting in just 5-minutes of charge.
    • Ultrasafe 2.0 - we took our ultrasafe technology and made it better. it's still our simple, mistake-free design featuring spark-proof technology and reverse polarity protection, but with enhanced thermal efficiency and power management to provide better performance and longer battery life.
    • Here's what you get with boost x - gbx45 ultrasafe portable lithium car battery booster jump starter pack and power bank charger with 60w usb-c power delivery, heavy-duty jumper cable clamps, usb-c charging cable, microfiber storage bag, 1-year warranty, and designed in the usa.
    • X for extreme - an all-new design with extreme jump starting power for powerful engines starts. rated at 1250-amps, this portable lithium car battery jump starter releases maximum energy at every start. this isn't an upgrade. it's a whole new series - the extreme series.
    • Charge everything - with usb-c power delivery, you have the power to charge almost everything. its internal power bank provides 60-watts of power - both in and out - to effortlessly power your favorite usb-c devices, like phones, tablets, laptops, wearables, and more.
    • Maximum versatility - boost x is one of the most versatile lithium battery jump starters ever. jump start all vehicle types, including cars, motorcycles, motorbikes, trucks, atvs, boats, rvs, vans, suvs, tractors, and more for up to 6.5-liter petrol and 4.0-liter diesel engines.
  2. Product Highlights
    • 【10w wireless charger & quick charge 3.0】10w wireless charger function and large 18000mah battery capacity can provide sufficient power to quick charge your smartphones. dual usb outputs including a quick charge 3.0 port are compatible with almost all usb charging devices. 75% faster when charging smartphones or tablets, and save 50% time for the recharge.
    • 【all-round protection】thanks to its large capacity battery, and patented mistake proof connection, the battery holds a charge longer and is less to be drained out or damaged. professional-grade copper clamps are 1/2 larger, 100% copper cables designed for heavy duty.
    • 【powerful & heavy duty】autogen mjs60w emergency jump starter has enough power, it delivers 2000 amp peak to ensure the successful jump start of your 12v vehicles even in cold winter (not only gas engine but also diesel engine). boost start a dead car battery with only one simple press. compact enough to store in your glovebox or under the seat.
    • 【multi-function】it's a car jump starter, massive portable power bank, and led flashlight. it works as a compact portable 12v dc power station, battery charger for all your automotive products. no extra cable needed. it is also equipped with a super bright led, which is used as an emergency flashlight with strobe and sos signal.
    • 【package includes】 portable lithium car battery jump starter pack, heavy-duty battery clamps, 12v dc socket, quick charge cable, tool case, user manual. 12-month warranty, 30-day money back and 24/7 friendly customer service.
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