10 Best Battery Booster Packs of December 2021

  1. Product Highlights
    • Ultrasafe - safe and easy to use car battery jump starter box without the worry of incorrect connections or sparks. safely connect to any 12-volt automotive car battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection
    • Advanced design - our most advanced portable car battery jump starter ever. featuring high-discharge lithium technology for safe operation in any climate. a rugged and water-resistant enclosure rated at ip65. a rubberized over-molded casing to prevent scratching or marring of surfaces. allows rapid charging in 2-hours via the vehicles auxiliary port. and an ultra-compac...
    • Manual override: is a special feature designed for rare situations when a vehicle’s battery is below 2-volts. simply press and hold the manual overide button for 3 seconds, until the boost led starts flashing, to enter into the mode. press the button again (or the power button) to exit manual override. this mode should be used cautiously, as manual override disables saf...
    • Start dead batteries - safely jump start a dead car battery in seconds with this compact, yet powerful, 2000-amp portable lithium car battery jump starter pack - up to 40 jump starts on a single charge - and rated for gasoline engines up to 8 liters and diesel engines up to 6 liters
    • Multi-function - it's a car jump starter, portable power bank, led flashlight, and 12-volt portable power. recharge smartphones, tablets, and other usb devices. it's easily rechargeable from any powered usb port in 6 hours at 2.1-amps. an integrated 400-lumen led flashlight with seven light modes, including emergency strobe and sos. plus, a 12-volt, 15-amp outport port ...
    • In the box - gb70 ultrasafe portable lithium car battery jump starter pack, needle-nose battery clamps, xgc male and female connectors, xgc cable, micro usb charging cable, microfiber storage bag, user guide, 1-year warranty, and designed in the usa
  2. Product Highlights
    • Ultrasafe - safe and easy to use car battery jump starter pack without the worry of incorrect connections or sparks. safely connect to any 12-volt automotive car battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.
    • Advanced design - our most advanced portable car battery jump starter ever. featuring high-discharge lithium technology for safe operation in any climate. a rugged and water-resistant enclosure rated at ip65. a rubberized over-molded casing to prevent scratching or marring of surfaces. and an ultra-compact and lightweight design weighing just 2.4 pounds.
    • Start dead batteries - safely jump start a dead battery in seconds with this compact, yet powerful, 1000-amp portable lithium car battery jump starter pack - up to 20 jump starts on a single charge - and rated for gasoline engines up to 6 liters and diesel engines up to 3 liters.
    • Multi-function - it's a car jump starter, portable power bank, and led flashlight. recharge smartphones, tablets, and other usb devices. it's easily rechargeable from any powered usb port in 3 hours at 2.1-amps. plus, an integrated 100-lumen led flashlight with seven light modes, including emergency strobe and sos.
    • In the box - gb40 ultrasafe portable lithium car battery jump starter pack, heavy-duty battery clamps, 12-volt car charger, micro usb charging cable, microfiber storage bag, user guide, 1-year warranty, and designed in the usa.
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  3. Product Highlights
    • Intelligent safety protection: feature multiple advanced safety technologies including overcurrent protection, overload protection, overvoltage protection, overcharge protection and high temperature protection. you can charge your devices safely. kind note: when using it for the first time, please make sure to fully charge the battery pack.
    • Led flashlight & led power display: the led work light has 2 modes: flash light, and sos light. they could help you see anything clearly when at night. the led light bar shows the remaining power of the battery pack for help you monitor battery power in real time. a must for camping, hiking, long trips, and home emergencies. compatible with all 5v usb-powered devices.
    • Extensive use: jump start most 12v mid size vehicles on the road. work with cars, motorcycles, watercrafts, atvs, utvs, suvs, lawn mowers, yachts, boat, pickup, snowmobiles, etc.---(we provide a 3-year warranty service, please contact us in time if you have any questions during the process, we will solve it as soon as possible)
    • Usb port: 26000mah battery capacity can charge your devices faster and efficient, dual usb output can charge 2 electronic products at the same time. such as cell phones, tablets, for kindles or digital cameras. it helps a lot when you are outdoors/at night with no power resources available. as a nice outdoor demergency kits
    • Car jump starter: solve your problem that the vehicle cannot start for that the car is left for a long time, the battery is worn out, the voltage is insufficient in winter or when you have a low battery in the field. the lithium battery has a built‑in smart power ic, and it can also be used in severe cold -40°c~+80°c. (the large‑capacity battery cell is equipped with a ...
  4. Product Highlights
    • [upgrade design] this self jump starter for car uses the latest qdsp 3.0 so that it can deal with the challenge of starting car batteries in a -4℉ environment at any time. lower the startup temperature and start car safely in any climate. a rubberized over-molded casing to prevent scratching or marring of surfaces. and an ultra-compact and lightweight vehicle jump start...
    • [multi-function battery booster] get an 3-in-1 yellow jump starter box , power bank, led flashlight and portable jump starter at an affordable price. its 5v/2.1a output port can charge phones and laptop. equipped with a bright led, which is used as an emergency flashlight with strobe and sos signal.
    • [note please fully charge it before first use.]
    • [start dead batteries] loftek power bank jump starter comes with lithium-ion batteries. the heavy duty pack offers 1000a of peak power and 10400mah capacity, capable of starting vehicles with up to 7.0l gas or 5.5l diesel engines. the jump box with usb ports can help you quickly start a 12v car, suv, truck or motorcycle.
    • [safe and secure] this portable power bank charger has short-circuited protection, over-current protection, reverse polarity protection and over-voltage protection, providing you with all-round protection during the use. ce/fcc/rohs/ul certified.
    • [what you get] 1 x jump starter、2 x jumper clamps、1 x usb cable、1 x user guide、 1 x protection case. for any issues about the loftek pocket jump starter, please feel free to contact loftek customer support team. we will reply within 24 hours.
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