Multi-function Power Banks Can Jump Start Your Car Beside Charging Your Phone

Many people carry a USB power bank with them to make sure their smartphone does not run out of battery, but based on my experience failing to start your car because of a depleted or dead battery will bring ever more anxiety. Interestingly/funnily enough, while this happened to my neighbors last week-end, today I was informed that TM08 multi-function power bank was designed to both charge your phone or laptop, and help start your car.

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Typical Multi-function Power Bank (Click to Enlarge)

TM08 specifications:

  • Input – 12V/1A
  • Output – 5V-2A via USB and 12V jump starter for car with 200A starting current, and 400A peak current
  • Battery
    • Capacity – 12000mah
    • Charging Time – 3 to 4 hours
    • Life cycle – Over 1,000 cycles
  • Dimensions – 130x70x25 mm
  • Weight – 311 grams
  • Operating Temperature – -20℃-85℃


The kit comes with adapters to charge your phone or other devices, as well as cables to connect to your car’s battery. A fully charged power bank will be able to start you car about 20 times, charge your smartphone 6 to 7 times, and charge an iPad twice. A white LED is also included to use as a torchlight or SOS strobe. The pictures above are actually for another model with 19V and 12V output for laptop, but the rest of the accessories are about the same.

I wanted to watch it starting the car, and there are a few videos online including that one clearly showing how to use the power bank to start your car.

The device is available on eBay for $84,  but I could also find the pink version for $64.90 on Aliexpress. I initially found the model with 19V and 12V output on a Thai website, but then found it as “MaiTech Portable Car Emergency Start Power” on DealExtreme for $64.99. Finally, there’s a very similar model on Amazon US selling for $100, and user’s feedback is usually positive. You should be able to find more models by searching for multi-function jump starter power bank on Google.

Thank you Onebir!

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3 Replies to “Multi-function Power Banks Can Jump Start Your Car Beside Charging Your Phone”

  1. Hehe we had this problem a few days ago too! PIA! Any idea why they cost so much more than other power supplies with similar mAh ratings?

  2. mhh, there is no proof the car’s battery was actually depleted

    also, i love how he connects a 400A capable lipo to clamps, which he lets dangle around almost touching 😀

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