The construction quality of this portable battery booster is really good. It packed power to quickly startup 6 cylinder engine of my Toyota Highlander 3.3 liters. Easy to use and comes with a user-friendly manual, USB wire charger inside a nice hard case. Unlike my previous portable battery booster, this one doesn't have the USB wall power adapter which you can use for charging. You'll need your cellphone adapter to charge the unit. I already own 3 of these from different vendors and I'm putting this inside one of my old vehicles just in case of an emergency. There's also the small green LED light status indicator, Blue LED remaining power, and a flashlight for emergencies.
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