• Reviews around battery (1.93 of 5)

    BESTEK 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter

    • Keeps the portable battery fully charged and then I can take it out of my car, hook it up to my campers lights and 12 bolt tv for an off grid and run lights all weekend with nary a glitch!
    • Used it tonight also to power up a laptop with a dead battery - again, no issues
    • You will want to have the ignition running so as to not drain your battery.
    • Clear clean power when plugged into my portable car battery gadget which replaces batteries and also starts cars
    • i no longer have to worry about dead batteries when I'm in the middle of a job
    • Works great using solar charged battery
    • I finally got to use it, & it drained my battery
    • I use this with my portable battery charger and it works great pumping the air mattress for camping and hunting, but do not leave it turn on or it will drain the battery fast.
    • Now immediately after vehicle shut down, the entire battery is completely drained and will not start
    • It hasn't drained the vehicle battery
    • User beware do not leave it plugged in if not in use, it will drain your battery.
    • did!!!Not only did we save a few grand but this adapter has saved me when my battery was going to die on my
    • Buy the best vehicle battery you can afford, and it will profit you in the long haul by not stranding you
    • The second day the lights were flashing like my batteries were corrupt
    • Ps- just remember to turn it off when the car is not running it will drain the battery really quickly
    • Make SURE you unplug it or flip switch to off when parked, as it will drain the battery very badly.
    • The charger part worked but the battery got extremely hot w no fan in under 5 minutes
    • The second day the lights were flashing like my batteries were corrupt
    • We charged while driving around to avoid draining the car battery
    • It keeps my major electronics such as my laptop powered without killing my car battery
    • I use this with my portable battery charger and it works great pumping the air mattress for camping and hunting, but do not leave it turn on or it will drain the battery fast.
    • This is a great product, but heed the warning to not leave it plugged into car and left on.....found out the hard way with a dead car battery.
    • This charger wouldn’t get my laptop booted from a dead battery
    • I typically leave it on not charging anything all weekend and it has yet to drain the battery, so no worries leaving just the inverter on over night.
    • Did t kill the battery.
    • Drain car battery very fast
    • It can probably drain the car battery enough to prevent the car starting, so i'd be aware of leaving it too long.
    • Quit working right away unexpectedly plugged tv in worked for thirty seconds then started killing my batteries
    • Very good product to have in the car i use to plug the family's wiiu and worked out great.just dont leave it plugged in.... it will continue to run and will zap the battery in time.
    • Works great, but be careful what you leave plugged in or else you might end up with a dead car battery.
    • (Truck has 2 batteries, wouldn't recommend using this too long on a standard car battery)
    • This device has personally saved me from having all my batteries dead and in turn had made me $1,000's of dollars....and in the end that's all that matters to me.....a device that makes my job and life easier!
    • Now with this inverter I can charge it as needed with no worries it will drain my car battery
    • A weak battery will be drained easily if demands are too high
    • What a wonderful equipment!Using apps, Google map, Pandora, Google music, etc., just drains my battery.
    • The only caution I have is when using, be sure to keep your engine running or you may kill your battery
    • It blew out the lighter fuse, and drained the car battery beyond a remotely close to normal operational standard
    • Charges my computer as fast or almost as fast as at home
    • The tablet does not seem to charge as fast as when it's plugged into the wall but it works for what I need.
    • Nice that it's so small and compact as I had to fit it in a small overhead cabinet
    • Works as it should and a lot less bulky than another one we had.
    • Because I blew a
    • Did t kill the battery.
    • still working/hasn’t
    • Did t kill the battery.
    • still working/hasn’t