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300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter $16.99

$16.99
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I was looking for continuous power supply while on hurricane evacuation and found this item which may come handy to keep my phone and tablets (for the passengers) juiced up on the road.

BESTEK via Amazon has 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter https://www.amazon.com/dp/B004MDXS0U on sale for $16.99 with coupon code QIM6QL5G.

https://www.amazon.com/dp/B004MDXS0U
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#2
Cheapest i've seen for BESTEK. Thanks OP!
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#3
I've been looking for one for these.and the price is absolutely right
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#4
still have one purchased in 2014!
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#5
Is 300w a little high to run on your typical car battery?
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Got it on the deal mentioned by @blueknob and actually just used it to run my laptop for a long drive. Worked great.
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Quote from NorthPurpose
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Is 300w a little high to run on your typical car battery?
No. 300 watts is actually very little. That's 2.5 amps of power which won't power much of anything besides a phone/laptop charger or a small tv.
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Quote from Shane1949
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No. 300 watts is actually very little. That's 2.5 amps of power which won't power much of anything besides a phone/laptop charger or a small tv.
Sure it won't power a cook pot or fridge but for camping it can power fans,lights and charge your phone's.
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Quote from Shane1949
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No. 300 watts is actually very little. That's 2.5 amps of power which won't power much of anything besides a phone/laptop charger or a small tv.
I think it's 25 amps not 2.5 amps since it's a 12v and not 120v? are we using 12v or 120v in this conversion? Help...
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Last edited by PhuongN1949 September 6, 2019 at 08:48 PM.
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#11
Quote from PhuongN1949
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I think it's 25 amps not 2.5 amps since it's a 12v and not 120v? are we using 12v or 120v in this conversion? Help...
2.5A is the output current (120V), while the battery should provide about 24A (300W÷12.5V). Also, you cannot get 300W from the cigarette lighter port, since it is usually protected by a 10-15A fuse.
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Last edited by WarriorSD September 6, 2019 at 08:59 PM.
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Not sure purpose of this . Does it just allow you to plug household devices using the cigarette lighter of your vehicle? But the vehicle cant power 300w?

And if it is mainly for phones, you dont need a standard outlet to charge in a vehicle
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Quote from jmsatl
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Not sure purpose of this . Does it just allow you to plug household devices using the cigarette lighter of your vehicle? But the vehicle cant power 300w?

And if it is mainly for phones, you dont need a standard outlet to charge in a vehicle
Yes, if you are using the cigarette lighter port, you can connect any household device up to 120-150W, for higher power a direct connection to the car battery is required.
This inverter has 2 AC outlets at 110-120V, but also 2 USB ports that could be used to charge a phone/tablet.
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#14
I actually use these small inverters for solar setups. Cut the end off and wire directly to the battery (with correct fuse!). That way I can run any 120vac off of it.
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Quote from WarriorSD
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Yes, if you are using the cigarette lighter port, you can connect any household device up to 120-150W, for higher power a direct connection to the car battery is required.
This inverter has 2 AC outlets at 110-120V, but also 2 USB ports that could be used to charge a phone/tablet.
So would you buy this and a car battery for an emergency in case of a power outage ? Can it be attached to a car battery indoors?

I guess the battery would go fast if not connected to a car running gas
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Last edited by jmsatl September 7, 2019 at 07:45 AM.
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