BESTEK. via Amazon has
400W BESTEK Car Power Inverter (MRI4011CU-PD30) on sale for $32.98 - $9.89 (apply promo code
X8L7TK2D at checkout) =
$23.09.
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Thanks to community member
travisshyn for finding this deal.
Features:
- Equipped with dual 110V AC outlets and USB-C (PD 30W)/USB-A (QC 3.0) ports
- 32-pin cigarette lighter plug allows it to fit into almost any vehicle
- Equipped with a built-in 40-amp fuse to protect your devices
- ETL-certified, ensuring safety and quality
Top Comments
Community Reviews
BESTEK's 400W car power inverter is a compact 12V-to-110V adapter that works well for light electronics like laptops and phone chargers, and the hard-wired plug makes it easy to use in the car. The input range of 11 to 17 volts also fits a Tesla low-voltage battery. The main caution is power draw, since many cigarette-lighter circuits and fuses cannot safely handle 400W, and the unit may blow a fuse if the load is too high. It is best suited to modest charging needs rather than heavy appliances.
Common Questions (3)
Yes. Many 12V cigarette-lighter circuits are only 10-20A, while this inverter can draw far more under load, so a 400W draw can blow the fuse or exceed the outlet's safe limit. It is safer for small loads like a laptop or phone charger than for high-draw devices.
This model uses a hard-wired cigarette-lighter plug, not battery clamps. If you need a direct-to-battery setup for higher current, a clamp-style socket or a larger inverter is the better fit.
No, it is reported to be modified sine wave rather than true pure sine. It can still run and charge devices like a laptop or phone, but some sensitive gear such as solar battery setups may not turn on.
AI-generated summary based on comments from the community. Updated ago
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22 Comments
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I'm surprised it charges my laptop because of the modified wave, but it does that great.
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