Jensen JP20 160-Watt DC-to-AC Power Inverter
Buy For: $49.99 Brand: Recoton
Features:
* 12-volt DC to 110-volt AC power inverter for vehicle use
* Ideal for watching TV or using laptop in car, boat, or RV
* Attaches effortlessly to vehicle's cigarette lighter adapter
* Single AC outlet connects to any portable AC appliance
* 160 watts of continuous power output; 300 watts peak power output
Recoton is a global leader in the development and marketing of consumer electronic accessories, audio products and video gaming products. Recoton's more than 4, 000 products include highly functional accessories for audio, video, car audio, camcorder, multi-media/computer, home office and cellular and standard telephone products, as well as 900MHz wireless technology products. The JP-20 single-outlet 160W DC to AC Power Inverter allows AC operation from car, RV or boat cigarette lighter.

total reviews 46
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Beware of the output frequency: 63.8 Hz for my unit
The unit I got has an output frequency of 63.8 Hz which is nearly 7% above the nominal 60 Hz. The unit also seems to run warmer than other models I've used under the same load.
I've also noticed that several of the Xantrex inverters have much looser frequency specs compared to the last generation of inverters which were typically 60 Hz +/- 0.01%. Many of the current crop of these inverters have 60 +/-4 Hz which is 60 Hz +/- 7%. To be fair, I've noticed a number of inverters made by other companies also have relaxed this spec. I measured the output frequency of several models and found their outputs to range from 58 Hz to 64 Hz. I didn't test to see if the frequency changed with temperature, input voltage, load, or other other factors. I suppose the reason for this change in specs is that these manufacturers are now cost cutting to the extent of eliminating a 30 cent quartz crystal. The frequency variation is most likely to cause problems (speed changes and overheating) in devices with AC motors, but it will also cause inaccuracies in devices that use the AC line frequency for timing purposes.
