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This compact device is performing well, both charging my computer and operating it directly. It requires good ventilation and a small fan if being used at or near its rated capacity. Voltage adjustment is acceptable, but not lab standard. For the price it is great value. Highly recommended!
Verified purchase: Yes | Condition: Pre-owned
This thing actually good on my project. I boost all my 12v appliances into 14v just for an extra power and actually great I really like it. I boost all my 12v led into 14v to get brighter light. I boost all my 12v fans to get higher speed.
Verified purchase: Yes | Condition: New
Because of our continues projects requiring this small dc to dc power supply converter, we bought a lot. Most of the time, it work. Few are faulty when arrived, either voltage are fixed and cannot be adjusted o capacitor exploded on first try. Faulty on arrival is about 10%. Nevertheless, for the price and limited performance, I rate this as acceptable.
Verified purchase: Yes | Condition: New
Great for maintaining the caravan battery voltage from the tow vehicle when towing. I set the output to 13.2 volts. When the voltage from the tow vehicle is 11.9 volts at the caravan, this device maintains the 13.2 volts at a reduced current, but keeps the battery topped up.
Verified purchase: Yes | Condition: New
These are actually a very good little unit. They work very well and to the specifications stated.
Verified purchase: Yes | Condition: New