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See attached photo of my power supply (100amphr 12V battery) used for camping. Use 2 meters one for the charging source to let you know what is going in; what has gone in; Total that has gone in; battery terminal voltage. The other for what is going out. You know exactly where you stand. Perfect for many applications
Verified purchase: Yes | Condition: New
It does what I needed it for, and it should be doing more according to its manual. E.g., it should be counting the time being connected to a power source, which my two units don't do. Also in the manual there is neither functional description nor drawing of the pin-out of the auxiliary 3-pin connector. If it matters to you, the unit is rated up to 100A, though the wires and the connectors are rated 50A. It's simple, strong and does the job. It is very accurate, when compared to my multimeters, voltage readings are inside 10-20mV and current readings are inside 100mA. Very good result for its size and design.
Verified purchase: Yes | Condition: New
Fair value, but would be more attractive with Andersen Plugs fitted. This concept of a watt meter, voltage and current monitor is very adaptable, and has many useful applications where batteries are involved. Battery chargers, solar panels, caravans, camper trailers.
Verified purchase: Yes | Condition: New
This item has all the electrical information you need, in a small package, well done.
Verified purchase: Yes | Condition: New
Finally, something that does exactly what it say on the box. Flawless, get one and you will know how much your 12v gear draws.
Verified purchase: Yes | Condition: New