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Author Topic:   Pro-Mariner ProSport 1.5 On-Board Battery Charger, Anderson Powerpole Connectors
jimh posted 03-29-2008 11:15 AM ET (US)   Profile for jimh   Send Email to jimh  
On my last trip to BASS PRO SHOP to relieve my winter doldrums, I came home with a ProMariner ProSport 1.5 On-Board battery charger ($37). This device is a 120-VAC operated battery charger-maintainer. It is housed in a small plastic enclosure which has a flange with mounting holes for installation on a bulkhead.

The unit specifications are:

--Fully automatic
--Maintains 12-volt batteries up to 250 Ampere-Hour
--16 watts
--115 VAC, 60-Hz 0.5 ampere
--13.4 VDC float mode
--1.5 ampere
--4-foot output cable
--3-foot AC power cable

The output cable is terminated in ring connectors which are suitable for use with large marine battery terminal posts.

I connected the ProSport 1.5 to a large AGM battery on my test bench. The AGM battery has a capacity of 75 Ampere-Hours. The battery's initial state of charge was unknown, but it was probably around 90-percent of full charge. After two weeks I checked the terminal voltage of the battery (with the ProSport 1.5 still connected) using my Fluke DVM (of reasonable accuracy). The DVM showed 13.28 volts, or slightly below the nominal 13.4-volt float target. When I first connected and powered the ProSport, it became surprisingly warm to the touch, above the room ambient of 68-degrees, but certainly not hot. As the battery absorbed the charge and the charging current tapered, the temperature of the ProSport decreased, and now the unit is just somewhat warm.

I am using the ProSport 1.5 to maintain my test bench battery, but you could also install this device on your boat and use it in a similar manner to maintain your boat battery (as long as you have a source of 120-VAC).

The device is marked as "MADE IN CHINA." ProMariner is located in Rye, New Hampshire. Their website is

The product page for the ProSport 1.5 On-board is

To distribute power from the test bench battery I am using a RIG RUNNER 4005. The RIG RUNNER uses Anderson Powerpole Connectors. The Anderson Powerpole connector is designed for 12-volt applications (up to 180-amperes) and is blessed by the American Radio Relay League as a standard connector arrangement for 12-volt power distribution. The RIG RUNNER distribution panel is a convenient arrangement for distributing 12-volt power. It has multiple fused outlets that use standard automotive style ATC/ATO fuses.

The RIG RUNNER is not designed for marine applications, but it is handy on a test bench in a dry environment.



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