Guest 2711A Guest On-Board Battery Charger 10A / 12V, 2 Bank, 120V Input

Works well for my batteries on board.

The Guest 2710A comes pre-wired with ring terminals and a 15amp AC power cord with plug. The unit includes four stainless mounting screws. Installation was super easy and took less than 20 minutes. After powering it up, the unit automatically sensed the type and condition of the battery. Without question it doesn't get any easier than that. I also appreciate the water proof rating as it's installed in a rear compartment that is prone to being damp. It's light weight and takes up very little space.

This is the best on board battery charger I have ever found. It is quiet and runs cool and has a very long cord. I also like the way it was packaged because there was no chance of any damage upon delivery.

Keeps my 12 and 24 volt electrical system charged. This is my second Quest unit in 14 years. Good quality, price and reliable.

Does a wonderful job, keeps both batteries ready to go in my boat

First and foremost, for onboard installations on boats, I'd recommend also purchasing an Inlet Port Charger plug (if your boat doesn't already have one). These inlet ports sit recessed within the fiberglass exterior of the boat, making the installation clean and especially convenient (this does involve drilling a 1.5-2 inch hole for the inlet port). Just run a 3-prong female extension cord directly to the boat and off you go with charging. On my particular boat, I have 2 batteries...one 12V "house" battery for the engine starter and house electronics, and another 12V deep cycle for a trolling motor. The dual bank 4/4 Amp Guest ChargePro was a perfect match for my setup as it charges and maintains both batteries simultaneously. Since the house battery charges when the engine is running, that battery generally stays "topped off" and doesn't typically require much charge time...though the ChargePro does maintain it with a trickle charge between outings. The deep cycle battery gets used more extensively with the trolling motor, and the ChargePro will typically complete a charge cycle overnight on the deep cycle batt. Another great upside to an onboard charger is that it can maintain the batteries long term, over the Winter, to keep the batteries in their optimum state. The battery connectors all have fuses, the unit itself protects from reversed polarity and overcharging. The charger unit seems to be well-built and mostly made of metal. Overall a great option especially if you have more than one 12V battery, highly recommend for marine battery charging.

Interestingly, Amazon told me this was the third guest dual bank battery charger that I purchased. It turns out charger life is 9 years. I consider that fantastic. And, where I've used the same model two times, this charge pro is more intelligent than old models. It reinstalled in the old cabling perfectly and instantly indicated two good batteries in my old yacht. One of the best things they've done is make the status lights red, yellow green, like they should be. Green means good. Red means bad. And, flashing red is a problem warning. I never understood the purpose of blue. So with this new model, blue just means you've got incoming AC power and it has nothing to do with the batteries. Nice improvements.

This is great quality & works perfect! Used it to replace the junk one on my camper.

Great Amazon price, great quality, easy install and a quick and easy way to charge your boat batteries......what more could anyone want!

The unit works perfectly for the application I needed it for. Was delivered as promised. All good

Especial para equipos que requieren bajo mantenimiento yo lo instale en alarma de altos decibeles con gabinete hermético

Excelente precio para este muy buen producto

Have this running on my Searay Sundancer 260 dual batteries and keeps both batteries at full without issue. I very much like this product and will recommend it to anyone with dual battery setup.