NOCO Genius GEN5X2, 2-Bank, 10A (5A/Bank) Smart Marine Battery Charger, 12V Waterproof Onboard Boat Charger, Battery Maintainer and Desulfator for AGM, Lithium (LiFePO4) and Deep-Cycle Batteries

GREAT CHARGER TO THE PRICE I HAVE BEEN USING MINE ON MY FLATS BOAT FOR A COUPLE MONTHS NOW. I BOUGHT TWO OF THEM AND THEY WORK AMAZINGLY, EASY TO USE AND INSTALL, I GET A GREAT BATTERY LIFE EACH CHARGE, OVERALL BEST PURCHASE FROM OTHER CHARGERS I HAVE USED IN THE PAST

Great product. Used it on my Lund boat. Easy to install and easy to connect. Takes about 12 hours to charge a full battery if you have a dead battery or about 8 hours if you have 12 volts or half charged.

High quality way to charge multiple batteries. I used this to charge my Jeep battery and LifepoE dual battery setup.Paired with flush mount plug these things are amazing and waterproof.

Easy to setup. I had to extend one of the leads to reach another battery. I used 4 butt splices. Wire is #14. Working great so far. Charges around 14.5 volts and floats around 13.1 volts.

Super deal for an on-board battery charger. Great charger that charges and maintains batteries when not in use. Compact and does not require much space. Simple to use, plug in and you are done.

First off, this is my 6th NOCO product and all have been awesome. Great chargers, boosters, etc. Quality and performance has been superb! This GEN 5X2 forced me to have to use their customer service, warranty, etc. which has also been stellar.These GEN 5X2 dual bank chargers seem to have a common issue with one of the banks failing. One bank, mine was the second bank that failed, blinks between the charge bar and the standby lights. No matter the battery, the fuse, the connection, etc. A way to test it is to use a multi-meter to test for continuity between the positive and/or negative battery lead on that bank with the a/c power cord prongs - all disconnected, unplugged, no power, etc. The good bank will have some continuity like 36-37ohms. The bad bank will have nothing, pure open circuit.If it happens within the return with Amazon then use that. Otherwise, if its under the 3yr warranty then use no.co site to contact customer service for a warranty claim. Mine was after the 30 day return window. Initially buying it we only had one battery on our boat, knowing we were getting a second house battery. A couple months later we installed a second house battery on our boat and connecting the second charger bank, it immediately started the dreaded blink between the first charge indicator and the standby light, so that bank never worked. Not sure it is an immediate fail for others but was for ours.NOCO customer service was quick and easy. I reached out late at night with their request a call option on their website. The next day got a couple calls because I didn't have my phone near me, an email with troubleshooting steps, and next steps for a warranty claim. They'll let you ship it in and wait for a return after receiving and testing the failed unit. Or, they'll let you buy a replacement from their website - which was cheaper than here on Amazon - and refund the purchase once they've receive the return faulty unit and test it to verify the unit is faulty. I chose this option for a quicker replacement.4 stars mainly for the unit failing but definitely love their products and am now a fan of their customer service. I'll follow up with review if the replacement unit fails and drop stars. If all is well, I think 4 is sufficient for an otherwise great product and company but consideration for this mishap.

Bought this due to upgrading my old trolling motor batteries to Lifepo4 batteries. Installation was easy. The charger came with good instructions. The price is great, too.Since installing this a couple of months ago I an adding a third Lifepo4 battery to the boat and will be swapping this charger out for a 3 bank. I was going to add a single bank charger to the 2 bank, but decided to do the right thing and buy a new 3 bank. Had the 2 bank not worked so well I would not buy this new one.

Good two bank charger, I use for my boat. Easy to install and worth the money. Keeps my batteries at a peak charge.