Optimal Battery Maintenance with Extreme Max 1229 4023 Battery Maintainer Review

This is a golf cart battery lifesaver as it keeps the batteries charged at all times, unlike a golf cart charger. The golf cart charger will charge and turn off after charging and will not turn on again until you manually unplug and plug back in. So far this charger has been great!

bought 1 but 4 glass stopped working and won't light up after an hour. I made a refund, they sent me my second tender, hooked it up to 4 different batteries, I plugged it in and bank 4 lit up and immediately went out. I unplugged it and plugged it back in and still nothing. Amazon got it right for me

I bought this to charge 4 of my boat batteries at the same time. All these batteries are new. After the first charge, all of my batteries never went above 12.1V and charged less than 75 percent. On the third or fourth charge all my batteries are dead. That's $800+ dollars down the drain. Will never buy this again.

Installed on my boat with 3 battery systems. Main application is 24V 74# trolling motor on 18” fish and fiberglass skis. The boat has a standard and 2 deep batteries. Only gave 4 stars because it takes a while (12 hours) to recharge the batteries after a day's driving. Fishing Overall very happy with the charger I like the auto shut off and I've screwed it up so far on the boat so far.

Great Customer Service! My husband bought this charger because he always needs fully charged batteries for all his hunting and fishing needs and this charger is great for his needs. Unfortunately, we had a small problem and contacted the manufacturer. We provided all the information needed and they responded immediately and sent a replacement. Great company to work with!

I purchased this product to individually manage 12v golf cart batteries. Like many others, my car sometimes stands still for months. As batteries age, charging requirements also change. From what I see with my regular golf cart charger, batteries tend to overcharge as they age. This is a modification to evaporate the water in the battery. This behavior usually starts with a battery draining. Because this charger has four separate charging channels, it can handle each battery independently. The…