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Reviewed in the United States on April 5, 2024
I purchased 2 of these to replace 4 - 6 volt batteries for my coach, I had limited space and 2 fit fine, I did go from 460ah to 400 ah but cost and ease to wire made the lose if 69ah acceptable, so far they are performing flawlessly, but as anything time will tell forsure reason for 4 stars!
Jimmy
Reviewed in the United States on July 9, 2023
I purchased 2 batteries, have 5 100W solar panels, 40amp charge controller and a 1,000w inverter.... with this set up running a large BODEGA 12v cooler all day long along in the texas summer heat never drop below 88% charge and it easily charges both batteries by noon. Love these heavy batteries
Nick
Reviewed in the United States on March 2, 2022
Replaced the sealed lead acid deep cycle group 27 with this AGM, better to have this one battery than two because of space concerns.Put this in the RV class C house battery, starts up the 4kwh generator no problem. Runs the 1000 watt inverter.Will update this review after I've used it for a couple of trips and months.Update after a year, this has been working great! It can even help start the engine if needed. Can sit and take them hold a charge with no issue. Highly recommended!
Joseph
Reviewed in the United States on March 24, 2021
First, those where the only one to fit on my RV Trailer battery holder )perfect size and fit.Second, those baby are humongous (comparison with Optima D34M and D31M), and do a good workout or ask for help to carry them, they are not light at all (well 200Ah AGM battery, they won't be light).I have 2 of those, charged by 600 watts of solar panel, and I am super happy with the purchase.They arrive with a strong charge already, 12.9V when delivered, I was happily impressed.If you don't want to go LiFePO4, this is very good.edit : a little over 2 years since I purchased them. no problem at all. change is still held well as the first day I installed them. Even in extreme heat (Socal heatwave), they won't flinch.I live on that trailer and they are my sole power source (with the panel). so they are always used for charging phones, power 12v fans or 110v fan (through inverters).
kyle
Reviewed in the United States on January 29, 2020
I have purchased two of the 200ah batteries for my house boat. I have 200w solar panel system maintaining them. I run a 3000w Inverter among rest of the electronics on the boat (not motor) and we go out for 2-3 weeks at a time and never run low on power. I did a ton a research before purchasing and when hooked up correctly with the right size batteries for your system (so they never run below 50%) These work great and will last up to 10yrs.One of the batteries i had to send back twice due to being smashed during delivery. but they said no prob and had it picked up from my house and shipped me a new one till i got a perfect battery.
costlyoil
Reviewed in the United States on June 28, 2019
These very expensive agm batteries failed in 6 months. Unbelievable. I reached out to the seller and they will not provide a solution. Do not buy from vmax!! These cells were installed in our rv which stayed plugged in and weren’t used. What a waste of $
KTay
Reviewed in the United States on August 14, 2018
This is my 2nd purchase of Vmax batteries from this seller. I bought a 125ah 6 or 7 years ago. It's still working good. Great product and great seller. Looking forward to many more years of great use from Vmax.
downrightp
Reviewed in the United States on December 16, 2017
Plenty of back-up power for the house. After positioning batteries (very heavy); connections were a breeze.
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