Vmaxtanks VMAX SLR155 AGM 12v 155ah Deep Cycle SLA Rechargeable Battery for Solar and Golf, Pv Solar Panels, Smart chargers, Wind Turbine and Inverters.
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- 12V 155Ah AGM Deep Cycle Solar Battery
- Military Grade custom made plates
- Float Service Life span of 10 to 12 years
- Designed for 99% recombination capabilities; no dangerous fumes or gases
- Maintenence free and safe for indoor use
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Vmaxtanks specializes in the manufacturing of high quality AGM deep cycle batteries. These batteries offer superior performance and 10-12 years life span in float mode. Please visit FAQ tab at the vmaxtanks website for service, charging and storage instructions. A battery calculator is also available to calculate number of batteries needed for your specific AC or DC power requirements. VMAX batteries come with VMAX labels and a VMAX hot stamp on top of battery. Warranty: 12 Months if purchased through bargainshore- VMAX Authorized Amazon Seller. VOLTS 12V AMP HOURS 155AH WEIGHT 90LB SIZE : L=13.5" W=6.8" H=11.3" MAX. CHARGING CURRENT: 35A MAX. CHARGING VOLTAGE: 14.7V RECOMMENDED: 15A, 14.5V CHARGER: SMART/MICROPROCESSOR CONTROLLED CHARGER
12 Months Exchange warranty, 30 days money back -no questions asked satisfaction - guarantee if sold by an Authorized seller. bargainshore is an Amazon Authorized seller. No RA is needed; just include a copy of your sales record from an Auth Seller. Please inspect battery before accepting if there are any sign of package damage.
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I've been eyeballing the Vmaxtanks batteries for some time and put this SLR155 in one of my Amazon lists knowing that one day I would be upgrading my system. When I ordered the SLR155, the seller contacted me and asked if I wanted to upgrade to the XTR12-155 for free? I'm all for free upgrades so I jumped at the offer. Thus, this review is actually for the XTR12-155, which is nearly identical to the SLR155 with the exception that it has two positive and two negative posts instead of one.
While the XTR12-155 is taller than the battery it replaced, I found that it fit into the battery tray very well. The only thing I had to do to accommodate it's higher profile was to buy a longer threaded rod for the battery tray.
These Vmaxtanks are built like tanks. This battery weighs in at a whopping 92 pounds. There must be a lot of lead inside it. I had to figure out how to get this heavy beast up into the nose box of my camper. I was pleased to see that at the young age of 60 I could still lift 92 pounds up to my chest and lower it down into the box without causing personal or camper harm.
With my new Vmaxtanks battery and upgraded solar plant I'm a happy camper.
So in a nut shell figure 2 amps (not 5 amps ) output for every 100 watt panel. You also need to deduct any power used during the day. Say you watch tv all day. Tv draws lets say one amp when plugged into 120v socket. That one amp turns into ten amps from your battery. On an eight hour daylight charge you need 1000 watts of panels to fully charge one battery plus another 500 watts to compensate for watching tv for 8 hrs during the day. That will leave the battery at close to full charge for your night time enjoyment.. tv, lights etc. This is a little bit of over kill during the summer hours but in the winter when you really need it, this is what you want. Mount your Panels on a pole at a 45 degree angle ( vertical pipe, 45 degree fitting and another pipe into that ) and turn it by hand three times a day toward sun ( morning.. noon.. evening.. and back to morning ) and you can double your panel output from just being a fixed mount.. 4 amps output average instead of 2 amps output per 100 watts average.
For you people who want to contest every post around, please don't unless I'm way off. this is an average, not a scientific notation to the umteenth power.. I have Panels and batteries and wind turbines and gen sets. I live totally off grid. I'm a retired Chief Engineer