
These batteries are perfect for the applications they describe (solar). Like another customer mentioned, it even has its own torque recommendations. Given that I don't leave it with a float voltage or anything and move it back and forth from the solar panel system I built to the house to be hooked up to an inverter, I don't really pay much mind...but if you plan on leaving these in a stagnant location, I would definitely follow the torque recommendations to get maximum potential and efficiency from these batteries.
I still can't get over the free shipping! Anyway, coming from the point of view of someone who worked with batteries and DC power for a living, these are awesome batteries.After extensive study of what type of battery to use for my solar storage, I decided to spend the extra money and buy a top of the line battery. After all, it is as important as the solar panels, if you plan on actually using the voltage once the sun goes down. This battery was a complete surprise. Be prepared to deal with the weight this is one heavy battery. It even has the tourque specifications for the terminal posts written on the top of the battery. If you are using any type of 12 volt storage this will definitely impress you.A very heavy object delivered right to my doorstep. The packaging was intact, the battery was in pristine condition. I have been using this battery for a solar test system. It charges well, maintains the charge, and discharges well. Years are needed to determine how it lasts, but so far, so good.Used for emergency backup power. Charged fully and checked several weeks later. Battery was still at full charge. Great battery with plenty of capacity!This battery hold up under load, and charges fast. I have run computer, big screen TV, lights, hard drives. Does an excellent job. Note: Very heavy battery.
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