I'm using this to power a 3Kw inverter in my work truck. My last battery was a 105AH Concorde which lasted me about 8 years. The price of this 125AH battery was the same as when I purchased the Concorde 8 years ago. It had good reviews so I took the chance. The battery was a bit bigger than my old one, but still fit into the space I dedicated for it. I had to make a small adjustment for the extra height. The bolt terminals were aligned the same way as my old battery so I didn't have to make adjustments for that. I charge it using a 3 stage charger. It powers my inverter well. I did a test using a DC clamp ammeter and when I plugged in my clothes iron it was able to supply 92.8 amps until the iron got hot enough to trip the thermostat when it reached temp. I power saws, drills, lights and other construction type tools with the battery/inverter combination.