2005 IOTA power converter

GSM battery link. Just 1 of many GSM batteries. The OP stated GSM, NOT AGM. One thing I have learned over the years is to not just assume you are smarter than somebody else and try to impart your perceived superior intellect on others. Maybe the OP meant AGM NOT GSM. I doubt he meant GSM, but just asking "GSM?" was the correct NON RUDE response. Doug

https://www.alibaba.com/product-detail/gsm-alarm-system-12v-7ah-battery_729240786.html?spm=a2700.7724857.normal_offer.d_image.264d3dc1hF2Evn