This might be an option since it is also an engine starting battery.
DCS 12V 110AH (LITHIUM)
12V 110AH Lithium Ion Battery | Deep Cycle | Engine Starting
DCS Batteries are the ideal replacement & upgrade from AGM, Gel or other lead-acid batteries for any application. DCS gives you the ability to upgrade your current batteries to lithium-ion technology that can deliver a minimum of 2500 cycles and has tremendous advantages in weight, performance, reliability and service life compared to traditional lead-acid batteries.
Backed by a 4 year warranty.
Looking for a 12v 100ah lithium battery or 12v 100ah deep cycle battery? DCS is one of the leading manufacturers of lifepo4, lipo & lithium car batteries.
www.deepcyclesystems.com.au