This battery comes already charged, sealed, maintenance free, and ready to install. AGM and GEL batteries are lead-acid and of the same battery chemistry.YTX4L-BS SLA Replacement Battery Compatible with Guangdong Kejian YTX4L-BS - 3PK Premium quality absorbed glass mat technology AGM is ideal for ATVs, Motorcycles, Personal Watercraft, Jet Ski's, Snowmobiles and more..
.12V 15AH F2 Battery Replacement for EA Wheelchair - 10PK The ML15-12 is an Absorbent Glass Mat AGM technology with a valve regulated design, that can be used in enclosed and indoor environments without leaking or maintenance, providing a superior performance for thousands of models.