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.YTX14L-BS Battery Replacement for Zipp PWS-YTX14L-BS With 12V 2A Charger Premium quality absorbed glass mat technology AGM is ideal for ATVs, Motorcycles, Personal Watercraft, Jet Ski's, Snowmobiles and more..
The YTX14L-BS GEL is a 12V 12AH GEL Maintenance Free battery. When a Gel Cell battery is charged, no hazardous fumes escape the battery case, gases are processed within the battery itself.