Gem Car Gel Batteries

AGM batteries are suitable for cars Gem. I have an old car that will not have gem of gel batteries truth.?

if the alternator load

STUNNING 99 E-825 GEM CAR 4 SEAT ELECTRIC GOLF CART, NEV, CUSTOM PAINT, LOADED, 40MPH

Other Makes : GEM E825 2002 GEM NEV E825 790 HRS GEL BATTERIES ELECTRIC CAR READY TO DRIVE CLEAR TITLE $3,500.00

2005 GEM CAR E2 WITH 16″ WHEELS FACTORY DOORS 30MPH GEL BATTERIES STREET LEGAL $4,450.00

Trojan 31 Gel 12v GEM CAR Battery Free Delivery* $299.99