These are very high quality batteries. Product Title.
PAIR x 12v 12ah Lithium LifePo4 Mobility Scooter Batteries + Charger Bundle
2 (Pair) X 12V 12AH LITHIUM MOBILITY VEHICLE WHEELCHAIR & SCOOTER BATTERIES
PAIR x 12v 12AH SLK POWER AGM MOBILITY SCOOTER WHEELCHAIR BATTERIES
PAIR x 12V 12AH PRIDE GO GO ELITE TRAVELLER MOBILITY SCOOTER LITHIUM BATTERIES
SLK Power Mobility Scooter AGM Battery Pair of 2 x 12v 12ah Reliable And long Lasting Replacement Batteries For Electric Scooters And Wheelchairs