EV battery, E-bike battery, Scooter battery

JooLee Battery is a professional manufacturer of LiFePo4 battery use to e-bike, power tools, toys, aircraft, Auto car, Bus, Scooter and so on. 5Ah to 1500Ah of the capacity and 3V to 550V of the Voltage. Delivery time is short ,good quality and low price, our company also can be customized according to customer’s different needs. And we can provide OEM and ODM service at the same time.
12V,5Ah/10Ah/20Ah/30Ah/40Ah/50Ah/100Ah/150Ah
24V,5Ah/10Ah/20Ah/30Ah/40Ah/50Ah/100Ah/150Ah
36V,5Ah/10Ah/20Ah/30Ah/40Ah/50Ah/100Ah/150Ah
48V,5Ah/10Ah/20Ah/30Ah/40Ah/50Ah/100Ah/150Ah
72V,5Ah/10Ah/20Ah/30Ah/40Ah/50Ah/100Ah/150Ah

Shenzhen JOOLEE Battery Co., Ltd.
Contact person: Joo Ye
Skype: joo.ye[/FONT]

Hi. Can somebody explain to me -
i had baterries - 12v 10ah (2 hours)(initial corrent - less than 2.0 A), now , i bought a new batteries, the same voltage and ah, just (20hours)(less than 3.0 A). i did charge with my charger - 58v 1.8 A - and thats took 2,5 hours, and the charger signal sad -batteries are full. Can somebody tel me , why , when i charged my old ones- than was around 10 hours - but new 2,5 h ???

Thanks