cheep scooter battery computer-designed lead,calcium,tin alloy grid OEM is availbale have CE certificate High quality MF 12V30AH cheep scooter battery 1, long service life: under normal use, TLseries floating design life up to 12 years.2, self-discharge rate is extremely low: in 25 °C at ambient temperature, static buy 28 days, self-discharge rate is less than 1.8%.3, capacity sufficient: ensure ...