Being a popular automobile battery brand, we are engaged as manufacturer and exporter of Economical Electric Bike Battery in Ganzhou, Jiangxi, China. - Long Voyage Ability: The discharge time of YONGHE Battery is prolonged. Active additive has been added in positive plate, so as to good consistency of the formated active material. - Low Self-discharge Rate :use high quality alloy plate grid ,ultra pure electrolyte,small self-discharge rate . - Long Cycle Life: With high sealed reaction efficiency and long lifetime ,The YONGHE battery has excellent cycle life which can easily reach more than 360 cycles if itâs normally used at temperate of 25 degree.With correct use and maintenance care ,cycle life can reach above 650 cycles. - High Reliability and Safety: unique design of the safety cover, long life operation and superior safety performance. - Fully Sealed Leak-proof Structure: the battery can be in any direction(except upside down). - Optimized Design: sealed valve-regulated design. With good maintenance care, it can extend the lifetime of 50% -100% or more. - Recommended Charge Method: intelligent three-stage charging.