1.12V 12Ah 20Ah Battery is the main lead acid series we use for Electric bikes. 2.Coslight lead acid battery is good at quality control, well-known for stability and durability. 3.Compare with lithium battery, coslight lead acid series have more price advantages as well as over 500 charging lifecycle for each battery group. Ronghao Motor works with Coslight Group directly, and provide 12V 12Ah 20Ah Battery Coslight Lead Acid as well as other different capacity and voltage lead acid batteries. The great advantages of Coslight lead acid battery is the stable and durable quality, what's more compare with other brands, Coslight battery focus on lead acid battery for over 20 years. Established in 1994, Coslight is also the first battery company who listed in Hong Kong in 1999. We provide a range of lead acid battery from 36V 12Ah /60V20Ah to 72V45Ah for Electric Motorcycles/ Electric Scooters/ Electric Bike and Electric Tricycles.