The latest Wisper 575Wh Samsung batteries (rack mounted from June 2015) are installed with the very latest battery technology. These state of the art batteries automatically assist in keeping a battery in perfect condition.
To achieve maximum battery life, it is important that a lithium battery is correctly maintained. All lithium batteries gradually lose capacity and therefore reduce the range of an electric bike. If well maintained a high quality lithium battery will give several years and thousands of miles of good reliable service.
Wisper will guarantee their batteries will not lose more than 30% of it’s capacity within two years of purchase. Consider that when a 575Wh battery has lost 30% of it’s capacity you still have a battery with a 400Wh, this will still offer assistance for longer than a brand new 375Wh battery.