Designed for the most demanding riders, looking for higher and safer performance, faster acceleration, highly reduced weight and much longer battery life. The very low self-discharge provide the possibility to start an engine after a very long period of storage, even in very cold temperature conditions. Available in several common sizes.
| Style | Ah/10h CCA | Length | Width | Height |
| BS-Li01 | 2 / 140 | 86mm | 48mm | 90mm |
| BS-Li02 | 2 / 140 | 140mm | 56mm | 85mm |
| BS-Li03 | 3 / 211 | 134mm | 65mm | 92mm |