Safari Expansion Pack (Safari XP) - (2,688Wh, LifePO4)NOTE: NOT COMPATIBLE WITH THE SAFARI ME. When you need to power things longer, the Safari Expansion Pack (Safari XP) gives you 3X the energy storage capacity than the Safari alone. More stored energy 3X the stored energy when you connect the XP expansion pack to the Lion Energy Safari for 4,300Wh total Easy to connect Just plug it into the back of the Safari Maintenance free Retains charge for up to 1 year *Must be used with the Lion Safari to have