WindRunner™ self-balancing electric vehicle user’s manual717.3.2 Improve the cycle life of the battery pack Lithium battery packs may emit gases when working, so the battery pack can’t be completely sealed. Avoiddropping into water, and do not immerse the battery pack in water. If you have to pass a water pit, please be sureto: Make sure the maximum depth of water pit is not more than 3 cm; Try to speed down and slowly pass to avoid splashing of water. After you have passed the water pit, try to leach and dry by inclining the WindRunner forward and backwardrespectively for about Ten seconds. Avoid using WindRunner under -10℃ or above 40℃. Do not put the battery pack directly under the sunlight. Please store the WindRunner at a dry and place to keep the battery dry and clean. Please full charge the battery when: The battery is near empty or the 5 LEDs on the display panel blink rapidly, even whenpowered off with remote key (that shows the battery is near over-discharge) You will not use the WindRunner more than 1 week and less than 3 weeks You want to transport the WindRunner and the shipping may take 1~3 weeks Please full charge and dismount the 2 battery packs, store them at dry / cool place when: