Boxed-product Weight: 500 Kg
My Smart Lunar 35 turns itself off repeatedly when going over bumpy roads. To me this looks to be a design flaw where the battery springs/contacts allow a jolt to momentarily break the circuit. When the circuit is brokent the switch sets itself to off. Riding on well lit roads I don't immediately notice the lamp turning off and consider it very dangerous to be riding fast without a front light detering cars pulling out in front of me.