30 HOURS WORKING IN LOW MODESTEP LESS FAN SPEED/BOTH AC AND DC POWER SUPPLYLIGHT BRIGHTNESS ADJUSTABLECHARGING DURATION 12-15 HOURSFREE MAINTENANCE LEAD ACID BATTERY 12/7AH40 HOUR LED LIGHT SPEED AND 30 HOUR IN LOW SPEEDAC CHARGING INDICATOR,AUTOMATIC OVER CHARGE PROTECTION13 POWERFUL LEDSDC 12V MOTORAC 220V-240V 50/60HZ


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