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Rechargeable Study Table Lamp Three Dimming


100% brand new
Voltage Input: DC 5V
Power Output: 0.6W~4.2W
Acessories: USB Power Cord
Battery Voltage: 4.2V
Voltage Output: DC 5V~12V
Executive Standard: GB7000.204-2008

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When charging, the power cable products dedicated charging port, then connect the USB plug USB port, charging about 5 hours.
In use process, when the LED bulbs is faded, battery safety discharge, at this time, to protect the battery, should stop using, and charging in a timely manner. ( Must charge before completely discharge, otherwise the battery is easy to damage. )
Lamps should often charge use, please don’t longtime shelve. if not often use, please every store three months a supplement electricity for about 5 hours, otherwise it will reduce battery life.
Products use lithium battery 18650, more environmental protection and durable.