Charging forgot to turn off the switch, directly inserted, and then not bright,, but the charge will bright lights.. Bulb burned out or what? Can you take?
Due to the charging voltage is higher, it is burnt out, LED lights in after the LED can also be used, but more troublesome.
You said you are a lantern fair due to the charging forgot to turn off the switch, could be greatly batteries have gone bad, try to change the battery.
Now small home appliance products, such as LED lamp manufacturer in order to save costs, the internal circuit is very simple, direct is the way of resistance capacitance charging circuit, and probably doesn't even have the battery charge over discharge protection, quality is not guaranteed.
