Generally, lithium batteries will have a protective plate that will protect the positive and negative poles from short circuits and will not burn. If it burns, then there is no skid plate or the skid plate is. too low, so first check if each battery cell has zero voltage. If so, check it out. Otherwise, simply replace the protective panel.
What's wrong with Ouyilan's high-power dual lithium-ion headlamp that is overcharged and won't turn on?
1. First, loosen the back of the waterproof Qiduo. Bright lithium-ion headlamp. White plastic retaining nut.
2. Then follow the force and grab the space on the back of the headlight with one hand and pull it forward. At the same time, the other hand also follows the force and grasps the front of the headlight. headlight or the fixing screw and also press forward. The light can be repulled with some force.
3. Finally, remove the rubber waterproof cover, loosen the steel wire holding the H7 low beam, remove the bulb, use a flathead screwdriver to pry up the wiring harness interface to loosen the interface, and then remove the large lamp.
Check the following: 1. Is the main switch broken? 2. Is there an open circuit or poor contact in the line from the main switch to the light bulb? 3. Since you suspect there is a leak, check and treat the leak, then turn on the switch and try. 4If it still doesn't work, check if the bulb is...