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How to judge the fault of rechargeable flashlight
You can use a multimeter, pointer multimeter, digital multimeter, and check the voltage at both ends of the battery using the DC voltage range.
02
2022
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09
How to charge the rechargeable strong light flashlight
Put the battery into the special charging box, and align the positive and negative poles of the battery with the positive and negative poles of the battery box when placing the battery, otherwise it will not be charged.
31
08
Reasons why it is recommended to choose a strong light flashlight with LED light source
The light source of strong light flashlight has experienced three eras of incandescent lamp, fluorescent lamp and energy-saving lamp.
29
Standard regulations for the setting of exit signs
Exit sign lights should be set above the entrance to the front room of open stairwells, closed stairwells, smoke-proof stairwells, and smoke-proof stairwells;
25
Requirements for safety exit indicators
No need to wait, pick up and light up: in emergency, no switch, no hand cranking, no need to learn, pick up and light up automatically.
23
Daily maintenance requirements for fire emergency power supply
The fire protection industry requires that the ambient temperature of the battery equipped with EPS is not higher than 30 ℃,
19
