NIMH or lithium for ordinary led camping lamp (design of battery power supply) will damage the LED?
As long as the voltage of the battery is in line with the voltage of the LED lamp, it can be used directly. The battery voltage is not more than 10%, or it can be used. More than 10%, the current limiting resistor should be added to solve the problem. What the power supply requires is the voltage to match, and what kind of battery can be used.
Again, as long as the original design is using batteries, the voltage is consistent, you can use what kind of battery can be, without any impact, but if the battery capacity is too small, it will not light too long.
Battery capacity refers to its ampere hour A.h or ma.h number