Question about Petzl Nao

For lithium-ion batteries, there is no standard "battery" format. The format resembles a battery, but the dimensions are different (Samsung brand, built-in 3-wire plug). However, the battery is easily replaceable by the user without tools.
The lamp is equipped with white LEDs, so there is no red light.

For lithium-ion batteries there is no "battery" format. The format resembles a battery but the dimensions are different. However, the battery can be replaced by the user without tools.
The lamp is equipped with white LEDs, so there is no red light.

As this is a lithium-ion battery, there is no standard battery format. However, the battery can be replaced by the user without tools. The format is similar to a battery but not the same size.
The lamp is equipped with white LEDs, so there is no red light. PhM

It is a Lithium-ion battery 3.7 V 2600 mAh 9.62 Wh
Red light? I don't understand the question. There is a green bar graph with 3 sectors to indicate the charge of the battery when the lamp is switched on.