TargetTalk

How must be the first charge of the battery ?
For a new pistol : Must I do a full charge to the battery, before use the pistol?
Thank for your comments
Ramón

With most batteries of various technologies its a good idea to start a new battery with a full charge.

That said if its LiPo its not ideal to store them for long periods fully charged.

Its curious the manual says nothing.

The EVO battery is a single cell Li-Po 3.7v 360mah 1.296wH (LP552036).
Typically Li-Po are shipped with a 40% storage charge.
It can be charged with a micro USB charger, depending on output 10- 50 min to 100%.

Thanks, since its a LiPo charge to 100% on first use, but just before you plan to use it.
Then try not to drop it to zero at any time, and if its going to be stored aim for 50% if you can.

A USB charger is a dumb charger, I can't see from the photo - is there any battery management electronics in there?

Absolutely don't overcharge, always attend when charging, ideally put it in a metal pan.

Some Li-Po cells have a small circuit built in for under and over voltage protection.
For simple Li-Po cells usually this voltage protection is built into the attached trigger circuit board and charger circuit.