This module has advanced quality...
Charge Controller Module for Batteries 12-24 V with Protection
The Energizer Maxi improved charger features an easily recognizable, changing light color that clearly shows at what stage the batteries are being charged.
The Energizer charger is ideal for charging the batteries. It offers four independent channels, so you can charge up to four batteries at the same time.
This product is a battery charger of several types, according to the technical characteristics. It is useful for charging the batteries you use in your innovative projects or as part of a variety of airplane models, navomods or remote control machines.