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Links to the modules. Please note that products and prices are constantly changing: Voltage booster: https://es.aliexpress.com/item/250W-D... Charge controller: https://es.aliexpress.com/store/produ... In a previous video we built a battery charger with an ATX PC power supply. Then many subscribers and friends of the channel suggested me to incorporate a small charge controller, to make a more complete charger. Well, here you have it, a battery charger built with an old ATX power supply and a charge controller module. A project that you can do for very little money and that will allow you to keep your vehicle's battery always ready.