How to Make a Battery Charger, Using DC to DC Buck Converter

This video shows how to build a low cost DIY 1.2V to 19.5V, 300W constant current and constant voltage Battery Charger, for only $12. This charger design uses a commercial off the shelf DC-DC buck converter to regulate both the charging current and charging voltage thereby making this a universal charger, in the sense that it can be used to recharge various types of battery chemistries or designs such as, Lithium Phosphate, Lithium-ion, Lead-acid, AGM, and many more. Home power supply, and battery charger, using a buck converter. Home battery charger, using a buck converter Used Products: Constant current and constant voltage buck converter: https://www.amazon.com/dp/B0B1CR2BNV?... Used laptop power supply: https://www.ebay.com/sch/i.html?_from... RELEVANT COMPONENTS: Affiliate links 20A 300W CC CV Step Down Module Adjustable DC 6-40V to 1.2-36V Voltage Regulator Buck Converter Constant Current Power: https://amzn.to/3WhGvH4 EPEVER 20A Solar Charge Controller MPPT 12V / 24V Auto Max.PV 100V Input: https://amzn.to/3y4h7KP 1500W DC to DC Boost Converter: https://amzn.to/4a0GASD Power Inductor: https://amzn.to/44rjPpC 22 Gauge Copper Inductor Wire: https://amzn.to/3UIrwVx 12V 750W Server Power Supplies: https://amzn.to/3Wn5KaO Kaiweets Smart Digital Clamp Meter: https://amzn.to/3UF4gro 0 to 300V, 0 to 100A, DC Digital Power Monitor: https://amzn.to/4djjZnd 48V 1000W Water Heater-Test Load: https://amzn.to/3UKHBtS Rotating Display: https://amzn.to/3UGcC1I 6 Gauge High Current Silicone Wires: https://amzn.to/3UGoRLJ Big Aluminum Heat Sink: https://amzn.to/44mTl8K 100A Circuit Breaker: https://amzn.to/3y95xxS 60A Circuit Breaker: https://amzn.to/4doyBS6