![Amazon.com: Digipartspower AC Power Adapter Compatible with Stanley Simple Start Car Battery Jump Starter P2G7S Charger : Automotive Amazon.com: Digipartspower AC Power Adapter Compatible with Stanley Simple Start Car Battery Jump Starter P2G7S Charger : Automotive](https://m.media-amazon.com/images/I/61Ju8Kh9WuL.jpg)
Amazon.com: Digipartspower AC Power Adapter Compatible with Stanley Simple Start Car Battery Jump Starter P2G7S Charger : Automotive
![Schumacher Electric 8-Amp 6/12-Volt Car Battery Charger in the Car Battery Chargers department at Lowes.com Schumacher Electric 8-Amp 6/12-Volt Car Battery Charger in the Car Battery Chargers department at Lowes.com](https://mobileimages.lowes.com/productimages/f0f64aed-df64-41aa-b6a8-6dda59d4e58e/49820262.jpg)
Schumacher Electric 8-Amp 6/12-Volt Car Battery Charger in the Car Battery Chargers department at Lowes.com
How did old school car battery chargers know when to stop charging when they only had a tranformer and a rectifier? Unless I didnt see everything or parts were missing, thats all
![Amazon.com: Car Battery Maintainer, Lithium Battery Charger 90-265V AC Multifunctional High Efficiency for Automotive Applications (US Plug) : Automotive Amazon.com: Car Battery Maintainer, Lithium Battery Charger 90-265V AC Multifunctional High Efficiency for Automotive Applications (US Plug) : Automotive](https://m.media-amazon.com/images/I/71ojsI56cRL.jpg)