How to Charge 2 12V Batteries in Series: Complete 2024 Guide

You know, connecting two 12V batteries in series seems straightforward - just link positive to negative, right? But here's the kicker: series charging introduces unique voltage challenges that 38% of DIY enthusiasts overlook according to a 2023 Battery Council International report. Let's cut through the confusion. [2023-07-26 02:55]