Batteries in Series and Batteries in Parallel | Electrical4U
Amazon.com: power queen 2 Pack 12.8V 100Ah LiFePO4 Battery, Built-in 100A BMS, Lithium Battery 2560Wh, Up to 15000+ Cycles, Support in Series/Parallel, widely Used for Solar Home System, RV, Off-Grid Life :
Hack That Battery Pack! ( Also, a Small Lesson in Series, Parallel, and Series-parallel) : 4 Steps - Instructables
Battery configurations (series and parallel) and their protections
battery-pack-wiring.jpg
How To Connect Batteries In Series & Parallel - Power Sonic
Battery configurations (series and parallel) and their protections