Compactly 2S Battery Boosting Charging Board with Protections for Portable Energy Storage Devices

protections for input over / undered voltages, output over current / over voltages / short circuit, and optional temperature detection to overcharging and overheating risks Industrial Design: Measures just 31×15.1×4.5mm with double Type C / corded inputs and red / blue LED indicators for power / charging / error display, ideal for and portable energy storage Double Mode Compatibility: Supports both 2S ( 8.4V) and 3S ( 12.6V) battery packs with easy mode switching via solder jumpers and resistor Adjustable Parameters: Customize charging current ( 0.5A 1.5A) via resistor replacement, set cutoff voltages per RVSET table, and configure timeouts protections ( 4 24 hours) for battery types Efficient Fast Charging: Utilizes 15W synchronous boosting technology with 94% efficiency, Type C fast charging supported, and auto adjusting input voltages to reduce charging time