Shiner 2440 (SRNE Shiner 2440) is a 40A MPPT solar charge controller for 12V/24V systems, designed to efficiently charge batteries from solar panels. It features high MPPT efficiency (>99%), supports lithium and lead-acid batteries, and includes multiple protection functions with load control and monitoring options, making it ideal for small to medium off-grid solar setups.
25-year warranty on solar panels • 3+ years on accessories
Nationwide delivery available
24/7 customer support