Epsolar LS0512 Instruction Manual page 8

The controller is for off-grid solar system, especially in solar light
system, and protects the battery from being over charged by the solar
module and over discharged by the loads. The charging process has
been optimized for long battery life and improved system performance.
The comprehensive self-diagnostics and electronic protection
functions can prevent damage from installation mistakes or system
faults.
Though the controller is easy to operate and use, please take your time
to read this manual and become familiar with it. This will help you
make full use of all the functions and improve your solar PV system.
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