Choose and buy must to normal manufacturer to large solar lights production base
solar light to prevent the battery form overcharge and over discharge,
prolong the service life of the accumulator
Second: prevent the battery reverse polarity.
Third:to prevent the load, controller, inverter and other equipment internal short circuit.
Fourth: with protection against lightning caused breakdown.
Fifth: with temperature compensation function.
Advantages: without laying cables,without AC power supply does not generate electricity ;
DC power supply is adopted,control.with good stability,long service life,high safety
performance energy saving, environmental protection , economical and practical advantages 2200power,work for 5 hours or so.