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Lithium mppt solar charge controller cn3722.
Suitable for 2 4 series lithium battery or lithium iron phosphate battery lithium battery 4 2 2 string 8 4v.
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Balance world inc cn3722 mppt solar controller 3 string lithium iron phosphate battery charger 14 99 renogy wanderer 10 amp 12v 24v pwm negative ground solar charge controller regulator compatible with bluetooth module.
Connect the solar panel but don t connect the batteries.
Connect a voltmeter across the battery terminals.
Turn the mppt pot anticlockwise until a voltage reading appears and the led.
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2 4 series lithium battery or lithium iron phosphate battery can be adjusted by external resistance.
First turn the voltage pot fully anti clockwise and turn the mppt pot fully clockwise.
The charge current is set by an external sense resistor r cs across the csp and bat pins.
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