product description:
Features:Dual battery charging
12V/ 24V auto work
Battery type selection
PWM Charge mode
Digital LED Indicator Light
Temperature compensation
Easy operation with 4 keys
Electronic protection
Over load protection
Short circuit protection
Reverse polarity protection
Over charging or discharging protection
Reverse current protection during night
Specifications :Solar System:12V/24V Auto recognition
Battery Types:Sealed, Flooded, VRLA(GEL, AGM)
Rated Charge & Discharge Current: 20A
Max PV Input Power:240W (12V),480W(24V)
Max Solar Input Voltage: 30V (12V), 55V (24V)
Operating Temperature: -31°F to +131°F
TROUBLESHOOTING Look at the indicator light in the upper left corner of the controller.
1. Indicator light blinking, short circuit, check thePV and battery, and make sure that they are in correct connection
2. Indicator light slowly flashing，fully charged
3. Indicator light ON, on charging
4. Indicator light frequent flashing, with battery, no charging
5. Indicator light OFF, no battery，or over voltage
Package include:1 x 20A Duo Battery Solar Charge Controller
1 x User Manual in English
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