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Change the default setting of solar controller, requires:
1. Disconnect the solar panel
2. ensure the remain voltage of battery no less than 12V

Note:
<1>Please keep it in cool and well ventilated place to maintain good heat dissipation
<2>the regulator is only suitable for lead acid batteries: OPEN, AGM, GEL, not for nickel hydride, lithium, ions, or other batteries.
<3>Make sure your battery has enough voltage for the controller to recognize the battery before first installation.
<4>Indoor use only: the working temperature of this controller is -35°C to +60°C, during hot sunny days, the temperature outside might go up to 60-75°C. <5>When the battery voltage is too low, the controller will stop output(≦ 8V, controller turn off itself, LCD is blank,≦ 10.7V, 12Voutput ports are not available); after the solar panels charging, the battery will return to 12.6 V. It is a natural to output.

Specification:
*Voltage: DC 12V/24V
*Self-consuming: 10mA
*Rated Charge Current: 20A
*Rated Load Current: 20A
*Over Charge Protection: 14.4V/28.8V
*Over Charge Floating Charge: 13.7V/27.4V
*Charge Recover Voltage: 12.6V/25.2V
*Over Discharge Protection: 10.7V/21.4V
*Over Discharge Recover: 12.6V/25.2V
*USB Output: 5V/3A
*Operating Temperature: -35℃-60℃
*Size:150 * 78 * 35mm / 5.9 * 3 * 1.4in

Warm Tips: Wire Range 26-12 AWG
Package List:
1 * Solar Charge Controller
1 * User's Manual
Warranty: 18-month product guarantee from ALLPOWERS

ASIN	B01MU0WMGT
Best Sellers Rank	#450,700 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #506 in Renewable Energy Controllers
Customer Reviews	4.2 4.2 out of 5 stars (2,225)
Display Type	LCD
Is Discontinued By Manufacturer	No
Item Weight	5.6 ounces
Item model number	FBA_AP-OT-002-BBLU
Manufacturer	ALLPOWERS
Product Dimensions	5.91 x 3.07 x 1.38 inches

ALLPOWERS 20A Solar Charger Controller Solar Panel Battery Intelligent Regulator with USB Port Display 12V/24V

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