ACOPOWER PWM20A, Product Introduction

3×40W

2. Charge your 12 Volt battery 

The solar panel kit is designed to charge a large range of batteries including Sealed, Flooded, GEL, 
AGM, Lithium, lead-acid battery and other deep cycle battery. The batteries are used as car battery, 
RV battery, boat battery and emergency back-up battery. 

    Step 1: understand your battery:  battery type, capacity and voltage 
    Step 2: check the charge controller’s set up. We have defaulted the setting of the charge 

controller is for SEALED. (AGM is also included in SEALED type.) If your battery’s type is different, 

please set your battery type with the charge controller following the instructions below.

The battery type setting method (on charge controller)

Press and hold the program button for more than 5 seconds, the battery indicator LED1, LED2, 
LED3 will flash accordingly. Press the button again to set up the exact battery type, after the 

selection, wait 5 seconds, no flashing lights means battery setting is completed, the specific 
content of the following table indicates

Sealed Lead Acid Battery (Sealed) 

Colloidal lead-acid batteries(Gel)

Opening lead-acid batteries(Flooded)

   LED1            LED2            LED3                                   Battery Type  

○

×

×

○

×

○

○

○

○

       Note: "○" means lights on "×" means lights off

Lead-acid Battery 

Lithium

Battery