✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Authentic Duoracer Dual Battery Mppt 20a Controller Unlock 35% Savings [d3bpJcRw]

$27.99 $89.99 -69%

DuoRacer Dual Battery MPPT Solar Controller 20A - 12/24VDuoRacer MPPT charge controller is made for charging two batteries at the same time in a solar system. This controller supports multiple battery types, including Sealed, Gel, Flooded, LiFePO4, a

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Authentic Duoracer Dual Battery Mppt 20a Controller Unlock 35% Savings [d3bpJcRw]

DuoRacer Dual Battery MPPT Solar Controller 20A - 12/24V
DuoRacer MPPT charge controller is made for charging two batteries at the same time in a solar system. This controller supports multiple battery types, including Sealed, Gel, Flooded, LiFePO4, and Li-NiCoMn. The device recognizes the start battery system voltage automatically, and trickle charges the battery when the required.
MPPT Solar controllers (Maximum Power Point Tracking) can intelligently regulate the working voltage of solar panels, letting the solar panels always work at Maximum Power Point of V-A curve. Compared with ordinary solar controller, this MPPT controller can increase the efficiency of PV modules by 10% to 30%.
Features
Maximum Power Point Tracking technology with ultra-fast tracking speed and the tracking efficiency is no less than 99.5% guaranteed
Bluetooth (eBox Bluetooth Adapter required)
Advanced MPPT control algorithm to minimize the MPP lost rate and lost time
The wider range of the MPP operation voltage to improve the PV module utilization
Auto control function of charging power & charging current limitation (BATT1)
High quality and low failure rate components of ST, TI and Infineon to ensure the product life.
Digital circuit control of adaptive three-stage charging mode to enhance BATT1 life.
BATT1 type can be set via LED/LCD.
Product runs into the low-power mode when there is no manual operation for a long time, and charging conditions are not satisfied (PV<5V).
100% charging and discharging in operation environmental temperature range.
LED and LCD display units selectable.
Standard Modbus protocol, and RS485 (5V/200mA) communication port for the customer to expand the application area.



What Our Customers Say

January 21, 2026

Absolutely no complaints!

An excellent tool that is made to last a lifetime.

- Floyd F..

January 21, 2026

Absolutely no complaints!

I'm very happy with my awesome and my new product.

- Aneurin W..

January 21, 2026

Absolutely no complaints!

I'm very pleased with the product as a whole entire thing.

- Haf H..

Write a Review

You Might Also Like

Discover more great products from our collection.

Thomson Elite Sattelstütze

Thomson Elite Sattelstütze

(705)
$21.99 $70.99 -69%
Faith - Framed Print

Faith - Framed Print

(901)
$33.99 $108.99 -69%
Midoriya Izuku Deku 3

Midoriya Izuku Deku 3

(927)
$16.99 $54.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY