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Freematics MPPT 400/55 Solar Charge Controller

Freematics MPPT 400/55 Solar Charge Controller
Freematics MPPT 400/55 Solar Charge Controller Freematics MPPT 400/55 Solar Charge Controller Freematics MPPT 400/55 Solar Charge Controller
Brand: Freematics
Product Code: MPPT-400-55
Availability: In Stock
Price: AU$128.56 AU$85.80

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Freematics MPPT 400/55 Charge Controller is a weather-proof MPPT (maximum power point tracking) charge controller that adapts any solar panels (up to 55V) to any types of batteries (10-30V) at optimum performance. Being able to work standalone or in parallel, it is also adaptive to all kinds of scenarios whether for a caravan, a shed, any solar powered facilities, or a large-scale off-grid system.

 

Feature Highlights

  • High performance Maximum Power Point Tracking (MPPT)
  • Outstanding DC-DC conversion efficiency
  • IP66 waterproof, dust-proof, vibration-proof
  • Fan-less natural convection cooling
  • Live display of input/output voltage and current
  • Supporting solar panels with open-circuit voltage up to 55V
  • Supporting any types of battery (10-30V)
  • Over-heating protection and short-circuit protection
  • MC4 connectors or quick-snap connectors

 

Quick Guides

Standalone Mode

In standalone mode, the input of charge controller is connected to one or several solar panels and the output connected to battery. The charger controller is able to output up to 400W power regardless of total capacity of connected solar panels. Since solar panels rarely work at their maximum rating, it is common and safe to connect higher capacity of solar panels to the charge controller to achieve best performance and cost-effectiveness.

Standalone Mode Connection Diagram (necessary isolators not shown)

 

Step 1 – Connecting solar panels

Connect the output of solar panel (normally in MC4 connectors) to the input of the controller (also available with MC4 connectors). To connect multiple solar panels, use MC4 splitters to join multiple pairs of MC4 connectors into one and connect to the charge controller. Be very aware to connect +/- correctly.

Step 2 – Adjusting output voltage

If solar panel outputs enough voltage, the digits on charge controller will light up. Press +/- buttons to adjust the output voltage to the fully charged voltage of the battery and then press OK button to store the value.

Step 3 – Connecting batteries

Connect the +/- of battery to the charge controller and it’s done. Be very aware to connect +/- correctly.

 

Parallel Mode

In parallel mode, each group of solar panels are connected to one charge controller. Output of all charge controllers are connected to the same battery. This allow each group of solar panels to work at their own maximum power point and achieve higher overall efficiency than a single controller.

Parallel Mode Connection Diagram (necessary isolators not shown)

 

Step 1 – Connecting solar panels

Connect the output of each group of solar panel(s) to one charge controller. Be very aware to connect +/- correctly.

Step 2 – Adjusting output voltage

Press +/- buttons to adjust the output voltage of each charge controller to the fully charged voltage of the battery and then press OK button to store the value.

Step 3 – Connecting batteries

Connect the battery +/- lines of each charge controller to the same battery. Be very aware to connect +/- correctly.

 

Specifications

Supported Batteries Any types (lithium, gel, lead acid) with a full charge voltage between 10V and 30V
Input Solar Panel Open-circuit Voltage 21V-55V
Maximum Output Power 400W
Maximum Output Current 15A
Idle Overhead 0.35W
MPPT Conversion Rate 99%
Output Short-circuit Protection Yes
Output Reverse Connection Protection No
Output Under-Voltage Protection Yes
Over-Current Protection Yes
Over-Heating Protection Yes
Waterproof Rating IP66
Enclosure Dimensions 120x80x40mm
Weight 450g

 

Warranty

This product comes with one-year warranty. Please be cautious reversed connection of input could damage the product and will void the warranty.

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