Flexcharge PV7D Charge Controller 7A - 12V


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Product information

The PV7D charge controller from Flexcharge con be connected to Dual and Single battery banks. It is a cost effective shunting regulator designed for smaller 12V solar only applications with a maximum solar charging current of 7A. The design of these charge controllers is extremely efficient, accurate, salt water spray resistant, and very small (1.5" x 2").  It is Ideal for use in a marine environment.

Use with Lead Acid AGM or Gel battery technologies. No heat sink is required on the PV7D because almost no heat that is generated in the high efficiency solid state components. The PV7D includes an easy to read Charge Indicator.

The peak charge voltage is factory set so there are no user adjustments to contend with working with all lead acid battery types.  System wire connections are made by connecting to the controllers four wire pigtails, either by soldering or on a owner supplied terminal strip. The PV7D is designed for install and forget about it!

Features of the Flexcharge PV7D 7A/12V Charge Controller:
- Cost Effective charge controller for Photovoltaic charging sources.
- Reverse polarity protected (Must have Fuse installed)
- Precision Auto assembled using proven Surface Mount Technology
- Hermetically sealed / potted electronics for use in high humidity and salt air environments.
- High efficiency components allows packaging in a very small enclosure.
- All Solid State Design for extra long life and dependability.
- Factory Calibrated for charging lead acid Flooded cell, AGM, and GEL battery technologies.  No user adjustments.
- Full 2 year repair or replacement warranty.
- Charging Indicator displays when the controller is passing charging current to the battery.
- Controller's circuitry eliminates back flow of current into solar panels during non charging periods.

Download datasheet

Flexcharge PV17D Controller

User and installation manual for Flexcharge PV17D Charge Controller

Download datasheet
Sizing guide

Quick guide for selecting the right charge controller

Each time you charge deep cycle batteries with solar panels, it's necessary to use a charge controller in the circuit to protect the battery from over charging, and in some instances from over discharging. The only exception is when using solar panels smaller than 5W. Choosing the most suitable charge controller is simple and only requires two steps:

Step 1 - Voltage selection
Select a charge controller that is compatible with the system voltage. The standard configurations are 12, 24, and 48 volts. If you are wiring your batteries for 24 volts you need a charge controller that is rated at 24 volts.

Some controllers are voltage specific, meaning that the voltage cannot be changed or substituted. Other more sophisticated controllers include a voltage auto-detect feature, which allows it to be used with different voltage settings.

Step 2 - Current capacity

Select a charge controller that can handle the maximum output current of the solar panel (or solar array). The maximum possible current that a PV panel can generate is the “short circuit current,” indicated as Isc in the panel’s label or specs sheet.

It’s recommended to include a safety factor for isolated events as well. For example, a solar panel with a Isc of 7.89 amp could potentially produce an extra 25% on a sunny day with very clear snow pack. (additional light reflected off the snow). This results in a possible maximum of 9.86 amp (7.89 x 1.25 = 9.86 amp). In this case, a 10 amp charge controller would be recommended.

Below you will find a quick guide to choosing the proper charge controller for several popular solar panel sizes.

12V olar panels 5W - 45W
Phocos CM 04 Charge Controller 4A, 12V

12V solar panels up to 70W
Flexcharge PV7D Charge Controller 7A - 12V

12V solar panels up to 120W
Phocos CM 10 Charge Controller 10A, 12V
Phocos CMLup 10 Charge Controller 12/24V, 10A
Phocos ECO 10 Charge Controller 10A, 12V
Phocos ECO-N-10-T Charge Controller 10A, 12/24V

12V solar panels up to 160W
Flexcharge NC25A Charge Controller 25A – 12V
Phocos CMLup 20 Charge Controller 12/24V, 20A
Phocos ECO-N-20-T Charge Controller 10A, 12/24V

12V solar panels up to 160W
Flexcharge NC25A Charge Controller 25A – 24V
Phocos CMLup 10 Charge Controller 12/24V, 10A
Phocos ECO-N-10-T Charge Controller 10A, 12/24V

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