Overview
A small solar charge controller for IoT devices in the field where mains power is not available. Field instruments can be made fully solar powered using this charge controller. Battery may also be installed inside IP-67 enclosure for protection from rain and dust. The charge controller with battery acts as power backup device with is 100% powered using solar energy. LED indications are provided to display battery charging, DC load, and faults. It is a plug and play system and requires minimum setup time in field. The charge controller incorporates all protections including reverse battery, reverse PV, overload, short-circuit, etc. to reduce field failures.
Why Choose the CC-for-IoT?
Cost-Effective Solution: Low cost solution for powering remote monitoring IoT devices.
Convenient Power Source: Perfect for providing power to 12V DC equipments in remote locations.
Rugged design: Complete protection from dust and rain. IP65 enclosure houses the charge controller and Lithium battery pack.
Key Features
- MPPT Based Design: Ensures highest power yield with zero voltage drop.
- Precision Battery Charging: Extends battery life with intelligent charging modes.
- Multiple Battery Compatibility: Can support Lead-acid, Li-ion, and LiFePO4 battery types.
- High DC Load Capacity: Can continuously power up to 100W DC load.
Where Can It Be Used?
- Remote locations: Reliable and rugged solar based solution for power backup.
- Weather monitoring: Can act as a stand alone power source for various sensors.
- Small Solar Systems: Ideal for setups requiring up to 8A charging capacity.
Why Systellar Innovations?
As a leader in solar technology, we offer:
- High-Quality Design: Built with precision for reliable performance.
- Custom Solutions: Tailored to meet your unique energy needs.
- Affordable Pricing: Delivering value without compromising on quality.
Freedom with Solar power!
Power your DC equipment in remote locations using Systellar solar charge controller for IoT devices. Contact us now for more information.
Call: +91-9568004455
Email: info@systellar.in
Technical Specifications
| Make | Systellar Innovations |
| Model | CC_FOR_IOT |
| Application | Outdoor |
| Solar Panel Input | |
| Max rated power: | 20W / 75W / 120W |
| Max V_oc: | 20V – 22V |
| Battery Specifications | |
| Battery Chemistry: | Lead-acid / Li-ion / LiFePO4 (factory set) |
| Nominal Voltage: | 12.8V |
| Load Output | |
| Load Voltage: | Same as Battery voltage |
| Load Max Current: | 2A / 5A / 8A |
| Overload cutoff: | Yes (Within 100usec) |
| Overload reconnect: | After 30 seconds |
| Low batt load Cutoff Voltage: | 12.0V (+/- 0.2V) |
| Low batt load reconnect Voltage: | 12.8V (+/-0.2V) |
| Load Supply Efficiency: | > 98% |
| Solar Panel voltage measurement signal | |
| Range: | 1V to 5V |
| V_sp signal max Output current: | 10mA |
| Source Impedance: | 100 Ohm |
| At V_sp 0V V_sp_sense_sig: | 1V |
| At V_sp 24V V_sp_sense_sig: | 5V |
| Use Following Equation for calc: | V_sp_sense_signal = (PV Voltage / 6) + 1 |
| Battery voltage measurement signal | |
| Range: | 1V to 5V |
| V_batt signal max Output current: | 10mA |
| Source Impedance: | 100 Ohm |
| At V_batt 0V V_batt_sense_sig: | 1V |
| At V_batt 16V V_batt_sense_sig: | 5V |
| Use following equation for calc: | V_batt_sense_signal = (Batt Voltage / 4) + 1 |
| Note: If battery is disconnected then V_batt_sense_signal is 0V at night | |
| Charging Methodology | |
| Conversion technology: | MPPT (Maximum Power point tracking) |
| Charging Mode: | CC-CV |
| CC Mode: (During battery charging) Charges the battery with the maximum constant current available from the solar panel till battery voltage < 13.80V, I_chg tapers off to 0A as V_batt rises to 14.2V | |
| CV Mode: (Once battery gets fully charged) Charges the battery with the required current to maintain it to 14.2V | |
| Charging Efficiency: | >= 91% |
| Protections: | |
| Solar Panel Reverse protection | |
| Battery Reverse protection | |
| Battery Overcharging protection | |
| Battery Deep discharge protection | |
| Surge Protection | |
| Load short circuit protection | |
| Open circuit protection | |
| Charge controller dynamically adjusts Maximum power point to extract the maximum possible power available from the solar panel under all weather conditions. | |
| 2 year manufacturer warranty | |
| ISO 9001:2015 (company-wide) · Made in India | |
LED Indications
The front-panel LEDs show the live status of the controller using blink patterns. Use the chart below to interpret them at a glance.
| LED | Pattern | Meaning |
|---|---|---|
| Green — Charging | 1 blink every 5 sec | Battery connected, not charging |
| Green — Charging | 1 blink every 2 sec | Charging current ≤ 0.25 A |
| Green — Charging | 2 blinks every 2 sec | Charging current > 0.25 A |
| Green — Charging | Solid on | Battery fully charged |
| Green — Charging | Off | Battery disconnected / fully discharged at night |
| Yellow — Low battery | 1 blink every 2 sec | Low battery |
| Red — Fault / protection | 250 ms on / 250 ms off | Battery connected in reverse |
| Red — Fault / protection | 2 blinks every 2 sec | Load overload shut-off |
| Red — Fault / protection | Solid on | Battery high-voltage cut — turns off once battery voltage drops below 14.2V ±0.2V |
Frequently Asked Questions (FAQ)
What is the CC-for-IoT solar charge controller?
It is a small MPPT solar charge controller designed to power IoT and field instruments in remote locations where mains power is not available. Together with a battery it acts as a 100% solar-powered backup supply.
What charging and load capacity does it offer?
It is ideal for setups requiring up to 8A charging current and can continuously power up to 100W of DC load.
Is it protected from rain and dust?
Yes. The charge controller and lithium battery pack are housed in a rugged IP65/IP67 enclosure, so the battery can be installed outdoors with full protection from rain and dust.
Which battery types does it support?
It supports Lead-acid, Li-ion and LiFePO4 batteries, with MPPT-based precision charging for the highest power yield and zero voltage drop.
Where is it typically used?
It is used for remote field instruments, weather and environmental monitoring sensors, and other small solar systems that need reliable, unattended power backup.
Is it easy to install?
Yes. It is a plug-and-play system that requires minimal setup time in the field, with LED indications for battery charging, DC load and faults, plus full protection against reverse battery, reverse PV, overload and short-circuit.
Note: product specifications are subject to change for continuous product enhancement. Please contact Systellar for the latest specifications.