HT-K20-10A MPPT Positve Grounding Solar Charge Controller 8V-32V
HT-K20-10A MPPT Positve Grounding Solar Charge Controller 8V-32V
Product Description
A solar charge controller, also known as a solar regulator, is a device used in solar energy systems to regulate and control the charging of batteries from solar panels. Its primary function is to prevent overcharging or overdischarging of the batteries, ensuring optimal charging and extending their lifespan. Here are some key points about solar charge controllers:
Charging regulation: Solar charge controllers monitor the voltage and current from the solar panels and regulate the charging process to ensure the batteries receive the appropriate amount of charge. They prevent overcharging by reducing or stopping the charging current when the battery reaches its maximum voltage level.
- Battery protection: Solar charge controllers protect batteries from overdischarging by disconnecting the load from the battery when its voltage drops to a critical level. This prevents damage to the battery and extends its lifespan. Some advanced charge controllers also offer features like temperature compensation to optimize charging based on environmental conditions.
- System monitoring: Many solar charge controllers come with built-in monitoring capabilities to display important system parameters such as battery voltage, charging current, solar panel output, and overall system performance. This allows users to keep track of their system's operation and troubleshoot any issues.
- Load control: Some solar charge controllers have load control functionality, allowing them to directly power DC loads such as lights, fans, or small appliances. They can automatically turn on or off the connected loads based on the battery's state of charge, ensuring efficient utilization of stored energy.
- Multiple charging stages: Advanced charge controllers offer multiple charging stages, typically known as bulk, absorption, and float stages. Each stage optimizes the charging process to ensure efficient and complete charging of the batteries. These stages vary the charging voltage and current based on the battery's state of charge.
- Compatibility: Solar charge controllers are designed to work with specific battery chemistries, such as lead-acid (including flooded, gel, and AGM) or lithium-ion. It's important to choose a charge controller that is compatible with the battery type used in the solar energy system to ensure proper charging and battery protection.

| SOLAR CHARGE CONTROLLER | ||||
| Model | HT-K20-10A | HT-K20-20A | HT-K20-30A | HT-K20-40A |
| Nominal system voltage | 12/24V 12/24VDC/Auto | |||
| Rated charge/discharge current | 10A | 20A | 30A | 40A |
| Rated load current | 10A | 20A | 30A | 40A |
| Battery input voltage range | 8V-32V | |||
| Max. PV open circuit voltage | 100V(At minimum operating environment temperature),92V(25ºCAt 25°C environment temperature | |||
Max PV input power |
12V130W | 12V260W | 12V390W | 12V520W |
| 24V260W | 24V520W | 24V780W | 24V1040W | |
| Equalization Charging Voltage | seal:14.6V,flooded:14.8V | |||
| Boost voltage | Gel:14.2V, seal:14.4V,flooded:14.6V | |||
| Float voltage | 13.8V | |||
| Low voltage reconnect voltage | 12.6V | |||
| Low voltage disconnect voltage | 11.1V | |||
| Self-consumption | ≤20mA(12V);≤16mA(24V) | |||
| Grounding | Positve | |||
| Temperature compensation | -3mV/ºC/2V | |||
| Dimensions(LxWxH)(mm) | 172x139x44mm | 220x154x52mm | 228x164x55mm | 252x180x63mm |
| Net weight | 0.6KG | 1.1KG | 1.2KG | 1.9KG |
| Protection Degree | IP30 | |||
| Operating temperature range | -25ºC~+45ºC | |||



FAQ
A :We are a professional Solar Panels Manufacturer in China
2.How can we guarantee the products quality?
A :Always provide the esteemed buyer a pre-production sample before mass production; Always testing every product before despatching the shipments;
3.What products we can supply you?
A :Solar panels,inverter,controller,cable,support frame and other solar power systems
4. Q: Can the products pricing be cheaper?
A :Of course, you will be offered a a very good discount with large quantities.
5.. Q: Can print our company's logo on the pv panels?
A :Yes! And we accept the OEM&ODM orders.
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