Automatic Solar Street Light Controller

Model

DM120

Supported battery

Lithium batteries and lead-acid batteries (including gel) are both types of rechargeable batteries commonly used in various applications. These two battery technologies have their own unique characteristics and advantages.
Lead-acid batteries, including gel batteries, have been around for a long time and are widely used due to their low cost and reliability. They consist of lead plates submerged in an electrolyte solution, typically sulfuric acid. Gel batteries, a type of lead-acid battery, have a thickening agent added to their electrolyte, which makes them more resistant to spills and leaks. This gel-like electrolyte also prevents the formation of sulfuric acid sludge and reduces the risk of internal corrosion.
On the other hand, lithium batteries have gained popularity in recent years due to their lightweight, high energy density, and long lifespan. Unlike lead-acid batteries, lithium batteries use lithium compounds as their electrode material. They offer a higher charge-discharge efficiency, allowing for more energy storage in a smaller and lighter package. These batteries are commonly used in portable electronic devices, electric vehicles, and renewable energy systems.
While both battery technologies have their advantages, there are some key differences between them. Lithium batteries have a higher energy density and can deliver a higher voltage per cell compared to lead-acid batteries. This means that lithium batteries can store more energy and deliver power more efficiently. Lead-acid batteries, on the other hand, are better suited for applications that require a large amount of power for a short duration, such as starting an engine or providing backup power in an emergency.
Another important difference is the cycle life of the batteries. Lithium batteries generally have a longer cycle life and can be charged and discharged more times compared to lead-acid batteries. This means that lithium batteries can last longer and provide reliable power over a longer period of time. Lead-acid batteries, on the other hand, may require more frequent maintenance and need to be replaced more often.
In terms of safety, both technologies have their own considerations. Lead-acid batteries contain hazardous materials, such as lead and sulfuric acid, which can be harmful to the environment if not properly handled or disposed of. On the other hand, lithium batteries can be prone to thermal runaway, a condition in which the battery overheats and may catch fire or explode. However, advancements in lithium battery technology have significantly improved their safety features, making them more reliable and safer to use.
In conclusion, both lead-acid batteries (including gel batteries) and lithium batteries have their own advantages and are suitable for different applications. Lead-acid batteries are cost-effective and reliable, while lithium batteries offer a higher energy density and longer lifespan. The choice between these battery technologies ultimately depends on the specific requirements and constraints of the intended application.

Battery voltage

12V

24V

Battery voltage range

7V~32V

Charge current

10A

Limited charge current

Solar panel power

130W

260W

Solar input voltage

17V~48V

34V~48V

Circuit efficiency

≤95%

≤97%

Voc of solar panel

<60V

MPPT tracking efficiency

>99%

Limited Charge voltage

15.5V;×2/24V

Over voltage protection

17.0V;×2/24V

Over-discharge voltage

7.5V~15.5V;×2/24V

Max load power

60W

120W

Output voltage range

15V~60V

30V~60V

Output current range

70~3960 mA

Output current accuracy

±5% or ±30mA

Light control voltage

5V~15V;×2/24V

Working temperature

-40℃ ~ +60℃

Weight

280g

Product dimension

100×82×20(mm)

Protection

1.IP68 degree;
2. PV and Battery reverse connection;
3. internal overheat;
4.PV over voltage, short circuit;
5.charge,discharge over load;
6.Anti converse charge at night;
7.TVS protection to PV.
8. Load short circuit, open circuit ;
9. Battery open circuit