Question 1

How does BMS prevent overcharging?

Accepted Answer

The main job of a Battery management system (BMS) is to stop batteries from being overcharged. It does this by constantly checking the voltage of each cell in real time. If any cell goes above its safe voltage limit, the system stops or limits the charging circuit right away. Charging is very likely to go wrong without BMS protection. This is like charging regular household rechargeable batteries: if you use an input voltage that is too high, even after the cells have reached their rated full-charge voltage, regular chargers, which usually only recognize the total voltage of the whole battery pack, will keep sending current into the cells. However, having a BMS in place adds another layer of safety; even if the charger stays on, the BMS can proactively cut off the charging current, thereby preventing premature cell degradation while simultaneously eliminating the risks associated with dangerous heat accumulation and other safety hazards. For the discharge, it works in a similar way.

Question 2

What is a solar street light controller?

Accepted Answer

A solar street light controller is the core component of a solar street lighting system. It acts as the "brain," managing the flow of energy between the solar panel, the battery, and the LED light. Its primary functions include charge and discharge management, light control (via a photoresistor) and/or timer switching. It also incorporates the protective features introduced in this article—including protection against overcharging and over-discharging, temperature compensation, and load short-circuit protection—thereby ensuring the safe and stable operation of the system.

Question 3

What‘s intelligent power mode high, middle or low?

Accepted Answer

The controller can select an intelligent power mode based on factors such as actual battery capacity and the frequency of rainy days. The specific intelligent power modes include High, Medium, Low, and Custom.

Intelligent Power Mode (High): The battery capacity threshold for initiating power reduction is set relatively high, resulting in the maximum operating duration for the load light. Therefore, this mode is suitable for regions experiencing frequent overcast or rainy weather, or where lighting conditions are generally poor.

Intelligent Power Mode (Medium): The battery capacity threshold for initiating power reduction is set at a moderate level, resulting in a moderate operating duration for the load light. Therefore, this mode is suitable for regions where there are balanced requirements regarding both brightness levels and resilience during rainy weather.

Intelligent Power Mode (Low): The battery capacity threshold for initiating power reduction is set relatively low, resulting in a shorter operating duration for the load light. Therefore, this mode is suitable for regions where high brightness output is the primary requirement.

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Battery management system and Intelligent power mode in solar street lights

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LED Street Light

High Mast Light

Led Flood Light

Solar Flood Light

LED High Bay Light

LED Tunnel Light

LED Garden Light

Led Bollard Light

Solar Street Light

LED Traffic Light

LED Canopy Light

Lighting Accessories

Smart Systems

Simulation Design

Smart Financing