In recent years, solar garden lights have been widely adopted, typically composed of lead-acid or nickel-hydride batteries combined with LED lamps. During usage, lead-acid batteries require acid supplementation, resulting in significant maintenance efforts, and when sulfuric acid electrolyte spills, it can potentially damage the lamp body or other public facilities. Additionally, lead-acid and nickel-hydride batteries have relatively low energy densities. For example, a common 4Ah battery is large and heavy, requiring substantial space for installation and electrical components, which hinders the flexible design of the lamp structure.
Lithium-ion batteries, developed in the 20th century, are a new type of high-energy battery with a high energy density. For the same capacity, their weight is half that of nickel-hydride batteries and 30% of lead-acid batteries, while their volume is between 20-30% less than that of lead-acid and nickel-hydride batteries. Moreover, the discharge platform of lithium-ion batteries is 3.7V, while the charging voltage for solar panels is 6V, compared to the 12V discharge platform of lead-acid batteries. This results in a reduction of plate slicing by 2/3, decreasing waste and increasing the utilization rate of battery cells. Lithium-ion batteries have a high cycle life, with charge-discharge cycles exceeding 500 under normal conditions. On sunny days, solar panels continuously recharge the battery, while at night, only about 25% of the battery capacity is used, thus keeping the battery in a sustained float charge state, significantly extending its lifespan. Additionally, lithium-ion batteries do not contain harmful metals like cadmium, lead, or mercury, and do not include chemically active lithium, ensuring safety and aligning with the green and environmentally-friendly design philosophy of solar products.
Bitpott solar garden lights are manufactured by a professional company specializing in the research, production, and sales of outdoor lighting such as solar and LED lights. With years of production experience and advanced manufacturing equipment, they guarantee quality, reasonable prices, and configurations. For inquiries about the prices of solar garden lights, please contact our online customer service.
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