Choose Appropriate Panel Sizes: For specific battery types, such as 100Ah lead-acid batteries, a 100W solar panel is generally sufficient, while lithium-ion batteries may require a 200W panel.
[PDF Version]
How to connect solar panels together in parallel: Join the positive (+) cables of all the panels into a single one, then do the same with all the negative (-) cables. For this, you will need branch connectors or a combiner box.
[PDF Version]
A solar power charge controller regulates the transfer of energy from solar panels to batteries, preventing overcharging, deep discharge, and voltage fluctuations. Essential for both off-grid and hybrid systems, it ensures stable operation and extends battery lifespan by 30–50%.
[PDF Version]
Estimate how long it takes your solar panel to charge a battery based on panel wattage, battery capacity, voltage, and charge efficiency. Formula: Charging Time (h) ≈ (Battery Ah × V × (Target SOC / 100)) ÷ (Panel W × (Eff% / 100)). Adjust for sunlight hours to find daily charging.
[PDF Version]
