This Growatt APX 5.0P-B1 extension cable is specially designed to connect multiple battery stacks in parallel, up to a total capacity of 30 kWh. It includes power cables, communication cables and grounding, with a length of 2 meters for flexible installation in two columns. Made of high-quality copper, it works reliably in temperatures from -25Β°C to +50Β°C. For solar panel wholesale installers, this is a must-have for extending APX battery systems without loss of efficiency. Compatible with Growatt APX batteries, it provides secure and stable connections. Easy to install, with a focus on durability and compatibility with hybrid inverters.