GAF Energy
| Parameter | Model A (21.5kWh / 20kWh) | Model B (15kWh) |
|---|---|---|
| Energy Wh | 21.5KWh / 20kWh | 15kWh |
| Nominal Capacity | 420Ah / 400Ah | 280Ah-300Ah |
| Nominal Voltage | 51.2V 16S | 51.2V 16S |
| Battery Cells Type | BYD Blade Cell 3.2V | BYD Blade Cell 3.2V |
| Max. Charge Current | 140A | 140A |
| Max. Discharge Current | 200A | 200A |
| Cycle Life | 8000 - 10000 Cycles | 8000 - 10000 Cycles |
| Warranty | 10 Years | 10 Years |






Madsun Ultra Thin BYD Blade Battery LiFePO4 series offers superior energy storage solutions. Featuring a sleek, wall-mounted design, it saves significant space while providing robust power for home and solar energy storage systems. Our units are stackable, allowing capacity increases from 15kWh up to 225kWh by connecting up to 15 units in parallel.
Of course, we welcome sample orders for ODM/OEM trials. We can accommodate custom logos and branding.
We recommend recharging the battery pack every 2 months. Regular maintenance is essential for battery longevity.
Please charge your batteries for a longer duration than normal; this sustained charging can reactivate batteries that have entered deep sleep mode.
For small quantities, orders are typically finished in 7-10 days. Bulk orders take approximately 10-25 days depending on quantity.
We ensure at least 6000-8000 cycle life for our LiFePO4 battery packs, allowing for 15-20 years of usage under normal conditions.
We offer a comprehensive 10-year warranty for our battery packs across various applications.