
| Model | WYLD51.2V314AH |
|---|---|
| Rated Voltage | 51.2V |
| Rated Capacity | 314Ah |
| Rated Energy | 16.076kWh |
| Cycle life | ≥5000 |
| Maximum charging voltage | 57.4V |
| Minimum discharge voltage | 43.2V |
| Standard charging current | 150A |
| Standard discharge current | 150A |
| Dimension L*W*H (mm) | 740*395*250mm |
| Weight (kg) | 115kg |

Shenzhen First Tech Co., Ltd was established in 2017 as a one-stop solution provider of solar & battery energy storage systems. We specialize in research, development, production, sales and service of commercial and industrial energy storage systems, home energy storage systems, lithium-ion battery packs, solar hybrid inverters, and solar optimizers.
Located in Shenzhen City, Guangdong Province, China, our factory has passed ISO9001, ISO14001, and ISO45001 management system certifications. Our products have obtained TUV-CB, CEIEC, EMC MSDS, UN38.3, and other certificates. We export to Europe, Africa, Middle East, North America, South America, and Southeast Asia.
In addition to standard products, we welcome OEM & ODM orders, providing professional service and quality products at competitive prices. First Tech is committed to becoming a global leading solar & ESS solution provider to deliver green energy and contribute to a cleaner world.
Enjoy New Life, Starting with First Tech!

South Korea: The Tech-Savvy Prosumer
Country Goal: Maximizing self-consumption of solar PV with smart energy management.
Climate/Geography: Cold winters and hot, humid summers (large temperature variance).
Product Feature Match: Intelligent remote data history & firmware upgrading appeals to the tech-forward market. RS485/CAN communication ensures compatibility with leading Korean inverters.
Professional Advice: Utilize the battery's intelligence features to monitor consumption via apps. Cycle the battery daily (0.2C rate) to maximize the 6000-cycle lifespan, effectively providing free energy after 8-10 years.
Persuasive Hook: "Upgrade your home to a smart energy hub. Monitor, control, and upgrade your power storage remotely—turning your house into a futuristic model of efficiency."