Intelligent Pre-charge Balancing BMS for Off-Grid Solar System
Key Features
- Ultimate Safety: Utilizes high-safety LiFePO4 cells with rigorous international certifications
- Extended Lifespan: Over 6000 cycles and 15-year design life for exceptional durability
- Flexible Scalability: Supports up to 16 units in parallel for modular expansion up to 160kWh
- Intelligent BMS: Built-in self-developed BMS with strong balancing and pre-charge, plus remote data & OTA upgrades
- Compact & Flexible: Standard height with small footprint for flexible indoor floor mounting
- Wide Compatibility: Works with most hybrid/battery inverters for self-consumption, backup, and off-grid uses
- High Performance: 51.2V nominal voltage, 314Ah capacity, 16kWh energy, and 200A peak discharge current
- Wide Operating Temperature: Supports -20℃ to 65℃ discharge with thermal derating for safety in varied climates
Technical Specifications
| 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 |
Long Cycle Life and Durability
With over 6000 cycles at 90% depth of discharge (DoD) and a 15-year design life, the battery offers excellent longevity. This reduces the total cost of ownership and ensures reliable performance over decades, especially in daily cycling applications like solar self-consumption.
Manufacturer Overview
Shenzhen First Tech Co., Ltd was established in 2017 and is a one-stop solution provider of solar & battery energy storage systems. The company is engaged in the 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, the factory has passed ISO9001, ISO14001, ISO45001 management system certification and products have obtained TUV-CB, CEIEC, EMC MSDS, UN38.3, and other certificates. Products are exported to clients in Europe, Africa, Middle East, North America, South America, Southeast Asia, and other regions.
In addition to providing standard products, First Tech welcomes OEM & ODM orders and provides professional service and quality products with competitive prices. The company is committed to becoming a global leading solar & ESS solution provider to provide green energy and contribute to a cleaner world.
Enjoy New Life, Starting with First Tech!
Manufacturing Facilities & Capabilities
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