Product Details
Place of Origin: China
Brand Name: 1stess
Certification: CE, IEC
Model Number: RPES-WM2 (51.2V 300Ah)
Document: 48V 314Ah 15kwh.pdf
Payment & Shipping Terms
Minimum Order Quantity: 1 piece
Price: USD 1255 one piece
Packaging Details: carton box
Delivery Time: 15 days
Payment Terms: L/C,T/T
Supply Ability: 2000 pieces per month
Safety Features: |
Overcharge Protection, Overdischarge Protection, Short Circuit Protection |
Capacity: |
15kWh |
Chemistry: |
Lithium Ion |
Certifications: |
CE, UL, IEC |
Cycle Life: |
>5000 Cycles |
Warranty: |
5-10 Years |
Size: |
740*395*250mm |
Operating Temperature: |
-20°C To 55°C |
Safety Features: |
Overcharge Protection, Overdischarge Protection, Short Circuit Protection |
Capacity: |
15kWh |
Chemistry: |
Lithium Ion |
Certifications: |
CE, UL, IEC |
Cycle Life: |
>5000 Cycles |
Warranty: |
5-10 Years |
Size: |
740*395*250mm |
Operating Temperature: |
-20°C To 55°C |
| Model | WYLD48V314AH |
|---|---|
| Rated Voltage | 48V |
| Rated Capacity | 314Ah |
| Rated Energy | 15.072kWh |
| Cycle Life | ≥5000 |
| Maximum Charging Voltage | 54V |
| Minimum Discharge Voltage | 40.5V |
| Standard Charging Current | 150A |
| Standard Discharge Current | 150A |
| Dimension L*W*H (mm) | 740*395*250mm |
| Weight (kg) | 112kg |
Shenzhen First Tech Co., Ltd was established in 2017, serving as a one-stop solution provider for solar & battery energy storage systems.
First Tech specializes 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, 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 clients across Europe, Africa, Middle East, North America, South America, and Southeast Asia.
In addition to standard products, First Tech welcomes OEM & ODM orders, providing professional service and quality products with competitive prices.
First Tech is committed to becoming a global leading solar & ESS solution provider, delivering green energy and contributing to a cleaner world.
Enjoy New Life, Starting with First Tech!
In an era defined by energy awareness and the quest for reliability, home energy storage has transitioned from a luxury to a global necessity. The 48V/314Ah (15kWh) Lithium Iron Phosphate (LiFePO4) battery system emerges as a versatile champion, engineered to deliver safe, scalable, and intelligent power management. With its robust 6000+ cycle life, modular design for expansion up to 160kWh, and compatibility with major inverters, this system is not just a product—it's a long-term energy partner.
| Region | Core Demand Driver | Recommended Positioning | Key Product Advantage to Emphasize | Climate/Geo Adaptation |
|---|---|---|---|---|
| Asia | High costs, grid stress, space limits | Peak-Shaving & Resilience Hub | Safety, Cycle Life, Compact Size, Intelligence | Handles heatwaves; fits compact homes |
| Europe | Energy independence, high tariffs, green goals | Self-Consumption & Backup Ecosystem Core | Inverter Compatibility, Modularity, Wide Temp Range | Performs in cold winters; ideal for solar pairing |
| South America | Grid instability, abundant solar | Essential Power Guardian | High Current Output, Safety (LiFePO4), Humidity Tolerance | Reliable in humid, outage-prone areas |
| Middle East | Peak solar, extreme heat | High-Temperature Solar Battery Champion | Superior Heat Tolerance (Charge/Discharge) | Optimizes solar storage in very hot climates |
| Africa | Off-grid access, rural electrification | Durable Heart of Off-Grid Stations | Modular Simplicity, Extreme Cycle Life, Wide Temp Range | Scalable and durable for harsh, remote environments |