Shenzhen First Tech Co., Ltd.
| Payment Terms | L/C,T/T |
| Supply Ability | 2000 pieces per month |
| Delivery Time | 15 days |
| Packaging Details | carton box |
| 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 |
| Brand Name | 1stess |
| Model Number | RPES-WM2 (51.2V 300Ah) |
| Certification | CE, IEC |
| Place of Origin | China |
View Detail Information
Explore similar products
48V 314Ah 15kwh LiFePO4 Lithium Battery Pack All in One Wall Mounted Home Energy
Safe and Durable LiFePO4 Lithium Battery Pack 48V 314Ah 15kwh Wall Mounted All
All in One Wall Mounted Home Energy Storage 48V 314Ah 15kwh LiFePO4 Battery Pack
All in One Home Energy Storage Battery Pack 51.2V 314Ah 16kwh Wall Mounted
Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 2000 pieces per month |
| Delivery Time | 15 days | Packaging Details | carton box |
| 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 |
| Brand Name | 1stess | Model Number | RPES-WM2 (51.2V 300Ah) |
| Certification | CE, IEC | Place of Origin | China |
| High Light | 48V 314Ah wall mounted battery ，15kWh Lifepo4 energy storage ，51.2V 10kWh lithium battery pack | ||
Shenzhen First Tech Co., Ltd was established in 2017, which is a one-stop solution provider of solar & battery energy storage system.
First Tech is engaged in the research, development, production, sales and service of the commercial and industrial energy storage system, home energy storage system, lithium-ion battery pack, solar hybrid inverter. solar optimizer etc.
First Tech is located in Shenzhen City, Guangdong Province, China, the factory have passed lS09001,1S014001,1S045001 managementsystem certification and the products have obtained TUV-CB, CEIEC,EMC MSDS, UN38.3, etc certificates. The products are exported toclients in such countries and regions as Europe, Africa, Middle East,North America,South America, Southeast Asia, etc.
Except providing it's own standard products, First Tech also welcome OEM & ODM orders, and will provide professional service and quality products with competitive prices to customers and market.
First Tech is committed to becoming a global leading solar & ESS solution provider to provide green energy and contribute to cleanerworld.
Enjoy New Life, Starting with First Tech!
Common Questions Regarding the Applicability of Battery Packs in Different Countries/Regions
Context: Extreme heat, high demand for solar integration, and luxury residential/commercial storage.
Q1 – Reporter: Mr. Ahmed Al Marzooqi, The National
“How does the battery perform in ambient temperatures above 50°C, common in summer?”
A: It can discharge up to 65°C, but for longevity, we recommend installation in air-conditioned or shaded indoor spaces. The BMS will derate power if temperatures exceed safe limits.
Q2 – Reporter: Ms. Layla Al Mazmi, Gulf News
“Can it be integrated with building management systems in smart villas or commercial towers?”
A: Yes, via Modbus over RS485 or CAN, it can communicate with most BMS and SCADA systems for centralized energy management.
Q3 – Reporter: Mr. Ravi Kumar, Khaleej Times
“What is the fire safety rating? Are there any fire suppression recommendations?”
A: The cells meet IEC62619 safety standards. We recommend installing in a well-ventilated room with standard smoke detectors. The battery itself does not require internal suppression.
Q4 – Reporter: Ms. Noora Al Shamsi, Emirates 24/7
“How scalable is it for a large villa or small hotel with high cooling loads?”
A: With 16 units parallel, you can scale to 240kWh—enough to shift cooling loads and significantly reduce grid consumption during peak tariff periods.
Q5 – Reporter: Mr. James McLaren, Dubai Eye
“Is there local stock and technical support in the UAE?”
A: We have a regional warehouse and certified partners in the UAE for sales, installation, and after-sales support.
Context: Vision 2030 driving residential solar, desert climate, and need for reliable backup.
Q1 – Reporter: Mr. Abdulrahman Al Saleh, Arab News
“How does it handle sand and dust infiltration, common in Saudi?”
A: IP20 provides basic protection. For dusty environments, we recommend installing in an enclosed room or using an IP54-rated external cabinet.
Q2 – Reporter: Ms. Sara Al Otaibi, Saudi Gazette
“Can this battery help achieve energy self-sufficiency for a typical Saudi home with solar?”
A: Absolutely. A 15–30kWh system can cover evening loads after solar generation stops, greatly increasing energy independence.
Q3 – Reporter: Mr. Faisal Al Rashid, Al Riyadh
“What is the round-trip efficiency, and how much energy is lost in storage?”
A: The battery itself has >95% round-trip efficiency. Total system efficiency depends on the inverter, typically 90–94% for a well-designed system.
Q4 – Reporter: Ms. Noura Al Sudairi, Asharq Al-Awsat
“Is it suitable for use in remote off-grid farms or wells?”
A: Yes, its wide temperature range and robust design make it ideal for agricultural solar pumping and off-grid farmstead power.
Q5 – Reporter: Mr. Khalid Al Zahrani, Al Eqtisadiah
“Are there any ongoing costs or maintenance contracts required?”
A: No ongoing costs. The battery is maintenance-free. Optional extended warranty and monitoring subscriptions are available.
Company Details
Year Established:
2017
Total Annual:
15000000-16000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
.gtr-container-q8w3e1 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; padding: 20px; line-height: 1.6; box-sizing: border-box; } .gtr-container-q8w3e1 p { font-size: 14px; margin-top: 0; margin-bottom: 1em; text-align: left;... .gtr-container-q8w3e1 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; padding: 20px; line-height: 1.6; box-sizing: border-box; } .gtr-container-q8w3e1 p { font-size: 14px; margin-top: 0; margin-bottom: 1em; text-align: left;...
Get in touch with us
Leave a Message, we will call you back quickly!