Professional Solar Energy Storage System Manufacturer
Joulebank is a brand focused on the R&D, production and sales of solar energy storage equipment.
We provide competitive, safe, reliable and trustworthy products, solutions and services to our customers.
With its strong R&D strength, Joulebank also offers ODM/OEM services for inverters and energy storage batteries to its clients.
Focused on R&D
The patent implementation rate exceeds 60% make our product different from others
38%+
R&D personnel
10%
R&D expenditures
180+
Patents
Leading Supply Chain
Well-known partners guarantee the product quality
PRODUCT TECHNOLOGY
BMS Independent R&D
Multi-layer security management, precise measurement, high consistency
30db
mute noiseless, lower at 30db
10ms
grid switching speed
3%
THDi / THDv, <3%
6000+
battery cycle times
98%
inverter conversion efficiency
PRODUCT CERTIFICATED
Go Beyond the Standard Requirements
All of our products have been tested to applicable standards and are certificated with CE, IEC, UL, UN38.3, etc ensure our products meet the required national, regional, and international requirements.
ADVANCED MANUFACTURING
Smart Manufacturing Execution Systems
- 100% traceability of the entire product chain
- 0 defects in production quality
- Whole process information management
- 10000㎡+ area of production
- 3 intelligent manufacturing workshops
QUALITY CONTROL
All of Our Products Are Quality Guaranteed
In terms of quality management, joulebank implements quality control for the entire industrial chain, from supplier to customer use.
- IQC: 100% incoming material inspection of key components
- FQC: 100% aging test
Inverter standard aging time ≥ 8 hours
Battery pack complete charge/discharge cycle ≥ 5 times
- INSURANCE: 100% logistics insurance purchased
Worldwide Local Service
We sold to more than 50 countries worldwide. We are also creating service centers around the world, which can achieve a worldwide fast delivery and service response.