Product Details
Place of Origin: China
Brand Name: 1stess
Certification: CE, IEC
Model Number: EM (PV60-500VDC) 620048L
Document: EM1.5-6.2.pdf
Payment & Shipping Terms
Minimum Order Quantity: 1 piece
Price: To be negotiated
Packaging Details: carton box
Delivery Time: 30 days
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 2000 pieces per month
Charging Mode: |
MPPT |
Operating Temperature: |
-10°C To 50°C |
Inverter Type: |
Hybrid Solar Inverter |
Frequency: |
50Hz/60Hz |
Output Voltage: |
48VDC |
Size: |
438*295*105mm |
Charging Mode: |
MPPT |
Operating Temperature: |
-10°C To 50°C |
Inverter Type: |
Hybrid Solar Inverter |
Frequency: |
50Hz/60Hz |
Output Voltage: |
48VDC |
Size: |
438*295*105mm |
| Place of Origin | China | China | China |
|---|---|---|---|
| Mounting Method | Wall Bracket | Wall Bracket | Wall Bracket |
| Nominal Battery Voltage (V) | 24VDC | 48VDC | 48VDC |
| Lithium Battery activation | YES( By PV or Utility) | YES( By PV or Utility) | YES( By PV or Utility) |
| Nominal Voltage | 230VAC | 230VAC | 230VAC |
| Lithium Battery communication | YES(RS485) | YES(RS485) | YES(RS485) |
| Frequency | 50/60Hz | 50/60Hz | 50/60Hz |
| Waveform | Pure Sine wave | Pure Sine wave | Pure Sine wave |
| Solar Charger Type | MPPT | MPPT | MPPT |
| Communication Interface | RS232+RS485 | RS232+RS485 | RS232+RS485 |
| PV Array MPPT Voltage Range | 60VDC~500VDC | 60VDC~500VDC | 60VDC~500VDC |
| Surge Power | 7000VA | 11000VA | 1240VA |
| Size | 358*295*100mm | 438*295*105mm | 438*295*105mm |
| Weight | 7kg | 9kg | 9kg |
| Operating Temperature Range | (-10'℃ to 50℃) | (-10'℃ to 50℃) | (-10'℃ to 50℃) |
GLOBAL MARKET RESEARCH FINDINGS FOR EM SERIES OFF-GRID HYBRID:
Background: Rapid industrialization and frequent power outages in rural areas drive demand for backup power and solar integration.
Findings:
Product Positioning: Valued as a backup system for households and small businesses.
Sales Potential: High in suburban and rural areas; interest in 3.5KW and 5.5KW models.
Service & Support: Strong preference for local warranty service centers and Vietnamese-speaking technical support.
Key Concerns: Battery compatibility (LiFePO4), storm-resistant durability, and WiFi monitoring ease.
Background: Archipelagic nation with high solar adoption; frequent typhoons cause grid damage.
Findings:
Product Positioning: Seen as a disaster-resilient power solution for homes and micro-enterprises.
Sales Potential: Strong in Visayas and Mindanao; 2.5KW and 3.5KW models most inquired.
Service & Support: Demand for mobile service units and over-the-phone troubleshooting.
Key Concerns: Surge protection, battery activation via PV during blackouts, and product longevity in humid climates.
Background: Growing middle class, rising electricity tariffs, and remote islands without grid access.
Findings:
Product Positioning: Mainly for residential solar systems and small off-grid businesses.
Sales Potential: High in Java and Bali; interest in 5.5KW for small workshops.
Service & Support: Local distributors requested to stock spare parts and offer installation training.
Key Concerns: High-temperature performance (over 40°C), compatibility with local battery brands, and dust protection.