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| Categories | Off Grid Hybrid Solar Inverter |
|---|---|
| Brand Name: | 1stess |
| Model Number: | EM-T (PV60-500VDC) 11000-48L |
| Certification: | CE, IEC |
| Place of Origin: | China |
| MOQ: | 1 piece |
| Price: | To be negotiated |
| Payment Terms: | L/C,T/T |
| Supply Ability: | 2000 pieces per month |
| Delivery Time: | 30 days |
| Packaging Details: | carton box |
| Charging Mode: | MPPT |
| Operating Temperature: | -10°C To 50°C |
| Inverter Type: | Off Grid inverter |
| Frequency: | 50Hz/60Hz |
| Output Voltage: | 220VAC/230/240VAC |
| Communication Interface: | RS232/RS485/DRY CONTACT |
| Input Voltage: | 230VAC |
| Size: | 540*415*122mm |
| Waveform: | Pure Sine wave |
| Output Current: | 160A |
| Weight: | 15kg |
| Company Info. |
| Shenzhen First Tech Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |

| MODEL | EM8500-48L | EM11000-48L |
|---|---|---|
| Capacity | 8.5KVA/8.5KW | 11KVA/11KW |
| Maximum PV input power | 10000W | 11000W |
| Lithium Battery Activation | YES ( By PV or Utility) | YES ( By PV or Utility) |
| Lithium Battery Communication | YES(RS485) | YES(RS485) |
| Battery Voltage | 48VDC | 48VDC |
| Solar Charger TYPE | MPPT | MPPT |
| Communication Interface | RS232/RS485/DRY CONTACT | RS232/RS485/DRY CONTACT |
| Dimension, D xW x H(mm) | 540*415*122 | 540*415*122 |







Q1: Is the EM series suitable for Kenya's off-grid solar market?
A: Absolutely! Its hybrid design and battery-free operation make it
ideal for Kenya's rural electrification projects and solar home
systems.
Q2: How does it support mobile money-enabled energy payments?
A: Though not directly, the Wi-Fi module allows integration with
IoT platforms, enabling pay-as-you-go models popular in Kenya.
Q3: Can it power small agricultural equipment?
A: Yes, the surge power of 22000VA starts motors for irrigation
pumps, supporting Kenya's farming communities.
Q4: What battery technologies are recommended?
A: The inverter works best with LiFePO4 batteries via RS485, but is
also compatible with lead-acid, offering flexibility for Kenyan
users.
Q5: How durable is it in dusty environments?
A: The detachable dust cover protects against dust, common in
Kenya's arid regions, ensuring long-term reliability.
Q6: Does it require specialized maintenance?
A: No, the user-friendly LCD and minimal maintenance needs make it
suitable for areas with limited technical support.
Q1: Can the EM series help during load-shedding in South Africa?
A: Yes! With fast transfer times and multiple output priorities, it
provides uninterrupted power during Eskom's load-shedding cycles.
Q2: How does it integrate with existing solar systems?
A: The RS232/RS485 ports allow communication with inverters and
batteries, facilitating upgrades to hybrid systems in South Africa.
Q3: Is it efficient for high-energy households?
A: The 11KW model and 94% efficiency reduce energy losses, ideal
for South African homes with high electricity consumption.
Q4: What safety features protect against overloading?
A: Overload protection (5s at 140% load) and overcharge protection
(63VDC) ensure safety for families and equipment.
Q5: Can it be used in commercial settings?
A: While designed for residential use, its capacity supports small
businesses, cafes, or offices during power outages.
Q6: How does the PV input handle South Africa's solar conditions?
A: The 500Vdc max PV input and MPPT optimize performance in varying
sunlight, maximizing ROI in sunny regions like Cape Town or
Johannesburg.
Q1: Is the EM series resistant to Egypt's desert sand and heat?
A: Yes! The operating temperature up to 50°C and dust-proof design
make it reliable in Egypt's harsh desert climate.
Q2: How does it support Egypt's solar energy initiatives?
A: With high PV input and MPPT efficiency, it aligns with national
goals for solar adoption, reducing grid dependence.
Q3: Can it power water pumps for agriculture?
A: The surge power and high discharge current enable operation of
agricultural pumps, vital for Egypt's farming sector.
Q4: What battery options are available?
A: It supports lithium activation via PV or utility, ideal for
Egypt's shift to modern energy storage solutions.
Q5: Is Wi-Fi monitoring useful for urban homes?
A: Yes, remote monitoring helps Cairo residents manage energy usage
efficiently, reducing costs.
Q6: How does the inverter perform during frequent power cuts?
A: With seamless switching and backup priorities, it ensures
continuous power for homes and small businesses.
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