SAKO E-SUN II 3Kva/24v Off-Grid Inverter - N275,000
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SAKO E-SUN I1 3KVA Off Grid MPPT
Solar Inverter
Features:
* MPPT Solar Charge Controller Inside
* Wide PV Input Range 30-400Vdc
* Smart battery protection. Compatible with
LiFePo4
* Configurable battery & AC/Solar priority via LCD setting
* Reliable quality, economic design
* With BMS for lithium battery communication
The SAKO E-SUN II 3Kva/12V is a high-frequency off-grid MPPT solar inverter, often recognized for its ability to handle 12V battery systems with a high-capacity solar charger (frequently 80A or 100A MPPT) and 3000W output capacity. It is designed for residential and small commercial use, providing pure sine wave output.
Note: Some SAKO 3Kva models are 24V; however, the E-SUN II series includes 12V 3Kva, 24V, and 48V variations. The specifications below are tailored to the 12VDC/3Kva variant based on standard SAKO E-SUN II documentation.
Key Specifications (E-SUN II 3Kva/12V)
Basic Parameters
Capacity: 3KVA / 3000W
Voltage System: 12V DC
Waveform: Pure Sine Wave
Output Voltage: 230VAC ± 5%
Output Frequency: 50Hz/60Hz (Auto sensing)
Solar Input (MPPT Charger)
Maximum PV Array Power: Up to 3000W-3200W
MPPT Range Operation Voltage: 30–400VDC or 30–430VDC
Max PV Array Open Circuit Voltage: 400VDC - 450VDC
Max MPPT Current: 80A or 100A (depending on sub-model)
Min Startup Voltage: Low startup (approx. 60Vdc)
Battery & Charging
Battery Voltage: 12VDC
Max AC Charge Current: 60A
Low Battery Cut Off Protection: 10.5VDC
Compatible Battery Types: Lead Acid, Gel, AGM, LiFePo4
Operational Features
Working Modes: Configurable Solar/AC/Battery Priority via LCD
Efficiency: >90% (Peak)
Transfer Time: 10ms (UPS), 20ms (Appliances)
BMS Communication: Yes (RS485/CAN) for Lithium Batteries
Parallel Operation: Generally not supported on 12V 3Kva (supported on 4KVA/5KVA+ models)
Physical & Environmental
Dimensions: Approx. 350mm x 270mm x 98mm
Net Weight: 4KG - 5KG
Communication: RS232/GPRS/Optional WIFI
Operating Temperature: -10℃ - 50℃
Key Advantages
High PV Voltage Input: Allows for series-connected solar panels (up to 450Voc), simplifying installation.
12V System Compatibility: Suitable for smaller, 12V-based battery banks, while still providing 3Kva of power.
Lithium Compatibility: Includes built-in BMS for intelligent lithium battery management.
No Battery Operation: Capable of operating without a battery during daylight hours.
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