The Solar Step
3.6KVA / 3600W MPPT MUST Hybrid Inverter 24V + 2.71kWh 106AH SVOLT Lithium Battery
3.6KVA / 3600W MPPT MUST Hybrid Inverter 24V + 2.71kWh 106AH SVOLT Lithium Battery
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Must 3.6kW 100A 24V MPPT Solar Hybrid Inverter – PV1800 ECO
Reliable Off-Grid & Hybrid Power Solution
The Must PV1800 ECO 3.6kW Hybrid Inverter is a versatile, multi-function power system that integrates an inverter, MPPT solar charge controller, and battery charger into a compact unit. Designed for off-grid and hybrid applications, it ensures uninterrupted power supply by intelligently managing solar energy, AC utility, and battery storage.
With a high PV input voltage capacity (up to 400V/450V/500V), this inverter maximizes solar energy utilization and can even operate without a battery, making it a flexible and cost-effective energy solution.
Key Features:
- Pure Sine Wave Output: Delivers stable, high-quality power for sensitive electronics.
- Smart LCD Display: Allows easy configuration of working modes, charge current, and voltage settings.
- Built-in MPPT Solar Charge Controller: Maximizes solar power conversion efficiency.
- Wide PV Input Voltage Range: Supports higher solar voltage for increased flexibility.
- Battery-Free Operation: Can supply power to connected loads directly from solar panels.
- Smart Load Management: Dual output system for prioritizing critical loads.
- Advanced Protection: Overload, short circuit, and deep discharge protection.
- Cold Start Function: Allows startup without grid power.
- Remote Monitoring: Supports RS485 and CAN communication for lithium battery integration.
Technical Specifications:
Inverter Mode:
- Rated Power (Main + Second Load): 3600VA / 3600W
- DC Input Voltage: 24VDC, 135A
- AC Output Voltage: 230VAC, 50/60Hz, 15.7A
- Power Factor: 1.0
AC Charger Mode:
- AC Input Voltage: 230VAC, 50/60Hz, 17.7A
- DC Output Voltage: 24VDC, 60A
Solar Charger Mode:
- Maximum MPPT Charge Current: 100A
- MPPT Voltage Range (Typical): 30-320VDC
- Maximum PV Input Voltage (VOC): 400VDC
- Maximum PV Input Current: 18A
- Maximum MPPT Power: 4000W
- Maximum Charge Current: 100A
What’s in the Box:
- 1 × Must 3.6kW 24V MPPT Hybrid Inverter
- 1 × User Manual
This high-efficiency hybrid inverter is an ideal choice for those looking for a reliable, scalable, and smart solar power solution.
High-Performance A-Grade Lithium Battery for Solar & Backup Power
The SVOLT 2.71kWh 24V 106Ah Lithium Battery is a high-capacity, energy-efficient solution for solar power storage, UPS systems, and backup energy applications. Manufactured by SVOLT, a global leader in lithium battery technology and part of the Haval Group, this battery utilizes A-Grade lithium iron phosphate (LiFePO4) cells, ensuring exceptional reliability, longevity, and performance.
With a cycle life exceeding 6000 cycles, this wall-mounted battery is designed for residential, commercial, and industrial applications, including solar energy storage, renewable energy integration, telecommunications, medical equipment, and electric vehicles.
Technical Specifications:
Battery Specifications:
- Nominal Voltage: 25.6V
- Nominal Capacity: 106Ah
- Energy Storage: 2.71kWh
- Battery Chemistry: Lithium Iron Phosphate (LiFePO4)
- Installation Type: Wall-Mounted
- Energy Density: High-performance A-Grade cells
- Case Material: SPCC
- BMS Built-in: No (Requires External BMS)
Charge & Discharge Specifications:
- Max Continuous Charge Current: 100A
- Recommended Discharge Voltage: 22.4V ± 0.20V
- Max Discharge Voltage: 21.6V ± 0.20V
- Max Continuous Discharge Current: 100A
- Peak Discharge Current: 150A
- Cycle Life (0.2C, 25°C @ 80% DoD): >6000 Cycles
Physical Specifications:
- Dimensions: 470mm × 350mm × 155mm
- Weight: 28kg
- Terminal Type: Fast Plug-In & Plug-Out
What’s in the Box?
1 × SVOLT 24V 106Ah 2.71kWh A-Grade Lithium Battery
1 × Red (Positive) Battery Cable
1 × Black (Negative) Battery Cable
1 × User Manual
Warranty:
-
- 1-Year Manufacturer Warranty - INVERTER
- 5-Year Manufacturer Warranty - BATTERY
Warranty & Installation Requirements:
- Must be installed by a qualified electrical wireman or master electrician.
- Valid Certificate of Compliance (COC) required upon installation.
- Installation must adhere to SANS 10142 standards.
- Warranty claims must include installation photos, valid COC, and proof of qualified installation.
Let customers speak for us
from 103 reviewsSystem works very well, happy with purchase.

Very impressive store. Friendly service. Ruan is an excellent salesman and very professional.
We bought the 11kva system last week. Customer service is excellent, delivery excellence, installed and working like 4 paired horses bulling a wagon. We're thrilled and keep up the great work guys.
A big thank you to The Solar Step team for the excellent service, I am very happy with my product!
This place has amazing service the staff are so friendly and fast to help i would highly recommend
This place has amazing service the staff are so friendly and fast to help i would highly recommend
Great products that saves you money and preserve energy.
Great products that saves you money and preserve energy.
Friendly, helpful, great customer service.
The staff was very helpful and they were quick to respond to my messages aswell as give me the best system that fits into my budget and that is also in great quility
Outstanding Service!
I had an amazing experience with this company! From start to finish, their team was professional, knowledgeable, and efficient.
Good service, frienfly assistance, great products. Just overall amazing
A chap named Ruan assisted me with a few items I need. He was very helpful and knowledgeable. Will highly recommend The solar step and Ruan. Keep up the good work
This place has the best service, the staff are so friendly and helpful would recommend

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