The Solar Step
GROWTECH 3600W / 3600VA Pure Sine Wave
GROWTECH 3600W / 3600VA Pure Sine Wave
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Growtech GT-3600W Pure Sine Wave Inverter – Reliable Load-Shedding Backup
Description:
The GroWtech GT-3600W Axpert Inverter is a compact and lightweight power solution, designed for load-shedding backup and small off-grid applications. With a high-efficiency MPPT solar charger and pure sine wave output, this inverter provides stable and uninterrupted power for essential home and business appliances. It supports both solar and AC charging, ensuring continuous operation in unpredictable power conditions.
Key Features & Benefits:
Efficient & Stable Power Output
- Rated Power: 3600VA / 3600W
- Surge Capacity: 7000VA for handling high startup loads
- Pure Sine Wave Output: Ensures reliable performance for sensitive electronics
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Fast Transfer Time:
- 10ms for personal computers
- 20ms for home appliances
Advanced Battery & Charging Technology
- Battery Voltage: 24VDC for optimized energy storage
- Lithium Battery Activation: Supported for seamless integration
- Floating Charge Voltage: 27VDC
- Overcharge Protection: Cuts off at 32VDC
- Charging Method: CC/CV (Constant Current / Constant Voltage)
Smart Solar & AC Charging
- MPPT Solar Charger for maximum solar energy utilization
- Maximum PV Input Power: 4000W
- Wide MPPT Voltage Range: 30VDC – 500VDC
- Solar Input Current: Up to 15A
- Maximum Solar Charge Current: 100A
- Maximum AC Charge Current: 60A
- Total Charging Capacity (AC + PV): 100A
High-Efficiency Performance & Protection
-
Peak Efficiency:
- 96% (PV to Inverter)
- 93% (Battery to Inverter)
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Overload Protection:
- 5s at ≥140% load
- 10s at 100% – 140% load
- Crest Factor: 3:1 for enhanced load handling
- Power Factor: 0.6 – 1 (inductive or capacitive)
Compact & Durable Design
- Unit Dimensions: 338 × 310 × 100 mm
- Lightweight Build: 4.4 kg for easy installation
- Communication Interface: RJ45 (WiFi Compatible)
- Wide Operating Temperature Range: -10°C to 55°C
Installation & Warranty
- Must be installed by a qualified electrician with a valid COC (Certificate of Compliance)
- Installation must comply with SANS 10142 regulations
- Warranty claims require 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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