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The ROCKSOLAR 3500W 48V Off-Grid Solar System offers the most comprehensive power solution yet for Canadian cottage/rv owners. It boasts reliability and high efficiency, providing off-grid power at your convenience. The system consists of 2x 48V 50AH LiFePO4 Batteries, 6x 440W Rigid Solar Panels, and a potent 3.5KW Off-Grid Solar Inverter. It is designed to power a wide array of appliances including a mini fridge, freezer, LCD TV, wifi router, coffee machine, microwave, lighting, stereo, laptop, and phone chargers, ensuring a 24/7 off-grid power supply for all your cottage needs. The ROCKSOLAR Cottage Life Series V comes with a future-focused design that allows easy upgrades for increased power needs, providing free upgrade services and exchangeable key components. ROCKSOLAR guarantees the value retention of all components, making sure your investment is worthwhile. The batteries and solar panels come with a reassuring 10-year warranty, while the other components carry a 2-years warranty. Embrace a worry-free cottage life with the ROCKSOLAR Cottage Life Series V Off-Grid Solar System.
Product Features
ROCKSOLAR 48V 50Ah Deep Cycle LiFePO4 Battery with BMS System (2 pcs):
440W Bifacial Rigid Monocrystalline Solar Panel (6 Pcs):
Growatt 3.5KW Off-Grid Solar Inverter:
Technical Specifications
| 48V 50Ah Deep Cycle Lithium Battery (LIFEPO4) | Details |
|---|---|
| Nominal capacity | 50Ah |
| Mix. capacity | 50Ah |
| Nominal energy | 2560Wh |
| Combination structure of battery | 16S |
| Nominal voltage | 51.2V |
| End of discharge voltage | 43.2V |
| Standard charge voltage | 58.4±0.2V |
| Float charge voltage | 55.2V |
| Standard charge current | 10A |
| Recommended charge current | ≤25A |
| Allowed Max. charge current | 50A |
| Standard discharge current | 10A |
| Recommended discharge current | ≤50A |
| Allowed Max. discharge current | 50A |
| Peak discharge current | 100A,10Sec |
| Internal Resistance | ≤80mΩ |
| Weight | Approx. 24kg |
| Ex-factory capacity | Approx.50% SOC |
| Operation temperature | Discharge: -20°C~60°C; Charge: 0°C~45°C |
| Storage environment | ≤1Month:-20~+60°C5~75%RH; ≤6Month: -10~+45°C5~75%RH; Recommend environment: 15~+35°C5~75%RH |
| 440W Solar Panel Specification | Details |
|---|---|
| Panel Type | Monocrystalline |
| Power Output | 440W |
| Maximum Power Voltage | 32.98V |
| Cell Efficiency | 22.57% |
| Frame Material | Anodized Aluminum |
| Dimensions | 1722mm x 1134mm x 30mm |
| Weight | 22 kg |
| Operating Temperature | -40°C to +85°C |
| Waterproof Rating | IP68 |
| Front Glass | Anti-reflective tempered glass |
| Bypass Diodes | Integrated |
| Connectors | MC4 |
| Service Life | Over 30 years |
| Warranty | 12 years |
| Growatt 3.5KW Off-Grid Solar Inverter | Details |
|---|---|
| Battery Voltage | 48VDC |
| Battery Type | Lithium/Lead-acid |
| Inverter Output | Rated Power: 3500VA 3500W Parallel Capability: Yes, 6 units maximum AC Voltage Regulation (Battery Mode): 100Vac/110Vac/120Vac @ 50/60Hz Surge Power: 6000VA Efficiency (Peak): 90% Waveform: Pure Sine Wave Transfer Time: 10ms typical, 20ms max |
| Solar Charger | Maximum PV Array Power: 4000W MPPT Range @ Operating Voltage: 120VDC – 225VDC Maximum PV Array Open Circuit Voltage: 280VDC Maximum Solar Charge Current: 80A |
| AC Charger | Charge Current: 40A AC Input Voltage: 120VAC Selectable Voltage Range: 95-140VAC (For Personal Computers); 65-140VAC (For Home Appliances) Frequency Range: 50Hz/60Hz (Auto sensing) |
| Physical | Protection Degree: IP20/NEMA Type1 Dimension (W/H/D): 330/485/135mm Net Weight: 12kg |
| Operating Environment | Humidity: 5% to 95% Relative Humidity (Non-condensing) Operating Temperature: 0°C - 50°C (32°F - 122°F) Storage Temperature: -15°C - 60°C (-5°F - 140°F) |
| Warranty | 2 Years |
The Cottage Life Series V kit includes 2x 48V 50AH LiFePO4 Batteries, 4x 400W Rigid Solar Panels, and a 3.5KW Off-Grid Solar Inverter.
The system is capable of powering a wide range of appliances including a mini fridge, freezer, LCD TV, wifi router, coffee machine, microwave, lighting, stereo, laptop, and phone chargers.
Yes, the system is designed to be easily upgraded for increased power needs in the future. With free upgrade services and exchangeable key components, you can expand your energy independence with confidence.
The system comes with a 10-year warranty on the batteries and solar panels and a 2-years warranty on other components.
The power generation of the system largely depends on sunlight availability and other environmental factors. However, with its 4x 400W Rigid Solar Panels, it's designed to offer a significant amount of power for your off-grid needs.
