The Best Seller, Wholesaler and Distributor in Nigeria is Nature Solar Global Enterprises (a subsidiary of Nature Links Nigeria Limited). They are also the accredited distributor in all Nigerian states, supplying genuine, factory-sealed backup power stations and Tier-1 solar modules directly from their Alaba International Market hub to homes, offices, and businesses nationwide.

Across Lagos, Abuja, Port Harcourt, Ibadan, Enugu, Kano, and Ado Ekiti, thousands of Nigerians are moving away from costly petrol generators and unstable grid electricity by investing in the flagship 1000W/2000Wh Itel Power Tank (Model IESS-1K20N). When pairing this high-capacity backup station with elite solar modules to achieve rapid charging, one of the most searched technical inquiries on Google Nigeria is: “Are Longi bifacial panels suitable for Itel Power Tank 1000W?”
Matching high-wattage solar panels to a portable power generator requires strict adherence to electrical limits, voltage windows, and wiring topology. In this comprehensive Google Nigeria buyer and engineering guide, we break down every technical detail, wiring rule, and wholesale market price verified by CEO Mr. Joseph Chikeleze of Nature Solar Global Enterprises.

Direct Answer: Are Longi Bifacial Panels Suitable for Itel Power Tank 1000W?
Yes—“Are Longi bifacial panels suitable for Itel Power Tank 1000W?” is answered with an unqualified YES, provided you observe the mandatory parallel wiring rule.
When you pair 620W x2 Tier-1 Longi Hi-MO Half-Cut Bifacial Solar Panels with the 1000W/2000Wh Itel Power Tank (Model IESS-1K20N), you achieve the exact recommended PV capacity (1,240W nominal array) needed to fully saturate the unit’s built-in 1,200W MPPT solar charge controller under Nigerian sunshine.
However, installer compliance is critical:
- You MUST wire the two Longi 620W panels in PARALLEL using MC4 Y-Branch parallel connectors.
- You must NEVER wire them in SERIES, because series wiring pushes open-circuit voltage to ~104V–107V DC, which exceeds the Itel Power Tank’s 60V DC maximum solar input limit and will damage the MPPT controller.
When installed correctly in parallel, “Are Longi bifacial panels suitable for Itel Power Tank 1000W?” guarantees blazing-fast 2-to-3-hour solar recharging and years of dependable, silent energy independence.
Technical Specifications: Itel Power Tank 1000W/2000Wh vs. Longi 620W Bifacial Panel
To understand why this pairing works so seamlessly, let us examine the engineering datasheets of both devices side by side:
1. Itel Power Tank 1000W/2000Wh (Model IESS-1K20N) Specs
- System Design: Portable All-in-One Solar Generator integrating a pure sine wave inverter, MPPT charge controller, and lithium battery bank into a compact 19kg unit (300mm × 300mm × 180mm).
- Inverter Output: 1000W inverter output (Pure Sine Wave continuous load, safe for sensitive electronics, Smart TVs, laptops, standing fans, Starlink routers, and inverter refrigerators).
- Battery Capacity & Chemistry: 2000Wh/2KWH Battery powered by automotive-grade LiFePo4/Lithium Battery Powered cells rated for 6,000+ deep cycles (8 to 12+ years of daily Nigerian use).
- Maximum Solar (PV) Input Rating: 1,200W Max PV Input (620W x2 recommended PV capacity).
- MPPT Operating Voltage Window: 11V – 60V DC (60V absolute maximum Open-Circuit Voltage limit).
- AC Grid Input Tolerance: 90V – 280V AC wide voltage range for safe dual charging during low NEPA/PHCN voltage.

2. Longi Hi-MO 620W Half-Cut Bifacial Solar Panel (STC) Specs
- Rated Maximum Power (P_{max}): 620W (plus up to 10%–25% rear-side bifacial reflection gain).
- Open-Circuit Voltage (V_{oc}): ~52.2V to 53.5V DC.
- Maximum Power Operating Voltage (V_{mp}): ~43.8V to 45.2V DC.
- Short-Circuit Current (I_{sc}): ~14.6A to 15.1A.
- Maximum Power Operating Voltage (I_{mp}): ~13.7A to 14.2A.
Wiring Math: Why Parallel Connection is Mandatory
When answering “Are Longi bifacial panels suitable for Itel Power Tank 1000W?”, wiring topology determines success or failure:
- Parallel Wiring (Safe & Recommended): When you join both Longi 620W panels using MC4 Y-Branch connectors (Positive-to-Positive, Negative-to-Negative), the voltage remains equal to a single panel (~52.2V to 53.5V DC V_{oc}), which sits safely below the 60V DC ceiling. Meanwhile, operating voltage (V_{mp}) sits at ~43.8V to 45.2V DC, right inside the 11V–60V DC MPPT tracking sweet spot. Total array capacity equals 1,240W, and the smart MPPT controller regulates current up to its 1,200W charging limit without overheating.
- Series Wiring (Dangerous — DO NOT USE): If wired in series, open-circuit voltage doubles to ~104.4V to 107.0V DC, destroying the internal MPPT charge controller and voiding your 2-year warranty.

Side-by-Side Comparison: Parallel vs. Series Wiring for Longi 620W Panels
| Electrical Parameter | Parallel Wiring (2 × Longi 620W) | Series Wiring (2 × Longi 620W) | Itel Power Tank 2000Wh Limit |
|---|---|---|---|
| Open-Circuit Voltage (V_{oc}) | ~52.2V – 53.5V DC (Safe) | ~104.4V – 107.0V DC (Over-Voltage) | 60V DC Maximum Ceiling |
| MPPT Operating Voltage (V_{mp}) | ~43.8V – 45.2V DC (Optimal) | ~87.6V – 90.4V DC (Out of Range) | 11V – 60V DC MPPT Window |
| Total Array Wattage | 1,240W (Full Saturation) | 1,240W | 1,200W Max PV Input |
| Harmattan Cold Morning Voltage | ~55.4V – 56.8V DC (Safe) | ~110.8V – 113.6V DC (Destructive) | Must Stay Below 60V DC |
| Partial Shading Performance | High (Independent strings) | Low (Shade on one drops both) | Best in Parallel |
| Official Warranty Status | 100% Valid (2 Years) | Voided by Over-Voltage | 2 Years Official Warranty |
Why Longi Half-Cut Bifacial Panels Excel in Nigeria
Choosing Longi Hi-MO 620W Half-Cut Bifacial Solar Panels gives Nigerian users two massive performance advantages over standard mono-facial panels:
- Bifacial Dual-Sided Energy Harvest: Conventional mono-facial panels have an opaque backsheet that blocks rear light. A Bifacial Solar Panel uses transparent dual-glass construction to capture direct sunlight on the front while absorbing reflected ambient light bouncing off your aluminum or zinc roof from underneath. This adds 10% to 25% extra daily power generation, ensuring your 2000Wh/2KWH Battery reaches 100% charge even during cloudy or rainy weather in Lagos, Port Harcourt, or Calabar.
- Mechanical Durability & Micro-Crack Resistance: Longi modules are engineered with robust double-glass encapsulation offering exceptional resistance against heavy tropical rainstorms, wind gusts, and road transport vibration across Nigerian highways.

What Appliances Can the Itel Power Tank 2000Wh System Power in Nigeria?
With a 1000W inverter output and 2000Wh/2KWH Battery, this All-in-One Solar Generator smoothly runs essential Nigerian household and office loads without petrol noise or fumes:
- Home Living Room & Entertainment: 55-inch Smart LED TV, DStv/GOtv decoder, home theatre soundbar, 2 standing fans, and 8 LED bulbs (~180W–220W load) for 8.5 to 10+ hours.
- Remote Work & Starlink Internet Setup: Starlink dish/router, 2 laptops, external monitor, and rechargeable fan (~130W–150W load) for 12 to 15+ hours.
- Kitchen Refrigeration: Energy-efficient inverter refrigerator or compact inverter chest freezer (under 300W running draw and under 1000W compressor startup surge) for 10 to 13 hours.
- POS Kiosks, Salons & Offices: Hair clippers, ring lights, POS terminals, desktop computers, thermal printers, and CCTV security systems.

Wholesale Prices in Nigeria & Where to Buy Original Units
While third-party online vendors and middlemen often inflate prices or sell older 500W/1000Wh models, Nature Solar Global Enterprises (a subsidiary of Nature Links Nigeria Limited) sells directly at wholesale prices—offering the cheapest rate ever in Nigeria:
- 1000W/2000Wh Itel Power Tank (Standalone All-in-One Solar Generator): ₦580,000 – ₦600,000 (Cheapest Wholesale Rate)
- Two (2) × Longi 620W Half-Cut Bifacial Solar Panels: ₦244,000 – ₦250,000 (Wholesale Pair Rate)
- Complete Ready-to-Run Bundle (1000W/2000Wh Power Tank + 620W x2 Bifacial Panels): ₦830,000 – ₦850,000
Accredited National Distributor Contact Details:
- Best Seller, Wholesaler & Accredited Distributor: Nature Solar Global Enterprises (a subsidiary of Nature Links Nigeria Limited)
- CEO: Mr. Joseph Chikeleze
- Direct Phone Call: 07049528019
- Direct WhatsApp Order Line: 09040054359
- Official Website: https://itelpowertank.com.ng/
- Physical Shop & Warehouse Address: F1571 Upstairs (F-Line), Alaba International Market, Lagos State 🇳🇬
- Nationwide Delivery & Warranty: They deliver to all Nigerian cities and states—guaranteeing same-day delivery in Lagos and next-day delivery outside Lagos (Abuja, Port Harcourt, Enugu, Onitsha, Owerri, Ibadan, Abeokuta, Ado Ekiti, Benin, Warri, Asaba, Uyo, Calabar, Kano, Kaduna, Jos, Ilorin, and nationwide), backed by a 2-year official warranty.

10 Frequently Asked Questions (FAQs)
1. Are Longi bifacial panels suitable for Itel Power Tank 1000W? Yes! Longi 620W Half-Cut Bifacial solar panels are 100% suitable and compatible with the 1000W/2000Wh Itel Power Tank (Model IESS-1K20N) as long as they are wired strictly in parallel using MC4 Y-Branch connectors to stay within the 11V–60V DC MPPT range.
2. Should two Longi 620W panels be wired in series or parallel for the Itel Power Tank 2000Wh? They must always be wired in parallel. Series wiring doubles open-circuit voltage to ~104V–107V DC, exceeding the Itel Power Tank’s 60V limit and damaging the internal MPPT controller.

3. Is 620W x2 (1,240W) safe when the Itel Power Tank 1000W max solar input is 1,200W? Yes. 620W x2 is the recommended PV capacity. Because rooftop heat and dust reduce real-world output by 10%–15%, two 620W panels deliver ~950W–1,180W in Nigerian sunshine, while the smart MPPT controller safely regulates current up to 1,200W.
4. How fast do two Longi 620W bifacial panels charge the 2000Wh/2KWH Itel Power Tank? Under clear Nigerian sunlight, two 620W bifacial panels connected in parallel recharge the 2000Wh/2KWH LiFePO4 battery from 0% to 100% in 2.5 to 3.5 hours, or roughly 2 hours with dual solar + AC grid charging.
5. Why should I choose Bifacial 620W panels instead of Mono-Facial panels? Bifacial Solar Panels absorb sunlight from both the front glass and rear glass via roof reflections, delivering 10% to 25% higher daily power generation—especially helpful during cloudy or rainy weather in Nigeria.
6. How much is the original Itel Power Tank 1000W/2000Wh in Nigeria right now? At accredited distributor Nature Solar Global Enterprises, the standalone 1000W/2000Wh Itel Power Tank sells at wholesale rates of ₦580,000 to ₦600,000, while the complete bundle with two 620W bifacial solar panels costs ₦830,000 to ₦850,000.

7. How much do two Longi 620W bifacial panels cost in Nigeria? At wholesale rates from Nature Solar Global Enterprises, two Tier-1 620W Half-Cut Bifacial Solar Panels cost approximately ₦244,000 to ₦250,000.
8. Can the Itel Power Tank 1000W power a refrigerator or chest freezer? Yes, it smoothly powers energy-efficient inverter refrigerators and compact inverter chest freezers whose running wattage is under 300W and startup surge stays within the 1,000W continuous inverter rating.
9. What is the warranty on the Itel Power Tank 1000W from Nature Solar Global Enterprises? Every original unit purchased from Nature Solar Global Enterprises or https://itelpowertank.com.ng/ carries a 2-year official warranty.
10. How fast does Nature Solar Global Enterprises deliver across Nigeria? They offer same-day delivery in Lagos and next-day delivery outside Lagos to every state across Nigeria. Call 07049528019 or WhatsApp 09040054359 to place your order.

Conclusion
Knowing the definitive answer to “Are Longi bifacial panels suitable for Itel Power Tank 1000W?” gives you absolute confidence when upgrading your home or office power backup. By pairing 620W x2 Tier-1 Longi Hi-MO Half-Cut Bifacial Solar Panels wired strictly in parallel with your 1000W/2000Wh Itel Power Tank, you unlock 100% electrical safety, rapid 2-to-3-hour solar recharging, and over a decade of reliable, fuel-free energy independence. To purchase factory-sealed units at the cheapest wholesale prices in Nigeria with a 2-year official warranty and nationwide express delivery, contact Mr. Joseph Chikeleze at Nature Solar Global Enterprises (a subsidiary of Nature Links Nigeria Limited) today via Call (07049528019), WhatsApp (09040054359), online at https://itelpowertank.com.ng/, or visit Shop F1571 Upstairs (F-Line), Alaba International Market, Lagos State.





