Trina Solar Ecoflow 520W Solar Panel
Product Code: NEG18R.28 BF
Availability: 4-6 business days
Planuojama gavimo data po užsakymo: 2026-07-17
Ex Tax: 115.70€
The Trina Solar EcoFlow 520W photovoltaic panel is designed to deliver high energy output for many years, combining Ni-TOPCon cells with a maximum efficiency of 22.9%. Its lightweight double-glass construction facilitates installation while offering high resistance to harsh weather conditions. The entire design has been optimized for broad compatibility with popular photovoltaic systems, making the panel ideal for both new installations and system expansions.
Maximum Efficiency and Stable Energy ProductionThe use of ni-TOPCon technology enables a maximum output power of 520 W and a positive power tolerance of 0/+5 W, meaning the panel delivers the rated power or even slightly more. An efficiency of up to 22.9% ensures effective use of available sunlight, and the low-voltage design enables the construction of high-power systems. An additional advantage is the low temperature coefficient of -0.29%/°C, thanks to which the panel maintains its performance better when operating at high temperatures. Power degradation is a maximum of 1% in the first year of operation, and only 0.4% per year in subsequent years, which helps maintain high energy yield for many seasons.
A design built for demanding conditionsThe durable double-glass construction combines low weight with high reliability and an enhanced A+C fire rating. The panel is designed to operate in a variety of environmental conditions and can easily withstand snow loads of up to 5,400 Pa and wind loads of up to 2,400 Pa. As a result, it performs well in locations exposed to heavy precipitation, strong gusts, or variable weather conditions, maintaining durability and operational stability over the long term.
Universal compatibility and easy installationThe panel is ideally suited for installation on the roofs of commercial and industrial (C&I;) buildings, while remaining compatible with popular photovoltaic modules, optimizers, and mounting systems. Carefully selected dimensions and weight facilitate transport and installation, allowing for a smoother setup process and convenient adaptation of the panel to various system configurations. This solution combines high efficiency, durability, and application flexibility in a single photovoltaic module.
| Manufacturer | EcoFlow |
|---|---|
| Model | NEG18R.28 BF |
| Photovoltaic Cells | Monocrystalline |
| Number of Cells | 108 |
| Dimensions | 1961 x 1134 x 30 mm |
| Weight | 23.5 kg |
| Front glass | 1.6 mm, high transmittance, AR-coated glass |
| Rear glass | 1.6 mm, high-transmittance, thermally strengthened glass |
| Frame | 30 mm, anodized aluminum alloy |
| J-box | IP68 rating, 3 bypass LEDs |
| Connection cables | 4.0 mm² PV cable, horizontal 1300/1300 mm, vertical 280/350 mm |
| Connector | TS4, TS4 Plus, MC4 EV02 |
Claim orders from Stores
You can claim your purchased items within 1 - 4 work days after making an order (if product is in local warehouse).
Please wait for an email notification regarding Your order status update.
Vilnius Store address: Vytenio g. 20, LT-03229 Vilnius, Lietuva
Kaunas Store address: Pramonės pr. 4D, LT-51329, Kaunas, Lietuva
Local delivery in Lithuania
Purchased items are delivered locally through Venipak service. Depending on availability of items, orders are processed within 1-3 work days. Orders made until 1AM are shipped the same day.
Local delivery (1-4 w.d.) price for items of any size is through through courier service is 4.90€ (incl. VAT), if the amount of the shopping cart exceeds 150€ - delivery is free.
Local delivery price to Venipak parcel terminals (1-3w.d.) is 2.90€ incl. VAT, if the amount of the shopping cart exceeds 50€ - delivery is free.
Local delivery price to Omniva parcel terminals (1-3w.d.) is 3.90€ incl. VAT,if the amount of the shopping cart exceeds 70€ - delivery is free.
Payment on delivery (COD) +2.00€ (incl. VAT).
You can pay for the goods at the time of delivery to the courier in cash or by credit card. Payment to Omniva parcel terminals is only possible by bank card.
A separate delivery fee applies to oversized items, regardless of the amounts and conditions stated above.
International delivery pricing through courier service
International shipping prices depend on geographic location:
Latvia - 5.50€ (incl. VAT)
Estonia - 6.50€ (incl. VAT)
Paid orders of more than 150€ are shipped for free to Latvia and Estonia.
other countries - negiotiated individually.
International delivery pricing to Omniva/Venipak parcel terminals
Latvia - 6.00€ (incl. VAT)
Estonia - 8.50€ (incl. VAT)
Payments:
We accept payments via PayPal for orders over 20€.

