# Solar panel EcoFlow Trina SLTSM-450NEG9R.28 450W monocrystalline

**URL:** https://aio.lv/en/product--ecoflow-sltsm-450neg9r28--12269309
**Data updated:** 2026-04-16 14:15 (EEST)
**Category:** Solar Panels
**Manufacturer:** EcoFlow
**Manufacturer code:** SLTSM-450NEG9R.28
**EAN:** 5905515626231
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 134.49 €
**Prices and availability valid until:** 2026-08-10 23:59
**Price without VAT (21%):** 111.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ecoflow-sltsm-450neg9r28--12269309

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

EcoFlow Trina SLTSM-450NEG9R.28 is a 450W solar panel designed for photovoltaic power generation. As a high-output module from Trina, it provides steady DC power for grid-tied systems, off-grid installations, and battery charging setups. Suitable for residential and commercial solar arrays, it supports efficient energy harvesting and integration with inverters and charge controllers.

## Long description

EcoFlow Trina SLTSM-450NEG9R.28 is a 450W monocrystalline solar panel designed for reliable photovoltaic power generation. The module converts sunlight into steady DC output suitable for grid-tied systems, off-grid installations, and battery charging. Built for residential and commercial arrays, it integrates with inverters and charge controllers to support efficient energy harvesting and continuous operation.
Advantages
The panel offers a high nominal output of 450 watts and employs monocrystalline cells to achieve relatively high efficiency within a compact footprint. Its construction is intended to provide stable electrical performance under standard test conditions and allows straightforward mounting in series or parallel arrays. The product is compatible with typical solar inverters and charge controllers and is suitable for mixed residential and commercial applications.
Suitable for
Grid-tied rooftop or ground-mounted arrays for homes and small businesses
Off-grid systems paired with batteries and charge controllers
Hybrid systems where panels charge battery storage and feed an inverter
Expanding existing solar installations to increase output capacity
When it may not be suitable
The panel is optimized for photovoltaic power generation but may not be the best choice where ultra-high-efficiency or space-constrained installations demand the absolute highest watts-per-square-metre panels available on the market. It is also not a standalone solution for systems that require integrated microinverters or embedded rapid-shutdown electronics unless additional external components are added.
Key specifications
Nominal power: 450 W
Cell technology: Monocrystalline
Output type: DC power suitable for inverters and charge controllers
Intended use: Residential and commercial photovoltaic arrays, off-grid battery charging
How to use
Install the panel on a suitably rated mounting structure, aligned and tilted for optimal solar exposure at the installation site. Connect panels in series or parallel according to the system voltage and current requirements and in compliance with the inverter or charge controller specifications. Use proper DC cabling, connectors, and overcurrent protection. Commission the array following local electrical codes and manufacturer guidelines for safe operation and optimal energy yield.
What to consider before purchase
Compatibility with your inverter or charge controller voltage and current limits
Mounting space and tilt orientation available at the installation site
System design requirements for series/parallel configurations and string sizing
Local regulations and certification needs for solar equipment installation
Usage recommendations
For reliable performance, pair the panel with an inverter or charge controller that matches the system voltage and follow recommended string sizing. Keep modules clean and free of debris, and schedule periodic inspections of mounting hardware and electrical connections to maintain efficiency and safety.

## FAQ

### How much does the EcoFlow Trina SLTSM-450NEG9R.28 450W solar panel cost, and is it available for purchase?

The price is 134.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 16 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 27.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can EcoFlow Trina SLTSM-450NEG9R.28 450W solar panel be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All EcoFlow products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized EcoFlow service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty