# Off-grid inverter Qoltec 53887 solar inverter 10 kVA Lithium Polymer Black

**URL:** https://aio.lv/en/product--qoltec-53887--6850992
**Data updated:** 2025-12-30 06:06 (EET)
**Category:** Solar Panel Accessories
**Manufacturer:** QOLTEC
**Manufacturer code:** 53887
**EAN:** 5901878538877
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 314.49 €
**Prices and availability valid until:** 2026-07-08 23:59
**Price without VAT (21%):** 259.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-53887--6850992

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 9.54 EUR |

## Summary description

The Qoltec 53887 is a powerful off-grid inverter with a maximum output of 10 kVA. It operates with a minimum input voltage of 90 V and utilizes advanced Lithium Polymer (LiPo) battery technology. The inverter features active cooling and is equipped with essential power protection features including overheating, overload, and short circuit protection. Its LCD display provides clear operational information. Weighing only 10.5 kg, it is a reliable and efficient solution for off-grid power needs.

## Long description

The Qoltec 53887 off-grid hybrid inverter converts DC energy from PV modules into AC power for household appliances. It functions as both a solar charger and a battery charger, includes a built-in 100A MPPT charge controller, and features a multifunctional LCD display for monitoring operating data. The unit supports connection of an optional Wi‑Fi module, does not support BMS, and is designed to operate in off-grid mode with active cooling and protection against overheating, overload and short circuit.
Advantages
The inverter provides a maximum output of 10 kVA while accepting a minimum input voltage of 90 V, and is compatible with Lithium Polymer (LiPo) battery systems. Its integrated 100A MPPT regulator optimizes solar charging, the LCD display enables continuous system monitoring, and the device includes essential safety protections. The inverter is compact and relatively lightweight (10.5 kg), making installation and handling easier in off-grid PV systems.
Suitable for
 Off-grid homes and cabins requiring a 10 kVA inverter
 Small commercial sites or workshops without a stable mains connection
 Solar PV systems with LiPo battery storage
 Installations needing MPPT solar charging and monitoring via LCD (Wi‑Fi optional)
Key specifications
 Model: Qoltec 53887
 Maximum output: 10 kVA
 Minimum input voltage: 90 V
 Battery technology: Lithium Polymer (LiPo)
 Built-in MPPT charge controller: 100A
 Display: Multifunctional LCD
 Cooling: Active cooling
 Protections: Overheating, overload, short circuit
 BMS support: Not supported
 Optional connectivity: Wi‑Fi module (sold separately)
 Weight: 10.5 kg
 Brand: QOLTEC, MPN: 53887, EAN: 5901878538877
How to use
Install the Qoltec 53887 according to local electrical codes and the manufacturer's installation instructions, connecting PV modules to the MPPT input, the LiPo battery bank to the battery terminals, and AC loads to the inverter output. Configure system parameters and monitor operating data via the built-in LCD display. If remote monitoring is required, install the compatible Wi‑Fi module and follow the setup procedure. Ensure proper ventilation for active cooling and verify all protective settings before putting the system into regular operation.
Usage recommendations
For reliable long-term performance, use a compatible Lithium Polymer battery bank sized according to your load profile, keep the inverter in a ventilated, dust-free location, and perform regular inspections of PV connections and battery condition. Do not connect a battery management system (BMS) expecting supported communication, as BMS is not supported by this model.

## Specifications

| Feature | Value |
|---|---|
| Weight | 10.5 kg |
| Battery technology | Lithium Polymer (LiPo) |
| Storage temperature (T-T) | -15 - 60 |
| Package weight | 11500 g |
| Operating temperature (T-T) | -10 - 50 |
| Product colour | Black |
| Package depth | 590 mm |
| Package height | 208 mm |
| Package width | 390 mm |
| Maximum power | 5500 W |
| Efficiency | 93 % |
| Cooling type | Active |
| Power protection features | Short circuit, Overload, Overheating |
| Number of phases | 1 |
| Built-in display | Yes |
| Input operation voltage (max) | 280 V |
| Input operation voltage (min) | 90 V |
| DC input voltage | 230 |
| Output frequency | 50/60 |
| Display technology | LCD |
| Waveform | Pure sine |
| Product type | Off-grid inverter |
| Output power capacity (max) | 10 kVA |
| Built-in fan | Yes |
| Sustainability compliance | Yes |
| Warranty period | 2 year(s) |
| Compliance certificates | CE |

## FAQ

### How much does the Off-grid inverter 53887 cost, and is it available for purchase?

The price is 314.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 100 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 02.07.2026 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 Off-grid inverter 53887 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 QOLTEC 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 QOLTEC 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

## Image

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