# Rechargeable Battery extra digital VIOMI S9 14.4V 5.2Ah Li-ion

**URL:** https://aio.lv/en/product--extra-digital-tb921980--10981001
**Data updated:** 2025-12-30 15:01 (EET)
**Category:** Power tool batteries
**Manufacturer:** extra digital
**Manufacturer code:** TB921980
**EAN:** 9990000921980
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 20.24 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-tb921980--10981001

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 19.06.2026 | free |
| Pickup points | 26.06.2026 | 1.99 EUR |
| Courier delivery to door | 26.06.2026 | 4.99 EUR |

## Summary description

Rechargeable Li‑ion battery for VIOMI S9 devices, model by extra digital with nominal voltage 14.4V and capacity 5.2Ah. Designed to replace or extend runtime for compatible cordless cleaning devices, it provides portable power for longer operation between charges. Suitable for users needing a spare or replacement battery to maintain device performance.

## Long description

Rechargeable 14.4V Li‑ion battery with 5.2Ah (72Wh) capacity, designed as a replacement or spare power source for a range of cordless vacuum cleaners from brands including Lydsto, Viomi, Roidmi, Proscenic and Uoni. The extra digital battery model TB921980 provides higher runtime between charges and features low self‑discharge for reliable standby performance.
Advantages
The battery offers a large nominal capacity of 5200mAh for extended cleaning sessions and operates at a nominal voltage of 14.4V. As a Li‑ion cell pack it has a low self‑discharge rate, compact form factor and is intended to be a direct replacement for compatible vacuum models and referenced part numbers NR18650 and M26-4S2P.
Suitable for
Replacing a depleted battery in compatible cordless vacuum cleaners
Keeping a spare battery to extend runtime during long cleaning tasks
Maintaining performance of older devices by restoring battery capacity
Key specifications
Capacity: 5200 mAh (72 Wh)
Battery type: Li‑ion
Nominal voltage: 14.4 V
Compatible part numbers: NR18650, M26-4S2P
Manufacturer model: extra digital TB921980
Warranty period: 12 months
How to use
Switch off and remove the vacuum cleaner from any charging station before replacing the battery. Follow the device manufacturer’s instructions to access the battery compartment, remove the old pack and fit the new battery securely, ensuring connectors align correctly. After installation, charge the battery fully using the original charger or a compatible charger recommended by the vacuum manufacturer before first use.
Usage recommendations
For safe operation, use this Li‑ion battery only in compatible models listed by the manufacturer, avoid exposure to extreme heat, and store at moderate charge if not used for extended periods. Dispose of the battery in accordance with local recycling regulations.

## FAQ

### How much does the Battery extra digital VIOMI S9 14.4V 5.2Ah cost, and is it available for purchase?

The price is 24.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 19.06.2026 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. All transactions are 100% secure and encrypted.

### 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 extra digital 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 extra digital 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

https://aio.lv/img/cache/product/10981001/61416260_large.webp