# Battery pack extra digital 18V 4Ah Li-ion for power tools, AEG R840083 compatible (MPN TB921416)

**URL:** https://aio.lv/en/product--extra-digital-tb921416--10448345
**Data updated:** 2025-12-30 08:40 (EET)
**Category:** Power tool batteries
**Manufacturer:** extra digital
**Manufacturer code:** TB921416
**EAN:** 9990000921416
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 50.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 41.73 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-tb921416--10448345

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

Rechargeable 18V 4Ah Li-ion battery pack from extra digital, designed for use with AEG R840083-compatible power tools. Provides 4 ampere-hours capacity at 18 volts for extended runtime and stable power delivery. Suitable for cordless drills, drivers and other handheld tools; supports demanding jobs and reduces downtime with quick swaps between tasks.

## Long description

Rechargeable 18V 4.0Ah Li-ion battery pack compatible with AEG power tools and model R840083. The extra digital battery pack provides 4.0 Ah capacity at 18 volts for extended runtime and stable power delivery. It features low self-discharge for longer shelf life and is intended as a direct replacement or spare for AEG/RIDGID tools listed by compatible model and part numbers.
Advantages
The battery offers a large charge capacity and a low level of self-discharge, ensuring longer operating time between charges and reliable performance during typical cordless tool use. It is designed as a compatible replacement for AEG R840083 batteries and fits multiple tool models and part numbers.
Suitable for
Cordless drills and drivers
Angle grinders and cutting tools that accept AEG 18V battery packs
General handheld power tools used in construction, maintenance and DIY
Use as a spare battery to reduce downtime on job sites
Key specifications
Battery type: Li-ion
Voltage: 18 V
Capacity: 4.0 Ah
Brand (compatible): extra digital / compatible with AEG R840083
MPN/EAN reference: TB921416 / EAN 9990000921416
Warranty: 12 months
How to use
Charge the battery with a compatible 18V AEG/RIDGID charger before first use. Insert the battery into the tool’s battery slot until it locks in place. For continuous operation, keep a second charged pack available to swap when runtime is depleted. Follow the tool manufacturer’s guidelines for battery installation and removal to ensure correct contact and secure locking.
Usage recommendations
Store the Li-ion battery in a cool, dry place and avoid prolonged exposure to high temperatures. Charge and discharge the battery according to the charger and tool instructions, and use appropriate chargers designed for AEG 18V lithium-ion packs. Replace the battery when capacity or runtime noticeably decreases.

## FAQ

### How much does the Battery extra digital 18V 4Ah Li-ion AEG R840083 cost, and is it available for purchase?

The price is 50.49 € (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 29.06.2026 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/10448345/52470811_large.webp