# Rechargeable Li-ion Battery NAC B-40-LI-20V 20V 4Ah for power tools

**URL:** https://aio.lv/en/product--nac-b-40-li-20v--4830541
**Data updated:** 2026-02-12 14:15 (EET)
**Category:** Power tool batteries
**Manufacturer:** NAC
**Manufacturer code:** B-40-LI-20V
**EAN:** 5902490740167
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 46.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 38.42 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--nac-b-40-li-20v--4830541

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

NAC B-40-LI-20V is a rechargeable 20V Li-ion battery with 4Ah capacity designed for compatible power tools. It provides portable power for drilling, cutting and general workshop tasks, offering stable voltage and extended runtime compared to lower-capacity cells. Suitable as a replacement or spare battery to increase work continuity and reduce downtime.

## Long description

NAC B-40-LI-20V is a rechargeable 20V Li‑ion battery with 4Ah capacity designed for compatible power tools. It supplies portable, stable power for drilling, cutting and general workshop tasks, providing longer runtime than lower‑capacity cells and enabling continuity during extended jobs. The battery is intended as a replacement or spare to reduce interruptions and keep cordless tools operational on site or in the shop.
Advantages
The battery offers a compact form factor with a high energy density typical of lithium‑ion cells, delivering consistent 20V output throughout discharge. Its 4Ah capacity increases runtime for repetitive tasks, while the rechargeable design reduces the need for disposable cells. The pack is compatible with matching tool platforms and can be cycled multiple times with proper charging and storage practices.
Suitable for
Cordless drills and drivers
Portable saws and cutting tools
Workshop sanding and grinding tools
Outdoor cordless equipment within the same voltage platform
Replacement or spare battery to extend on‑site work time
Key specifications
Chemistry: Lithium‑ion (Li‑ion)
Nominal voltage: 20 volts
Capacity: 4 ampere‑hours (Ah)
Suitable for cordless power tools in the same voltage class
Rechargeable single battery pack for portable use
How to use
Insert the battery into a compatible 20V tool following the tool manufacturer's instructions until it locks into place. Use a compatible charger designed for 20V Li‑ion packs; charge the battery fully before first use and between long intervals of use to maintain performance. Remove the battery from the tool when not in use or when performing maintenance on the tool. Observe recommended temperature and handling limits printed by tool and charger manufacturers.
Usage recommendations
Store the battery in a cool, dry place and avoid prolonged exposure to high temperatures. For prolonged storage, leave the battery at around 30–50% state of charge. Do not disassemble, crush, or expose the battery to fire or water. Use only compatible chargers and follow manufacturer guidance for charging cycles to maximize lifespan and safety.

## FAQ

### How much does the NAC B-40-LI-20V Li-ion Battery 20V 4Ah cost, and is it available for purchase?

The price is 46.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 08.07.2026 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. 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 NAC 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 NAC 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/4830541/30384159_large.webp