# Rechargeable 9V Alkaline Battery Energizer 638401 (EN-423389) 9 V

**URL:** https://aio.lv/en/product--energizer-en-423389--12089304
**Data updated:** 2026-03-13 15:51 (EET)
**Category:** Batteries
**Manufacturer:** Energizer
**Manufacturer code:** EN-423389
**EAN:** 7638900095883
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--energizer-en-423389--12089304

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Rechargeable Energizer 638401 is a 9 V battery using alkaline rechargeable technology. It provides a nominal voltage of 9 V and is suitable for devices that require a standard 9-volt power source such as smoke detectors, multimeters, portable radios and guitar pedals. Designed for repeated charging cycles, it offers a reusable alternative to single‑use 9V cells.

## Long description

The Energizer Rechargeable 9V Alkaline Battery (model presented) is a reusable 9‑volt cell designed to replace single‑use 9V batteries in common household and professional devices. It uses alkaline rechargeable chemistry to deliver a nominal voltage of 9 V and a rated capacity of approximately 625 mAh, making it suitable for devices that need a stable 9‑volt power source. The cell is intended for repeated charging cycles, offering a lower-waste option compared with disposable 9V batteries and a reliable portable power solution when charged and maintained correctly.
Advantages
This rechargeable 9V battery combines the convenience of a standard 9‑volt form factor with the ability to be recharged multiple times, reducing the need for frequent replacements. The alkaline rechargeable chemistry provides stable voltage under typical loads, and the battery is designed with shelf life considerations so stored, charged cells retain useful charge for extended periods. Its capacity around 625 mAh supports moderate‑drain devices while offering the practicality of reuse.
Suitable for
 Smoke and CO detectors that accept rechargeable 9V cells
 Handheld multimeters and test equipment
 Portable radios and communication devices
 Guitar pedals and small audio processors
 Portable medical and electronic instruments with 9 V requirements
Key specifications
 Cell type: Rechargeable alkaline 9‑volt
 Nominal voltage: 9 V
 Typical capacity: 625 mAh
 Form factor: 9V rectangular snap connector
 Designed for repeated charge/discharge cycles
 Suitable for moderate‑drain devices
How to use
Charge the battery with a compatible charger designed for rechargeable alkaline 9V cells, following the charger manufacturer’s instructions. Insert the battery into the device ensuring correct polarity and secure connection to the snap terminals. For best performance, allow a full charge cycle before first use and avoid deep discharge whenever possible. Replace the battery in your device when runtime decreases noticeably or when the device indicates low battery.
Usage recommendations
Store charged batteries in a cool, dry place and avoid prolonged exposure to high temperatures. Use a charger that explicitly supports rechargeable alkaline 9V cells to prevent damage. For devices with critical safety functions (for example, smoke detectors), follow manufacturer guidance on acceptable rechargeable battery types and replace batteries according to device maintenance schedules.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery type | Rechargeable battery |
| Battery technology | Alkaline |
| Battery voltage | 9 V |
| Battery capacity | 625 mAh |
| Product colour | Black, Grey |

## FAQ

### How much does the Energizer 638401 Rechargeable 9V Alkaline Battery cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 33 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 14.07.2026 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 Energizer 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 Energizer 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery type, battery technology, battery voltage, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12089304/67625001_large.webp