# Rechargeable battery Wentronic 55509

**URL:** https://aio.lv/en/product--wentronic-55509--1956859
**Data updated:** 2025-12-29 10:29 (EET)
**Category:** Batteries
**Manufacturer:** WENTRONIC
**Manufacturer code:** 55509
**EAN:** 4040849555091
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Wentronic 55509 is a rechargeable AA battery featuring Nickel-Metal Hydride (NiMH) technology. With a depth of 49.5 mm, height of 50.5 mm, and diameter of 1.45 cm, it offers reliable power for various devices. Ideal for environmentally conscious users, this battery can be recharged multiple times, reducing waste and saving money in the long run.

## Long description

The Wentronic 55509 is a ready-to-use AA rechargeable battery based on Nickel-Metal Hydride (NiMH) technology. Pre-charged at the factory and designed with low self-discharge characteristics, the cell provides long-lasting standby capacity and remains at approximately 80% of its initial pre-charged capacity after 12 months. The battery is compatible with devices that use standard AA cells and supports repeated recharging to reduce waste.
Advantages
These Wentronic NiMH rechargeable batteries are pre-charged and usable immediately, offer low self-discharge for extended shelf life, and are rechargeable up to 1000 cycles, which reduces environmental impact and long-term operating costs. Their standard AA size and stable voltage make them suitable for a wide range of consumer electronics.
Suitable for
 Remote controls
 Wireless mice and keyboards
 Digital cameras and flash units
 Toys and portable audio devices
 Clocks and small household electronics
Key specifications
 Brand: WENTRONIC
 Model / MPN: 55509
 Type: AA (NiMH) rechargeable battery
 Pre-charged: Yes (ready to use)
 Recharge cycles: up to 1000 times
 Self-discharge: approx. 20% loss after 12 months (retains ~80%)
 Dimensions: depth 49.5 mm, height 50.5 mm, diameter 1.45 cm
 EAN: 4040849555091
How to use
Insert the Wentronic 55509 AA battery into compatible devices observing correct polarity. If the device allows hot-swapping, replace depleted cells with charged ones. Recharge the battery using a charger suitable for NiMH AA cells; follow the charger manufacturer’s instructions for charge current and duration. Do not attempt to charge in chargers intended for other battery chemistries.
Usage recommendations
Store the batteries in a cool, dry place and avoid prolonged exposure to high temperatures. For maximum lifespan, charge before first use if recommended by your charger and avoid deep discharges when possible. Use a dedicated NiMH-compatible charger and recycle batteries according to local regulations.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery type | Rechargeable battery |
| Battery size(s) | AA |
| Battery technology | Nickel-Metal Hydride (NiMH) |
| Battery voltage | 1.2 V |
| Number of batteries included | 1 pc(s) |
| Battery capacity | 2100 mAh |
| Product colour | Green |
| Battery recharge cycles (max) | 500 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.029 kg |
| Height | 50.5 mm |
| Depth | 49.5 mm |
| Diameter | 14.5 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -20 - 60 |
| Operating temperature (T-T) | -10 - 60 |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 WENTRONIC 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 WENTRONIC 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, number of batteries included, weight, battery size(s), 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.

### Where can I download the instructions for Rechargeable battery Wentronic 55509?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1956859/64193278_large.webp