# Battery Charger GP Batteries PowerBank B421

**URL:** https://aio.lv/en/product--gp-130b421cd210aac4--3613031
**Data updated:** 2026-04-14 14:15 (EEST)
**Category:** Battery chargers
**Manufacturer:** GP
**Manufacturer code:** 130B421CD210AAC4
**EAN:** 4891199199400
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 50.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 42.14 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--gp-130b421cd210aac4--3613031

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

The GP Batteries PowerBank B421 is a reliable battery charger designed for household use. It supports Nickel-Metal Hydride (NiMH) batteries, specifically AAA size with a capacity of 850 mAh. With a compact design (82mm x 82mm x 27mm), it operates on a DC power source with an input voltage of 5V and current of 1A, ensuring efficient charging. The charger is lightweight and easy to use, making it a perfect addition to your home battery management.

## Long description

The GP Batteries PowerBank B421 is a compact charger for household Nickel-Metal Hydride (NiMH) AAA batteries with a nominal capacity of 850 mAh. Designed for simple everyday use, the unit accepts a 5V DC input at 1A and provides a straightforward charging solution for small devices that rely on AAA NiMH cells. Its small footprint (82mm x 82mm x 27mm) and lightweight construction make it convenient to store and carry, while basic charging controls and indicators help monitor charging status.
Advantages
The charger delivers a reliable, energy-efficient charge for AAA NiMH batteries and is easy to operate with minimal setup. Its compact dimensions and low weight make it suitable for household storage and travel. The device’s 5V DC input allows charging from common USB power sources that provide 1A, enabling flexible placement and use. Built for routine charging tasks, it supports frequent battery rotation and replacement in small electronics.
Suitable for
Charging AAA NiMH rechargeable batteries (850 mAh)
Maintaining spare batteries for remote controls, wireless mice, and small toys
Home use where a compact, USB-powered charger is preferred
Users who need a basic, easy-to-store charging solution for everyday devices
When it may not be suitable
This charger is not intended for charging other battery chemistries such as lithium-ion or alkaline batteries. It is also limited to AAA-sized NiMH cells and does not support AA or specialty cell sizes. For applications that require fast charging, high-current output, or advanced battery diagnostics, a more feature-rich charger would be preferable.
Key specifications
Supported battery chemistry: Nickel-Metal Hydride (NiMH)
Supported battery size: AAA
Typical battery capacity supported: 850 mAh
Input power: DC 5 V, 1 A
Physical dimensions: 82 mm x 82 mm x 27 mm
Design: Compact and lightweight
How to use
Insert AAA NiMH batteries in the correct orientation into the charger’s slots and connect the unit to a 5V DC, 1A USB power source. The charger’s indicators will show charging status—observe the display or LEDs to determine when batteries are fully charged. After charging completes, disconnect the power source and remove the batteries. Follow standard safety precautions for NiMH cells: avoid charging damaged batteries and do not leave charging unattended for extended periods.
What to consider before purchase
Compatibility with AAA NiMH batteries only; it does not charge AA, Li-ion, or alkaline cells
Requires a 5V DC, 1A USB power source for operation
Intended for household and occasional use rather than professional or high-rate charging
Usage recommendations
For best results, charge batteries at room temperature and use batteries with comparable states of charge and age in the same charging session. Store the charger in a dry place when not in use and inspect batteries for damage before charging.

## Specifications

### Power

| Feature | Value |
|---|---|
| Input voltage | 5 |
| Output voltage | 5 |
| Input current | 1 |
| Output current | 1 A |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Nickel-Metal Hydride (NiMH) |
| Battery capacity | 850 mAh |
| Battery voltage | 1.2 V |
| Batteries included | Yes |
| Battery size | AAA |

### Design

| Feature | Value |
|---|---|
| LED indicators | Y |
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0715 kg |
| Height | 27 mm |
| Width | 82 mm |
| Depth | 82 mm |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | Micro-USB |
| Quantity per pack | 1 pc(s) |

### Features

| Feature | Value |
|---|---|
| Number of batteries supported | 4 |
| Compatible battery sizes | AAA, AA |
| Compatible battery technologies | Nickel-Metal Hydride (NiMH) |
| Power source type | DC |
| Suitable for | Household battery |

## FAQ

### How much does the Battery Charger GP Batteries PowerBank B421 cost, and is it available for purchase?

The price is 50.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 30.06.2026 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: Cash payment, 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 GP 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 GP 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: weight, number of batteries supported, product colour, compatible battery sizes, 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 Battery Charger GP Batteries PowerBank B421?

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/3613031/64219881_large.webp