# Rechargeable 18650 Li-Ion Battery PATONA 6525 — 3.7 V, 18×71 mm

**URL:** https://aio.lv/en/product--patona-6525--11954992
**Data updated:** 2026-03-11 13:52 (EET)
**Category:** Batteries
**Manufacturer:** PATONA
**Manufacturer code:** 6525
**EAN:** 4055655239370
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 48.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 40.49 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--patona-6525--11954992

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

PATONA 6525 is a rechargeable 18650 lithium‑ion (Li‑Ion) battery with a nominal voltage of 3.7 V and cylindrical dimensions of 18 mm × 71 mm. Designed for use in flashlights, power banks, vaporizers and other portable electronics that accept 18650 cells. Meets CE and RoHS compliance standards.

## Long description

PATONA 6525 is a rechargeable 18650 lithium‑ion (Li‑Ion) cell with a nominal voltage of 3.7 V and cylindrical dimensions of 18 × 71 mm. This premium 18650 battery includes integrated protection electronics and a USB-C charging input, allowing direct charging from USB-C ports, power banks or suitable USB power supplies. The cell is designed for devices that accept standard 18650 format batteries and complies with CE and RoHS directives.
Advantages
The PATONA Premium 18650 Pro offers a high-capacity 3300 mAh rating combined with low self-discharge, which preserves charge during storage and reduces the frequency of recharging. Built-in protective electronics guard against overcharge, over-discharge and short circuits when used with appropriate chargers and devices. The USB-C input provides convenient, universal charging without requiring a separate external charger for 18650 cells.
Suitable for
High-performance flashlights and torches
Portable power banks and DIY battery packs
Vaporizers and personal electronic devices designed for 18650 cells
Portable lighting, camping equipment and emergency kits
Key specifications
Cell type: Lithium‑ion (Li‑Ion), cylindrical 18650 (18 × 71 mm)
Nominal voltage: 3.7 V
Typical capacity: 3300 mAh
Integrated protection electronics for charge/discharge safety
Built-in USB-C charging input for direct charging via USB-C power sources
Low self-discharge for extended storage life
How to use
Insert the PATONA 18650 cell into devices that accept 18650 format batteries with the correct polarity. To recharge the battery using the built-in USB-C input, connect a compatible USB-C cable to a USB-C power source that meets the recommended charging parameters for 18650 Li‑Ion cells (charger output 4.2 V charging protocol). For charging in external chargers, ensure the charger is specified and approved for 18650 Li‑Ion cells and follows the proper 4.2 V termination. Always observe device and charger manufacturer instructions.
Usage recommendations
Use only chargers and power supplies that are approved for 18650 Li‑Ion cells and provide appropriate current and voltage control. Avoid deep discharges and do not expose the cell to high temperatures, water or mechanical damage. Store the battery in a cool, dry place and, when transporting, follow local regulations for lithium batteries. If the cell shows signs of swelling, unusual heat, leakage or damage, discontinue use and dispose of it according to local hazardous-waste guidelines.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery type | Rechargeable battery |
| Battery size(s) | 18650 |
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery voltage | 3.7 V |
| Number of batteries included | 1 pc(s) |
| Battery capacity | 3300 mAh |
| Product colour | Green, Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.046 kg |
| Height | 71 mm |
| Width | 18 mm |
| Depth | 18 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -20 - 55 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 49 g |
| Package depth | 21 mm |
| Package height | 72 mm |
| Package width | 21 mm |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | CE, RoHS |

## FAQ

### How much does the PATONA 6525 Rechargeable 18650 Li‑Ion 3.7 V cost, and is it available for purchase?

The price is 48.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 94 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 07.07.2026 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 PATONA 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 PATONA 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.

## Image

https://aio.lv/img/cache/product/11954992/67484104_large.webp