# Rechargeable lithium-ion battery XTAR 18650-4000 3.6V 4000mAh, 69.2 mm × 18 mm, 1 pc

**URL:** https://aio.lv/en/product--xtar-18650-4000--11573033
**Data updated:** 2026-01-30 10:12 (EET)
**Category:** Batteries
**Manufacturer:** XTAR
**Manufacturer code:** 18650-4000
**EAN:** 6952918302384
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Single rechargeable XTAR 18650-4000 lithium-ion cell with nominal voltage 3.6 V and capacity 4000 mAh. Physical dimensions are 69.2 mm height and 18 mm diameter. Designed for devices that accept 18650 cells such as flashlights, power banks and electronics. Provides high-capacity energy storage; follow handling warnings to avoid contact with battery contents.

## Long description

Single rechargeable XTAR 18650-4000 lithium‑ion cell with nominal voltage 3.6 V and capacity 4000 mAh. The cell measures 69.2 mm in height and 18 mm in diameter and is intended for devices that accept 18650 batteries, such as flashlights, power banks and various electronic devices. Handle and store according to safety warnings to avoid exposure to battery contents.
Advantages
The battery offers high capacity for extended run time, a standard 18650 size compatible with many devices, and a rechargeable lithium‑ion chemistry for repeated use. Compact cylindrical form factor and nominal voltage suitable for common portable electronics.
Suitable for
Flashlights and torches
Portable power banks
Rechargeable electronic devices that accept 18650 cells
Battery packs and DIY electronics projects
Key specifications
Capacity: 4000 mAh
Nominal voltage: 3.6 V
Chemistry: Lithium‑ion (rechargeable)
Height: 69.2 mm
Diameter: 18 mm
Quantity: 1 cell
How to use
Insert the cell into devices designed for 18650 batteries following the device manufacturer’s polarity and installation instructions. Charge the battery only with a compatible charger designed for lithium‑ion cells and monitor charging until complete. Do not use damaged or swollen cells; replace if the battery shows signs of damage.
Usage recommendations
Avoid contact of battery contents with eyes and skin. In case of accidental contact, rinse thoroughly with water and seek medical attention. Store and transport cells in a cool, dry place away from direct heat sources and metal objects that could short the terminals.

## 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 XTAR 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 XTAR 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/11573033/66601686_large.webp

