---
product_id: 477011340
title: "WATTNINE 3.7v Li-ion 18650 Battery with 2-pin JST Connector | Lithium Ion Cylindrical Battery for Flashlights, Toys, GPS Trackers, Medical and Robotics Applications (3.7V 2600mAh)"
brand: "wattnine"
price: "79 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/477011340-wattnine-3-7v-li-ion-18650-battery-with-2-pin
store_origin: DK
region: Denmark
---

# 2600mAh capacity 3.7V nominal voltage 2A discharge current WATTNINE 3.7v Li-ion 18650 Battery with 2-pin JST Connector | Lithium Ion Cylindrical Battery for Flashlights, Toys, GPS Trackers, Medical and Robotics Applications (3.7V 2600mAh)

**Brand:** wattnine
**Price:** 79 kr
**Availability:** ✅ In Stock

## Summary

> 🔋 Energize Your Life with WATTNINE!

## Quick Answers

- **What is this?** WATTNINE 3.7v Li-ion 18650 Battery with 2-pin JST Connector | Lithium Ion Cylindrical Battery for Flashlights, Toys, GPS Trackers, Medical and Robotics Applications (3.7V 2600mAh) by wattnine
- **How much does it cost?** 79 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/477011340-wattnine-3-7v-li-ion-18650-battery-with-2-pin)

## Best For

- wattnine enthusiasts

## Why This Product

- Trusted wattnine brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Tested discharge current up to 2A ensures safe and efficient usage.
- • **Fast Charging Ready:** Designed for quick charging at 1A, keeping you on the go.
- • **Reliable Performance:** Experience consistent power with a nominal voltage of 3.7V.
- • **Power Up Your Devices:** Unleash the potential of your gadgets with a robust 2600mAh capacity.
- • **Versatile Compatibility:** Perfect for flashlights, toys, GPS trackers, and more!

## Overview

The WATTNINE 3.7V Li-ion 18650 Battery is a high-performance cylindrical battery designed for a variety of applications, including flashlights, toys, GPS trackers, and medical devices. With a capacity of 2600mAh and a nominal voltage of 3.7V, it offers reliable power and fast charging capabilities, making it an essential component for your tech needs.

## Description

This is a single cell Lithium Battery with wire built using 18650 cells. All the cells are connected in series and thus provide a nominal output voltage of 3.7 volts. The battery pack consists of an in-built BMS which ensures safe operation of the cells during charging and discharging.

## Features

- Charging Voltage - 4.2V
- Charging Current - 1A
- Nominal Pack Voltage - 3.7V
- Discharge Current - Tested upto 2A
- Charging Method: TP4056 (not included)

## Images

![WATTNINE 3.7v Li-ion 18650 Battery with 2-pin JST Connector | Lithium Ion Cylindrical Battery for Flashlights, Toys, GPS Trackers, Medical and Robotics Applications (3.7V 2600mAh) - Image 1](https://m.media-amazon.com/images/I/51+qkDL3FCL.jpg)
![WATTNINE 3.7v Li-ion 18650 Battery with 2-pin JST Connector | Lithium Ion Cylindrical Battery for Flashlights, Toys, GPS Trackers, Medical and Robotics Applications (3.7V 2600mAh) - Image 2](https://m.media-amazon.com/images/I/510On+GpdgL.jpg)
![WATTNINE 3.7v Li-ion 18650 Battery with 2-pin JST Connector | Lithium Ion Cylindrical Battery for Flashlights, Toys, GPS Trackers, Medical and Robotics Applications (3.7V 2600mAh) - Image 3](https://m.media-amazon.com/images/I/71b2heUeiaL.jpg)
![WATTNINE 3.7v Li-ion 18650 Battery with 2-pin JST Connector | Lithium Ion Cylindrical Battery for Flashlights, Toys, GPS Trackers, Medical and Robotics Applications (3.7V 2600mAh) - Image 4](https://m.media-amazon.com/images/I/413ykshb0SL.jpg)
![WATTNINE 3.7v Li-ion 18650 Battery with 2-pin JST Connector | Lithium Ion Cylindrical Battery for Flashlights, Toys, GPS Trackers, Medical and Robotics Applications (3.7V 2600mAh) - Image 5](https://m.media-amazon.com/images/I/31fFH-NIYBL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.dk/products/477011340-wattnine-3-7v-li-ion-18650-battery-with-2-pin](https://www.desertcart.dk/products/477011340-wattnine-3-7v-li-ion-18650-battery-with-2-pin)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-02*