---
product_id: 35567126
title: "Streamlight 66143 Lithium ion Battery - Stylus Pro USB"
brand: "streamlight"
price: "€ 28.15"
currency: EUR
in_stock: true
reviews_count: 11
category: "Streamlight"
url: https://www.desertcart.pt/products/35567126-streamlight-66143-lithium-ion-battery-stylus-pro-usb
store_origin: PT
region: Portugal
---

# 3.7V Stable Voltage Output Rechargeable & Tool-Free Swap 660mAh Lithium-Ion Capacity Streamlight 66143 Lithium ion Battery - Stylus Pro USB

**Brand:** streamlight
**Price:** € 28.15
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your adventure with the ultimate rechargeable battery upgrade!

## Quick Answers

- **What is this?** Streamlight 66143 Lithium ion Battery - Stylus Pro USB by streamlight
- **How much does it cost?** € 28.15 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/35567126-streamlight-66143-lithium-ion-battery-stylus-pro-usb)

## Best For

- streamlight enthusiasts

## Why This Product

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

## Key Features

- • **Endless Power on Demand:** 660mAh lithium-ion tech delivers long-lasting, reliable energy for your Stylus Pro USB flashlight.
- • **Plug & Play Convenience:** No tools needed—swap batteries effortlessly and stay powered up wherever you go.
- • **Precision Fit Guaranteed:** Engineered specifically for Streamlight 66143 Stylus Pro USB, ensuring perfect compatibility and peak performance.
- • **Eco-Smart Rechargeability:** Rechargeable design cuts costs and waste, making it the sustainable choice for pros and adventurers alike.
- • **Trusted Quality & Warranty:** Backed by a 2-year limited warranty and a 4.8-star rating from nearly 500 users—power you can count on.

## Overview

The Streamlight 66143 Lithium Ion Battery is a high-capacity 660mAh rechargeable battery designed exclusively for the Stylus Pro USB flashlight. Offering a stable 3.7V output, it ensures long-lasting, reliable illumination. Tool-free installation and removal make battery swaps quick and hassle-free. Manufactured with quality assurance and backed by a 2-year warranty, this battery is the smart, eco-friendly choice for professionals and outdoor enthusiasts who demand dependable power on the go.

## Description

The Streamlight 66143 Stylus Pro USB Replacement Battery is a must-have accessory for anyone who owns the Streamlight 66143 Stylus Pro USB flashlight. This high-quality lithium ion battery provides longlisting power and reliable performance, ensuring that your flashlight is always ready when you need it. With its rechargeable design, this battery is not only more convenient than disposable batteries, but it also saves you money and reduces waste. Installing and removing the replacement battery is a breeze, with no tools required. Simply pop the old battery out and insert the new one, and you're ready to go. This makes it easy to keep your flashlight in top condition, even when you're on the go. Whether you're a professional who relies on your flashlight for work, or an outdoor enthusiast who needs a reliable source of light in the wilderness, the Streamlight 66143 Stylus Pro USB Replacement Battery is an essential accessory. With its longlisting power and easy-to-use design, it's the perfect complement to your Streamlight 66143 Stylus Pro USB flashlight.

Review: Great product and quality - Great price point. Fit my Streamlight Stylus Pro USB perfect. The battery holds good charge and acts like the original.
Review: Good product - Good product and came as described

## Features

- Lithium
- Made in the USA or Imported
- High-quality replacement battery for Streamlight 66143 Stylus Pro USB flashlight
- Lithium ion technology provides longlisting power and reliable performance
- Easy to install and remove, with no tools required
- Rechargeable design saves money and reduces waste compared to disposable batteries
- Ideal for professionals and outdoor enthusiasts who rely on their flashlight for work or recreation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00SZ5CBCW |
| Batteries | 1 Product Specific batteries required. (included) |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Capacity | 660 |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #58,524 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #64 in 3.7V Batteries #745 in Flashlights (Tools & Home Improvement) |
| Color | Black |
| Customer Reviews | 4.8 4.8 out of 5 stars (496) |
| Date First Available | January 30, 2015 |
| Description Pile | Lithium-Ion |
| Finish | Brushed |
| Included Components | 1 Unit, Battery |
| Item Package Quantity | 1 |
| Item Weight | 0.64 ounces |
| Item model number | 66143 |
| Manufacturer | Streamlight |
| Material | Plastic |
| Number Of Pieces | 1 |
| Part Number | 66143 |
| Pattern | Solid |
| Power Source | Manual |
| Product Dimensions | 4.9 x 0.53 x 0.52 inches |
| Shape | Rectangular |
| Size | One Size |
| Style | Classic |
| Usage | battery |
| Voltage | 3.7 Volts |
| Warranty Description | 2-year limited warranty. |

## Product Details

- **Battery Capacity:** 660
- **Battery Cell Composition:** Lithium Ion
- **Brand:** Streamlight
- **Number of Batteries:** 1 Product Specific batteries required. (included)
- **Recommended Uses For Product:** Camping, Caving, Medical, Tactical

## Images

![Streamlight 66143 Lithium ion Battery - Stylus Pro USB - Image 1](https://m.media-amazon.com/images/I/51kE3aa4pAL.jpg)

## Questions & Answers

**Q: Is this battery compatible with streamlight 66133 stylus pro usb 350-lumen?**
A: I put mine in a stylus pro USB.  Not sure of the model.    Works great

**Q: Is there a generic brand of battery that is like this one that will work in the streamlight stylus pro usb?? or is this the only one that works?**
A: I couldn't find one that fits, will have to buy the correct one (66143)

**Q: How many lumini is this battery?**
A: R=(Vs -Vf)/i where Vs is the supply voltage, Vf the forward, i the current, and R the forward resistor.  Typically a 2000 mAh battery will run an LED light for 100 hours

**Q: Where can i get charger to charge the 66143   3.7 volt battery.**
A: The flashlight is the charger.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product and quality
*by J***S on June 28, 2025*

Great price point. Fit my Streamlight Stylus Pro USB perfect. The battery holds good charge and acts like the original.

### ⭐⭐⭐⭐⭐ Good product
*by A***R on January 30, 2026*

Good product and came as described

### ⭐⭐⭐⭐⭐ It fit
*by R***S on February 20, 2026*

It is an exact replacement

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**Shop now:** [https://www.desertcart.pt/products/35567126-streamlight-66143-lithium-ion-battery-stylus-pro-usb](https://www.desertcart.pt/products/35567126-streamlight-66143-lithium-ion-battery-stylus-pro-usb)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-23*