---
product_id: 471464694
title: "16650 Rechargeable Battery with Battery Charger, 16650 Protected 3.7V Rechargeable Battery 1800mAh (2 Pack) - [Replacement for 2 x CR123 ]"
brand: "funkawa"
price: "€ 42.00"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.sk/products/471464694-16650-rechargeable-battery-with-battery-charger-16650-protected-3-7v
store_origin: SK
region: Slovakia
---

# 3A protected discharge current 500 recharge cycles 1800mAh high capacity 16650 Rechargeable Battery with Battery Charger, 16650 Protected 3.7V Rechargeable Battery 1800mAh (2 Pack) - [Replacement for 2 x CR123 ]

**Brand:** funkawa
**Price:** € 42.00
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smart, stay unstoppable.

## Quick Answers

- **What is this?** 16650 Rechargeable Battery with Battery Charger, 16650 Protected 3.7V Rechargeable Battery 1800mAh (2 Pack) - [Replacement for 2 x CR123 ] by funkawa
- **How much does it cost?** € 42.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/471464694-16650-rechargeable-battery-with-battery-charger-16650-protected-3-7v)

## Best For

- funkawa enthusiasts

## Why This Product

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

## Key Features

- • **Reliable Compatibility:** Perfect fit for popular flashlight models like Olight M1T Raider Plus and Streamlight PolyTac (except high-output modes).
- • **Effortless USB Charging:** Charge 1-2 batteries simultaneously with advanced trickle charge to prevent overheating and extend battery life.
- • **Durable & Compact Design:** Protected 16650 battery with a sleek 16.7 x 69mm form factor, engineered for professional-grade performance.
- • **Long-Lasting Power Boost:** 1800mAh capacity fuels your devices longer, so you never miss a moment.
- • **Smart Protection Circuitry:** Built-in PCB safeguards against overcharge, over-discharge, and overcurrent for ultimate battery health.

## Overview

The 16650 Protected Rechargeable Battery (1800mAh, 3.7V) offers 500 charge cycles with built-in safety features including overcharge, over-discharge, and overcurrent protection. Designed for select flashlight models, it includes a USB charger with advanced control to ensure safe, efficient charging. Compact and durable, this battery pack is a reliable upgrade from standard CR123 replacements.

## Description

16650 Rechargeable Battery with Battery Charger, 16650 Protected 3.7V Rechargeable Battery 1800mAh (2 Pack) - [Replacement for 2 x CR123 ]

## Features

- 【16650 Protected Specification 】: The Capacity is 1800mAh, Dimensions (Dia. x H.) -16.7 x69mm / 0.65 x 2.7 inch, 500 Times Cycle Life, 16650 Protected battery is longer 4mm than 16650 Non-Protected battery
- 【Battery Built-in Protection】: 16650 PROTECTED battery with over- charge protection,over -discharge protection,over current protection,Protect the battery to zero voltage
- 【 Fits for flashight models】: m4,Olight M1T Raider Plus,arisaka 600 series light,Streamlight PolyTac. (DO NOT NOT FIT P2X )
- 【 Important Note】the 16650 PROTECTED battery with PCB(Protect circuit board), the discharge current is 3A, DO NOT work well with high output mode flashlights, such as Stream light Pro-tac 2L X, surefire G2x, Streamlight Scorpion
- 【USB Charger】: Can charge 1-2 pcs 3.7v rechargeable batteries. With advanced control system, the charger turn to trickle charging automatically to prevent the batteries from over-voltage, over-current or over-heat

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 0.12 Kilograms |
| Color | Green,Red |
| Energy Specifications Met | CE, UL, RoHS |
| Battery Charge Time | 3.5 Hours |
| Current Rating | 0.8 Amps |
| Input Voltage | 5 Volts |
| Output Voltage | 4.2 Volts (DC) |

## Product Details

- **Number of Batteries:** 2 Lithium Ion batteries required. (included)
- **Brand:** funkawa
- **Battery Cell Composition:** Lithium Ion
- **Battery Capacity:** 1800 Milliampere Hour (mAh)
- **Voltage:** 3.7 Volts

## Images

![16650 Rechargeable Battery with Battery Charger, 16650 Protected 3.7V Rechargeable Battery 1800mAh (2 Pack) - [Replacement for 2 x CR123 ] - Image 1](https://m.media-amazon.com/images/I/71WUrRNKkBL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Rechargeable
*by M***H on March 4, 2024*

Love the fact that I am no longer throwing away worn out batteries from my flashlights any more. Now I just charge it up and use it without any worries. Then after usage, if over an hour of light I just throw it back on the charger and I am ready for another night.

### ⭐⭐⭐⭐⭐ Works well
*by R***T on July 29, 2024*

Had it for a while no and it hasn’t blown up yet so I’d say it works.

### ⭐⭐⭐⭐⭐ Rayovac recharge.
*by S***Y on April 30, 2025*

Works as it should in my Rayovac flashlight!

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**Shop now:** [https://www.desertcart.sk/products/471464694-16650-rechargeable-battery-with-battery-charger-16650-protected-3-7v](https://www.desertcart.sk/products/471464694-16650-rechargeable-battery-with-battery-charger-16650-protected-3-7v)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-11*