---
product_id: 486681759
title: "(2-Pack) 3.6V 2000mAh Ni-MH Battery for Craftsman 73904, OSA-343 | Fits Unitech AA1800mAh and KTK KIK AA1400mAh compatible flashlights and emergency lights; includes 8-inch wire leads."
brand: "lunggwey"
price: "$61.91"
currency: USD
in_stock: true
category: "Lunggwey"
url: https://www.desertcart.us/products/486681759-2-pack-3-6v-2000mah-ni-mh-battery-for-craftsman
store_origin: US
region: United States of America
---

# 1800mAh long-lasting capacity 3.6V high voltage power 8-inch pre-wired connector (2-Pack) 3.6V 2000mAh Ni-MH Battery for Craftsman 73904, OSA-343 | Fits Unitech AA1800mAh and KTK KIK AA1400mAh compatible flashlights and emergency lights; includes 8-inch wire leads.

**Brand:** lunggwey
**Price:** $61.91
**Availability:** ✅ In Stock

## Summary

> 🔋 Stay Powered, Stay Prepared: The Backup Battery Your Exit Signs Deserve

## Quick Answers

- **What is this?** (2-Pack) 3.6V 2000mAh Ni-MH Battery for Craftsman 73904, OSA-343 | Fits Unitech AA1800mAh and KTK KIK AA1400mAh compatible flashlights and emergency lights; includes 8-inch wire leads. by lunggwey
- **How much does it cost?** $61.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/486681759-2-pack-3-6v-2000mah-ni-mh-battery-for-craftsman)

## Best For

- lunggwey enthusiasts

## Why This Product

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

## Key Features

- • **Cost-Saving Replacement:** Avoid expensive full-unit replacements—upgrade your emergency lighting affordably
- • **Plug & Play Convenience:** Comes with 203mm (8 in) wire leads and correct polarity connector for hassle-free installation
- • **Universal Compatibility:** Seamlessly replaces multiple models including Craftsman 73904 and Unitech AA1800mAh
- • **Extended Runtime, Less Downtime:** High-capacity 1800mAh cells deliver reliable, long-lasting backup power
- • **Power Up Your Emergency Lighting:** 3.6V Ni-MH battery designed specifically for LED flashlights and exit lights

## Overview

This 2-pack of 3.6V 1800mAh Ni-MH AA batteries is engineered for emergency and exit lighting systems, offering a high-capacity, reliable power source with easy installation via pre-attached 8-inch wire leads. Compatible with multiple popular models, it provides a cost-effective, long-lasting replacement solution trusted by professionals.

## Description

Buy Lunggwey (2-Pack) 3.6V 2000mAh Ni-MH Battery for Craftsman 73904, OSA-343 | Fits Unitech AA1800mAh and KTK KIK AA1400mAh compatible flashlights and emergency lights; includes 8-inch wire leads.: AA - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- BUILT FOR LIGHTING DEVICES – 3.6V 2000mAh Ni-MH battery compatible with LED flashlights and emergency/exit light systems
- REPLACES MULTIPLE MODELS – Compatible with lower capacity 3.6V 1400mAh and 1800mAh Ni-MH packs
- READY TO INSTALL – Includes 203 mm (8 in) wire leads with correct connector and polarity
- HIGH-CAPACITY BACKUP POWER – Offers long-lasting performance for commercial lighting and battery backup units
- COMPATIBLE MODELS – Craftsman 73904 Unitech AA1800mAh OSI OSA-343 KTK KIK AA1400mAh

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B17LSP3C |
| Amperage | 3.6 A |
| Antenna Location | Emergency |
| Battery Capacity | 2000 milliamp_hours |
| Battery Cell Type | NiMH |
| Battery Weight | 80 g |
| Best Sellers Rank | #366,436 in Health & Household ( See Top 100 in Health & Household ) #941 in AA Batteries |
| Brand | Lunggwey |
| Compatible Phone Models | Craftsman 73904 Unitech AA1800mAh OSI OSA-343 OSA343 KTK KIK AA1400mAh |
| Customer Reviews | 4.6 4.6 out of 5 stars (37) |
| Manufacturer | elxjar |
| Number of Batteries | 2 Product Specific batteries required. (included) |
| Reusability | Rechargeable |
| UPC | 789844981859 |
| Unit Count | 2 Count |
| Voltage | 3.6 volts |
| Warranty Description | 30 Days money back guarantee & 24 months warranty |

## Product Details

- **Battery Capacity:** 2000 milliamp_hours
- **Battery Cell Composition:** NiMH
- **Brand:** Lunggwey
- **Number of Batteries:** 2 Product Specific batteries required. (included)
- **Recommended Uses For Product:** Emergency

## Images

![(2-Pack) 3.6V 2000mAh Ni-MH Battery for Craftsman 73904, OSA-343 | Fits Unitech AA1800mAh and KTK KIK AA1400mAh compatible flashlights and emergency lights; includes 8-inch wire leads. - Image 1](https://m.media-amazon.com/images/I/6159L0r5m-L.jpg)
![(2-Pack) 3.6V 2000mAh Ni-MH Battery for Craftsman 73904, OSA-343 | Fits Unitech AA1800mAh and KTK KIK AA1400mAh compatible flashlights and emergency lights; includes 8-inch wire leads. - Image 2](https://m.media-amazon.com/images/I/61nB-vN2fGL.jpg)
![(2-Pack) 3.6V 2000mAh Ni-MH Battery for Craftsman 73904, OSA-343 | Fits Unitech AA1800mAh and KTK KIK AA1400mAh compatible flashlights and emergency lights; includes 8-inch wire leads. - Image 3](https://m.media-amazon.com/images/I/71CanWNMOLL.jpg)
![(2-Pack) 3.6V 2000mAh Ni-MH Battery for Craftsman 73904, OSA-343 | Fits Unitech AA1800mAh and KTK KIK AA1400mAh compatible flashlights and emergency lights; includes 8-inch wire leads. - Image 4](https://m.media-amazon.com/images/I/71+GExVOBJL.jpg)
![(2-Pack) 3.6V 2000mAh Ni-MH Battery for Craftsman 73904, OSA-343 | Fits Unitech AA1800mAh and KTK KIK AA1400mAh compatible flashlights and emergency lights; includes 8-inch wire leads. - Image 5](https://m.media-amazon.com/images/I/61tnBzc8e1L.jpg)

## Frequently Bought Together

- Lunggwey (2-Pack) 3.6V 1800mAh AA Ni-MH Battery, Replacement for Emergency/Exit Light 73904 Craftsman LED Flashlight, Compatible with Unitech Solar Light AA1800mAh, OSI OSA-343 / KTK KIK AA1400mAh
- (5-Pack) 3.6V 900mAh Ni-CD AA Exit Sign Emergency Light Battery, Replacement Battery for Exitronix 10010037, Max Power B2-0031 MH468886, Unitech LEDR-1 6200RP, Dantona CUSTOM-318 OSA230, Lowes 253799
- BBAT0043A Unitech BAT9.6V700 AA900MAH 9.6V ELB-B003 Lithonia ELB-B004 9.6v 900mAh Ni-CD Battery Pack Replacement for Exit Sign Emergency Light Fire Batteryhawk, LLC

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-29*