---
product_id: 1896369
title: "SeaLife Li-Ion Battery for Sea Dragon 1200, 1500, 2000, 2100, 2300, 2500, 3000 & Fluoro Dual Beam Lights"
brand: "sealife"
price: "1055 kr"
currency: DKK
in_stock: true
reviews_count: 11
category: "Sea Life"
url: https://www.desertcart.dk/products/1896369-sealife-li-ion-battery-for-sea-dragon-1200-1500-2000
store_origin: DK
region: Denmark
---

# Fast 2h50m recharge 3400mAh Li-Ion power Up to 4 hours runtime SeaLife Li-Ion Battery for Sea Dragon 1200, 1500, 2000, 2100, 2300, 2500, 3000 & Fluoro Dual Beam Lights

**Brand:** sealife
**Price:** 1055 kr
**Availability:** ✅ In Stock

## Summary

> 🔦 Power your underwater passion with SeaLife’s unstoppable battery!

## Quick Answers

- **What is this?** SeaLife Li-Ion Battery for Sea Dragon 1200, 1500, 2000, 2100, 2300, 2500, 3000 & Fluoro Dual Beam Lights by sealife
- **How much does it cost?** 1055 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/1896369-sealife-li-ion-battery-for-sea-dragon-1200-1500-2000)

## Best For

- sealife enthusiasts

## Why This Product

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

## Key Features

- • **Unmatched Endurance:** Keeps your Sea Dragon light blazing for up to 240 minutes at quarter power—never miss a dive moment.
- • **Rapid Recharge Cycle:** Back to full power in under 3 hours, so your next underwater adventure is never delayed.
- • **Compact & Lightweight:** Sleek 4.2 oz design fits perfectly without weighing you down on every dive.
- • **Reliable Backup Power:** Always have a charged spare ready—capture every breathtaking shot without compromise.
- • **Precision Engineered Compatibility:** Designed exclusively for SeaLife lights to ensure peak performance and safety—no risky substitutes.

## Overview

The SeaLife Li-Ion Battery (7.4V, 3400mAh, 25Wh) is a rechargeable powerhouse tailored for Sea Dragon series dive lights, delivering up to 4 hours of runtime at varying brightness levels. Engineered for optimal safety and performance, it recharges fully in under 3 hours and includes a protective cap, ensuring your underwater lighting never lets you down.

## Description

SEA DRAGON UNDERWATER LIGHTS LI-ION RECHARGEABLE BATTERY Rechargeable lithium ion battery (7.4 volt, 3400 mAh, 25Wh) for Sea Dragon Fluoro-Dual Beam, 1200, 1500, 2000, 2100SF, 2300 Auto, 2500, and 3000 Auto Photo/Video/Dive Lights. Includes protective cap.Keep a spare battery charged so you never miss an opportunity to capture that perfect shot.SeaLife's Batteries have been designed to work best in SeaLife Cameras and Lights. Do not attempt to substitute the battery or charging device with other types or brands, all SeaLife battery and charger items have been tested to the full specified run time for each item. Note: Using alternate non-SeaLife spec. batteries will affect your camera a or light’s performance and can also be fire hazard.

Review: Always have a spare battery for your SeaDragon! - Purchased as a replacement battery for my SeaDragon light. The first light would not charge for some reason. I was able to verify the charger and light were good with a different battery, so returned the faulty battery. I had a replacement within 2 days, and this one has worked flawlessly. I appreciate the prompt handling of the issue, and the performance of the new battery.
Review: Pricey but does the job - It's a battery for the sealife dragon video light. Minus 1 star for price.

## Features

- FIT FOR – The rechargeable lithium ion battery powers the impressive Sea Dragon Fluoro-Dual Beam, 1200, 1500, 2000, 2100SF, 2300 Auto, 2500, and 3000 Auto Photo/Video/Dive Lights
- IMPRESSIVE LIGHT RUNNING - This battery keeps the light running for a full 60 minutes at full brightness, and 120 minutes at half power, 240 minutes at quarter power
- FEATURES – Rechargeable lithium ion battery - 2-cell, 3400mAh, 7.4 V, 25 Wh; includes protective cup
- BATTERY CHARGE TIME – Charge time - 2 hours 50 minutes
- SEALIFE BATTERIES - The batteries have been designed to work best in SeaLife lights, do not attempt to substitute the battery with other types or brands, non-SeaLife spec. batteries will affect light's performance and can also be fire hazard

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00GH2VFAE |
| Batteries | 1 Lithium Ion batteries required. |
| Best Sellers Rank | #1,064 in Camera Batteries |
| Customer Reviews | 4.5 4.5 out of 5 stars (81) |
| Date First Available | November 6, 2013 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4.2 ounces |
| Item model number | SL9831 |
| Manufacturer | SeaLife |
| Product Dimensions | 7 x 4 x 1 inches |

## Product Details

- **Battery Capacity:** 3400 Milliamp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** SeaLife
- **Number of Batteries:** 1 Lithium Ion batteries required.
- **Recommended Uses For Product:** Digital

## Images

![SeaLife Li-Ion Battery for Sea Dragon 1200, 1500, 2000, 2100, 2300, 2500, 3000 & Fluoro Dual Beam Lights - Image 1](https://m.media-amazon.com/images/I/51-nIVrDHoL.jpg)
![SeaLife Li-Ion Battery for Sea Dragon 1200, 1500, 2000, 2100, 2300, 2500, 3000 & Fluoro Dual Beam Lights - Image 2](https://m.media-amazon.com/images/I/51l0K3yNG+L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Always have a spare battery for your SeaDragon!
*by D***R on June 13, 2025*

Purchased as a replacement battery for my SeaDragon light. The first light would not charge for some reason. I was able to verify the charger and light were good with a different battery, so returned the faulty battery. I had a replacement within 2 days, and this one has worked flawlessly. I appreciate the prompt handling of the issue, and the performance of the new battery.

### ⭐⭐⭐⭐ Pricey but does the job
*by A***R on April 7, 2025*

It's a battery for the sealife dragon video light. Minus 1 star for price.

### ⭐⭐⭐⭐⭐ Exact replacement.
*by D***E on August 12, 2025*

This battery is an actual Sealife battery. It fits as advertised and charges as expected. I'm very happy I could get a replacement as quick as I did.

## Frequently Bought Together

- Li-Ion Battery for Sea Dragon 1200, 1500, 2000, 2100, 2300, 2500, 3000 & Fluoro Dual Beam Lights
- Moisture Muncher Capsules
- Sealife Flex-Connect Arm

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**Shop now:** [https://www.desertcart.dk/products/1896369-sealife-li-ion-battery-for-sea-dragon-1200-1500-2000](https://www.desertcart.dk/products/1896369-sealife-li-ion-battery-for-sea-dragon-1200-1500-2000)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-27*