The Nitecore Battery NL189 (3400mAh) is an underwater torch from Nitecore – a focused beam that cuts through the murk and brings colour back to the reef. Rechargeable, depth-rated, and built for repeated use, it’s an essential piece of kit for night dives and photography at Sipadan’s UNESCO reef walls.
Technical Specifications
| Specification | Details |
| Brand | Nitecore |
| Product | Battery NL189 (3400mAh) |
| Output | – lumens |
| Beam Type | Focused |
| Depth Rating | 100m |
| Battery | Rechargeable |
| Material | Aluminium / Plastic |
| Best For | Underwater photography / Night diving |
Key Features
- High-output LED: Powerful, focused beam that cuts through dark water and brings reef colours to life.
- Rechargeable battery: No disposables – charge up and go, dive after dive.
- 100m depth rating: Sealed tight for any recreational or sport dive.
- Compact and mountable: Fits on a camera rig, tank, or held by hand.
Suited for Malaysian Dive Sites
The Nitecore Battery NL189 (3400mAh) is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Sipadan’s UNESCO reef walls, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse after every dive – especially the O-ring seal area.
- Check the O-ring before every dive – replace if worn or damaged.
- Recharge fully between dive sessions.
- Store with the battery removed if you’re not diving for a while.
Final Verdict
A good dive torch transforms your night dives. The Nitecore Battery NL189 (3400mAh) delivers the brightness, reliability, and depth rating you need – nothing more, nothing less.



Kavin Lee –
How long does it take to charge the NL189 to full capacity?
Eunice Tan –
Can you tell me if the Nitecore Battery NL189 has protection against overcharging?
Amara Lee –
I’ve been using the NL189 for a month now and it’s been a game-changer for my camping trips. The battery life is impressive and it lasts long. The quality of the battery is top-notch and I’m very satisfied with it.
Cecilia Chew –
I’m not sure what’s going on but the charging process is a bit slow. It takes like 2 hours for it to charge from 10% to 100%. I mean, I’m not asking for lightning-fast charging but come on! Otherwise, it works great and the capacity is plenty for my needs.
Sophia Koh –
I’ve been using this battery for my Nitecore flashlight and it’s been a beast! It lasts me a really long time and I’ve never had to worry about it dying on me during use. The durability is top-notch and I love the compact design.
Aisha Abdullah –
The NL189 has a minor drawback – the indicator lights can get a bit dim after prolonged use.
Jaden Wong –
The NL189 has been a great companion for my outdoor activities. I love how it’s designed and the quality of the battery is excellent.
Rachel Tan –
I purchased this battery thinking it would be the perfect companion for my favorite flashlight. Unfortunately, it doesn’t seem to be compatible and my flashlight doesn’t work when I use this battery. Is this product meant for a specific brand or model of flashlight?
Junhao Lo –
Hello Rachel, sorry to hear that our battery isn’t compatible with your flashlight. We apologize for the inconvenience. After some research, we found that the Nitecore Battery NL189 (3400mAh) is a generic battery and can be used with most flashlights, but it’s possible that your flashlight requires a specific type of battery. We’d be happy to help you find a compatible battery or provide a refund/exchange if needed. Please contact our support team at [email protected] and we’ll be happy to assist you.
Evelyn Lee –
I’ve been trying to use this battery in cold temperatures but it doesn’t seem to be working as well as it normally does. Do you guys have any recommendations for batteries that are more suitable for use in cold temperatures?
Junhao Lo –
Hello Evelyn, thank you for your review of the Nitecore Battery NL189. Unfortunately, this particular battery is not specifically designed for use in cold temperatures. However, we do recommend our Nitecore Battery NL233, which is designed for use in cold climates. It’s available for $45. As an alternative, you can also consider our Eneloop AA batteries, which are designed to perform well in cold temperatures. Please let us know if you have any other questions or need further assistance. Would you like us to suggest any other products that might suit your needs?
Kevin Wong –
This battery is absolutely amazing! The 3400mAh capacity is more than enough for my needs and it lasts me a really long time. I’m so glad I purchased it and I would recommend it to anyone looking for a reliable battery.
Lizaveta Lee –
Is it safe to charge the NL189 using a fast charger?
Daniel Ong –
Is there any way to tell if this battery is genuine or counterfeit? I recently purchased a similar battery from a different seller and it turned out to be a fake. What should I do to ensure I get the real deal this time?
Imran Hanafiah –
Thank you, Daniel, for your feedback about the authenticity of our Nitecore Battery NL189 (3400mAh). We understand that you’ve had a previous experience with a counterfeit battery. To ensure you’re getting the genuine product from us, we recommend checking the packaging and labeling for any signs of tampering or poor quality. Nitecore products have a distinct design and labeling. Additionally, we’re committed to offering high-quality products and have implemented various measures to verify the authenticity of our products. You can also reach out to our customer support team, and we’ll be happy to provide further assistance or clarify any concerns you may have.