Item as described. Fast delivery. Thanks.
Power that outlasts your longest adventures - the 5500mAh capacity that keeps going when others quit.
20A continuous discharge current handles your most demanding high-drain devices.
- 5500mAh high capacity for extended runtime
- 21700 size with USB-C direct charging
- 20A continuous discharge current for demanding devices
- Internal safety features with protection circuits
- Dual charging options - USB-C or external charger
- Over 500 full charging cycles for long-term value
- Mercury, lead, and cadmium free construction
- Metal protectors and durable coating
The reliable power source that adapts to your gear and charging setup.
POWER THROUGH YOUR LONGEST SESSIONS - The 5500mAh capacity gives you the runtime to tackle extended projects, overnight operations, and multi-day adventures with confidence.
HANDLE HIGH-DRAIN DEVICES WITH EASE - The 20A continuous discharge current means your power-hungry flashlights, tools, and devices get the steady current they need for peak performance.
CHARGE ANYWHERE, ANYTIME - USB-C direct charging lets you power up from your laptop, power bank, or car charger. When you're at base, use your preferred external charger for maximum flexibility.
BUILT-IN PROTECTION FOR PEACE OF MIND - Advanced protection circuits guard against overcharge, over-discharge, and short-circuiting, so you can focus on the task at hand rather than worrying about battery safety.
DESIGNED FOR THE LONG HAUL - Over 500 full charging cycles mean this battery will serve you reliably for years, making it a smart investment for professional and recreational use alike.
ENVIRONMENTALLY CONSCIOUS POWER - Mercury-free, lead-free, and cadmium-free construction means you get clean, safe power that's better for you and the environment.
WHY CHOOSE THE NL2155HPR OVER STANDARD BATTERIES?
Superior Capacity
5500mAh provides substantially more runtime than standard 21700 batteries, keeping your devices running longer between charges.
High-Discharge Performance
20A continuous discharge current handles demanding devices that would overwhelm lower-rated batteries, ensuring consistent performance.
Built-in USB-C Convenience
Direct USB-C charging eliminates the need to carry a separate charger for many situations, streamlining your gear setup.
Professional-Grade Safety
Advanced protection circuits and high-quality battery protection IC provide multiple layers of safety that basic batteries lack.
Professional Power: Built for Reliability When It Matters Most
Where Advanced Engineering Meets Real-World Durability
This isn't just another rechargeable battery - it's a purpose-designed power solution that combines high capacity with intelligent protection for demanding applications.
Experience 5500mAh of reliable power with 20A continuous discharge current, designed to handle everything from high-output flashlights to power-hungry devices.
The advanced protection circuit with high-quality battery protection IC monitors and protects against overcharge, over-discharge, and short-circuiting for safe, reliable operation.
Built with metal protectors at both ends and durable metallic film coating to guard against abrasion, this battery stands up to real-world use.
Ready to upgrade your power game?
POWER SPECIFICATIONS
| SPECIFICATION | VALUE |
| Model | NL2155HPR |
| Capacity | 5500mAh 3.6V (19.8Wh) |
| Battery Type | 21700 High Performance Li-ion |
| Continuous Discharge | 20A |
| Charging | USB-C Rechargeable |
| Charging Cycles | Over 500 Full Cycles |
| Safety Features | Internal Protection Circuit |
| Environmental | Mercury, Lead & Cadmium Free |
*HIGH PERFORMANCE PROTECTED CIRCUIT
Advanced protection against overcharge, over discharge, short-circuiting with high-quality battery protection IC for reliable, safe operation.PHYSICAL SPECIFICATIONS
| Diameter | 21.8±0.3mm / 0.86"±0.01" |
| Length | 77±0.3mm / 3.03"±0.01" |
| Weight | 76g / 2.68 oz |
| Protection | Metal Protectors, Metallic Film Coating |
| Charging Options | USB-C Cable or External Charger |
| Warranty | 12 Months from Purchase Date |
| Certifications | Globally Insured, Multiple Certifications |
Compatible NITECORE Chargers
| CHARGER MODEL | TYPE | COMPATIBILITY |
| UMS2 | 2-Bay Universal Charger | Yes |
| UMS4 | 4-Bay Universal Charger | Yes |
| CI2 | 2-Bay Intelligent Charger | Yes |
| CI4 | 4-Bay Intelligent Charger | Yes |
*CHARGING OPTIONS
Choose between convenient USB-C direct charging or use with compatible NITECORE external chargers for versatile power management.
What's In The Box
- 1x NL2155HPR High Performance Battery - 5500mAh 21700 Li-ion battery with protection circuit
- USB-C Charging Capability - Direct charging from USB-C power sources (cable not included)
- 12-Month Warranty - Comprehensive warranty coverage from date of purchase
- Global Certifications - Multiple safety certifications and global insurance coverage
Ready for High-Performance Power?
GET YOUR NL2155HPR NOWYou’re Backed by Our 60-Day Ironclad Guarantee
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Try it for 60 days. If it’s not right for you, send it back.
We stand behind our gear. If you’re not happy with your purchase, just return the full package within 60 days and we’ll issue a full refund—no fuss, no forms, no hoops to jump through.
What Happens After You Order
- You’ll get an instant order confirmation email with your receipt.
- We’ll pack your order the next working day and send you a tracking number once it’s on the way.
- From the moment you order to the moment it reaches your hands, we’re here to keep you updated and supported.
When will I receive my gear?
- Singapore: Delivered to your doorstep in 4–6 working days.
- International: Arrive within 10–14 working days.
Returns and warranty
- Every product comes with a 1 to 3-year replacement warranty (depending on the item).
- If anything isn’t working right, just let us know. We’ll make it right.
FREE Gift with Purchase: Limited Edition Ember Shard Whistle
Spend $99 or more today, and we'll automatically include a limited-edition Glow-in-the-Dark Ember Shard Whistle when packing your order.
Charge it quickly under sunlight or your flashlight, and enjoy its subtle glow throughout the night—perfect for marking gear, emergency kits, or attaching to your bag.
Limited quantities. These will be swapped (at our discretion) to other gift items if shards are unavailable.
Customer Reviews
Overall rating: 4.9 / 5 from 131 reviews.
Great battery for the P10 v2! It charges from its own dedicated USB-C port.
Great as it says
Best value for money,can lasting very long,no regret buying,one of the best.
Capacity:3600mAh Charging:fast charging Safety:safe fast delivery and received the package in good condition
Performance:veen using this batty for some time it's good Suitability:I using a older torch so cant use the newer 6000 range Quality:excellent
Performance:should perform as advertised Best Feature(s):USB C charging Value For Money:purchased during a shopee sale My other 14500 battery gave up after many years of usage and decided to try this out with USB C charging. Received item safely via pickup point and Seller’s order processing was quick and accurate without any problems.
Value For Money:yes.hope it lasts for 5 years or more Best Feature(s):nill I using p10ix so this battery fits me well Affordable price. Good quality and packaging
Nice 14500 battery with type-c charging port , bought it for the LA10 light , working fine.
Fast delivery, well packed. Came in original package. Look really nice. But 1 of the batt internal resistance is 500m ohm. Hope they will last.
Best Feature(s):ORIGINAL PRODUCT Value For Money:YES Performance:GREAT Original product, no worries. Safety check all on. Definitely a purchase worth the money and worry free.
Best Feature(s):nicely packed Performance:ok Value For Money:ok Very quick shipping by seller. Item nicely packed. As advertised.
Good to have a spare battery for the pump
Bought to replace battery for my light bought 4-5 years back. Great brand!
I initially bought the wrong size of batteries from Nitecore. After informing, they were very helpful and I managed to send the batteries back and eventually got what I needed. This is what we call good after sales services 👍🏾. Kudos to all at Nitecore SG ! 🍾
Battery last longer and easy to charge
Bought it as spare batt for the MT pro.
It is as good as advertised
A good backup for my recently bought EDC 35 . Good buy . Love the long battery life.
Good
Best and convience product to used for daily usage and easier to charge
Should have this with us all if the times, it easily carries, convenient in use, while at work..
Bought this battery as backup to power the BR25 bike light.
Long lasting for my work lights.
Excellent for headlamp. Using for hrs at time in server room with my HC65 V2
First time user of this NL2150 battery. Built for the SRT7i and E4K So far, they worked like charm Nil complaint.
Great item
Repeated purchase for nitecore battery and is the only trusted batt.
i can't wait to use this battery as a back up for both my i4000R n P20i UV torchlight.
Bought this 5000 hpi battery as a back up for my p20ix. Always keep it with me incase of need when i explore the jungle in Singapore.
Feel safe to use it as it have built in internal and external safety features.
Super bright and long lasting batteries awesome!
NL1835HP (18650 - 3500mAh - 8A) Worked as advertised 😺
Capacity:3600mah Charging:Convenient Charging port Safety:Safety cut off when fully charge Received item fast within days and nicely packed. As described legit. Excellent purchase.
Great
Great. customer service is great !!
good quality
Nice. Fast delivery..
Performance:good Value For Money:yes Best Feature(s):handy
Small and compact.. Easy to recharge.. 👍👍
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