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 quantity available. Claim yours now!
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