Nitecore Nitecore-P20iX-HPi
Nitecore P20iX USB-C Rechargeable LED Flashlight User Manual
Model: Nitecore-P20iX-HPi
Introduction
The Nitecore P20iX is a high-performance tactical flashlight designed for various applications, offering an impressive 4000 lumens maximum output. This manual provides detailed instructions for the proper use, maintenance, and troubleshooting of your P20iX flashlight to ensure optimal performance and longevity.
It features a USB-C rechargeable design, making it convenient for on-the-go charging. The flashlight is equipped with advanced i-Generation technology for reliable and rapid operation, making it suitable for law enforcement, assault operations, self-defense, search, and patrols.

Figure 1: Nitecore P20iX Flashlight and Included Accessories.
What's Included
Upon unboxing your Nitecore P20iX, please verify that all the following components are present:
- Nitecore P20iX Flashlight
- NL2150i 5000mAh Battery
- NL2150 HPi Rechargeable Battery
- Battery Magazine
- NTH20 Holster
- USB-C Charging Cable
- Lanyard
- Clip
- Spare O-ring
Setup
1. Battery Installation
- Unscrew the tail cap of the flashlight counter-clockwise.
- Insert the NL2150i 5000mAh battery or NL2150 HPi rechargeable battery with the positive (+) terminal facing towards the head of the flashlight. If using a 18650 battery, place it inside the provided battery magazine before inserting.
- Screw the tail cap back on clockwise until it is securely tightened. Ensure a tight seal to maintain water resistance.

Figure 2: Nitecore P20iX Flashlight Body Overview.
2. Charging the Battery
The Nitecore P20iX features a built-in USB-C charging port for convenient recharging of the included 21700 i-Series batteries.
- Locate the USB-C charging port cover near the head of the flashlight.
- Open the rubber cover to expose the USB-C port.
- Connect one end of the provided USB-C charging cable to the flashlight's port and the other end to a USB power source (e.g., USB adapter, computer, power bank).
- The power indicator light will illuminate to show charging status. Refer to the indicator guide in the operating section for details.
- Once charging is complete, disconnect the cable and securely close the rubber cover to maintain water and dust resistance.
3. Attaching Accessories
- Lanyard: Thread the lanyard through the designated hole on the tail cap for secure carrying.
- Clip: The removable clip can be attached to the flashlight body for easy attachment to pockets or gear.
- Holster (NTH20): Insert the flashlight into the NTH20 holster for secure storage and quick access.
Operating Instructions
1. Basic Operation
- Momentary Illumination: Half-press and hold the Tactical Tail Switch (Power Button) for momentary on. Release to turn off.
- Constant On/Off: Fully press the Tactical Tail Switch until a click is heard to turn the flashlight on. Press again to turn it off.

Figure 3: Tail Cap with Tactical Tail Switch and Mode Button.
2. Brightness Levels and Modes
The P20iX offers multiple brightness levels and a special Strobe mode. The flashlight utilizes four CREE XP-L2 V6 LEDs for powerful illumination.

Figure 4: Quad-Core LED Emitters.
- Changing Brightness: With the flashlight on, short press the MODE button (located on the tail cap, next to the power button) to cycle through brightness levels (e.g., Ultra-low, Low, Mid, High, Turbo).
- Accessing Strobe Mode:
- From any state (on or off), press and hold the MODE button to instantly activate Strobe mode.
- Release the MODE button to exit Strobe mode.

Figure 5: STROBE READY™ Technology.
3. Power Indicator
The power indicator light, typically located near the charging port or on the tail cap, provides information about the battery status:
- Solid Green: Battery level is above 50%.
- Flashing Green: Battery level is below 50%.
- Solid Red: Battery level is below 10%, indicating a need for recharging.
- Flashing Red (during charging): Charging in progress.
- Solid Green (during charging): Charging complete.
Maintenance
- Cleaning: Regularly clean the flashlight body with a soft, damp cloth. For the lens, use a lens cleaning cloth to avoid scratches.
- Lubrication: Apply a thin layer of silicone grease to the O-rings periodically to maintain water resistance and smooth operation of the tail cap threads. Replace worn O-rings with the spare provided.
- Battery Care:
- Store batteries in a cool, dry place when not in use.
- Recharge batteries regularly, even if not fully depleted, to prolong their lifespan.
- If the flashlight will not be used for an extended period, remove the battery to prevent leakage and damage.
- Avoid Impact: While durable, avoid dropping the flashlight or subjecting it to severe impacts, which can damage internal components.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. |
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| Light is dim or flickers. |
|
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| Flashlight gets hot during use. |
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Specifications
| Feature | Detail |
|---|---|
| Max Output | 4,000 Lumens |
| Max Beam Distance | 221m |
| Max Beam Intensity | 12,200cd |
| Max Runtime | 350 hours / 14.58 days |
| LEDs | 4 x CREE XP-L2 V6 LEDs |
| Battery Type | 21700 i-Series (compatible with 18650 via magazine) |
| Special Modes | Strobe |
| Beam Color | White light |
| Length | 141.5mm (5.57") |
| Head Diameter | 31.8mm (1.25") |
| Tube Diameter | 25.4mm (1.12") |
| Weight | 116g (4.09oz) |
| Material | Aluminum |
| Power Source | Battery Powered |
| Charging Port | USB-C |

Figure 6: Maximum Output Capability.
Warranty and Support
Nitecore products are known for their quality and reliability. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Nitecore website. Keep your purchase receipt as proof of purchase for warranty claims.
For technical support, service, or inquiries regarding your Nitecore P20iX flashlight, please contact Nitecore customer service directly. Contact information can typically be found on the official Nitecore website or on the product packaging.
You can also visit the Nitecore Store on Amazon for more information: Nitecore Amazon Store.
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