NITECORE NPB4 Waterproof Power Bank User Manual

: June 7, 2024
: Nitecore

Table of Contents

Specifications
Power Level Display
NPB4
Warranty Details
- Worldwide Warranty Service
Documents / Resources

NITECORE NPB4 Waterproof Power Bank

IMPORTANT NOTICE CONCERNING WARRANTY SERVICE
Thank you for purchasing! Before using this product, please find your verification code on the package box, and go to http://charger.nitecore.com/ validation (or scan the QR code beside the verification code to visit on your mobile phone). Type in your verification code and personal information as required, and submit the page. After verification, NITECORE will send you a warranty service email for a free warranty extension of 6 months. This email and your registration email address are essential to your possible warranty application.

Specifications

Battery Type	21700 Li-ion Batteries
Capacity	20,000mAh 3.64V (72.8Wh)
Rated Energy	12,400mAh 5V (TYP 1A)
Input	Micro-USB: 5V⎓2.4A 9V⎓2A

Power Level Display

NPB4

Power Level Display

Tap the Touch Icon, and the blue indicators beside the input port will be turned on to display the power level:

3 indicators indicate the power level is approx. 100%;
2 indicators indicate the power level is approx. 70%;
1 indicator indicates the power level is approx. 30%;
The last indicator flashing indicates that the power is near depletion and the NPB4 needs to get recharged.

(The NPB4 will automatically access the hibernation status when there is no input or output for a while.)

Get Charged

During the charging process, the blue indicators will flash to indicate the power level. All 3 blue indicators will be turned on steadily when it is fully charged.

Charge the External Device

During the discharging process, the blue indicators will be turned on to indicate the remaining power.

Waterproof Performance

The NPB4 has a unique waterproof design with IP68 rating to withstand the splashing water and short-time submersion in daily use.
Note: With the increase of usage, it is normal that the NPB4 might suffer from a decreased waterproof performance due to wear and tear.

Warnings

Please read the user manual carefully before using the product and connect the applicable external devices only according to the specifications in this user manual.
Please recharge the product every 3 months when left unused for a prolonged time.
Ambient Temperature of Usage: -10~40℃ (14~104℉); Temperature of Storage: -20~60℃ (-4~140℉)
DO NOT leave the product unattended when it is working. Stop using the product at any sign of malfunction.
DO NOT use charging cables made or sold by unprofessional manufacturers or ones that are damaged.
DO NOT submerge the product for a prolonged time or expose it to liquid of high pressure or high velocity.
Please keep the surface and ports of the product dry before connecting the charging cable, or it might result in short circuit.
After the product is exposed to splashing water or submerged, please store it in ventilated areas or use cool wind to dry it. DO NOT use a heater to dry the product or place other objects including cotton swabs and tissues into the ports.
Keep the product away from any combustible material.
DO NOT store or use the product in an environment where the temperature is extremely high / low or changes rapidly, or in a confined area with a high temperature.
Avoid any shock or impact to the device.
DO NOT place any conductive or metal object in the device to avoid short circuiting and explosions.
DO NOT disassemble or modify the device as this could result in battery explosion, cracking or leaking, causing personal injury, property damage and/or other unpredictable risks.

Disclaimer

This product is globally insured by Ping An Insurance (Group) Company of China, Ltd. NITECORE shall not be held responsible or liable for any loss, damage or claim of any kind incurred as a result of the failure to obey the instructions provided in this user manual.

Warranty Details

Our authorized dealers and distributors are responsible for warranty service. Should any problem covered under warranty occurs, customers can contact their dealers or distributors in regards to their warranty claims, as long as the product was purchased from an authorized dealer or distributor. NITECORE’s Warranty is provided only for products purchased from an authorized source. This applies to all NITECORE products. Any DOA / defective product can be exchanged for a replacement through a local distributor/dealer within the 15 days of purchase. After 15 days, all defective / malfunctioning NITECORE® products can be repaired free of charge for a period of 12 months (1 year) from the date of purchase. Beyond 12 months (1 year), a limited warranty applies, covering the cost of labor and maintenance, but not the cost of accessories or replacement parts. For an optional free warranty extension of 6 months, please refer to the “IMPORTANT WARRANTY NOTICE” section on top to validate your product.
The warranty is nullified if the product(s) is/are:

broken down, reconstructed and/or modified by unauthorized parties
damaged from wrong operations
damaged from submersion

For the latest information on NITECORE® products and services, please contact a local NITECORE® distributor or send an email to service@nitecore.com.

※ All images, text and statements specified herein this user manual are for reference purpose only. Should any discrepancy occur between this manual and information specified on www.nitecore.com, information on our official website shall prevail. SYSMAX Innovations Co., Ltd. reserves the rights to interpret and amend the content of this document at any time without prior notice.

Worldwide Warranty Service

Model Number———— Date of Purchase —————
Serial Number ———— Store Stamp ———————

This is the certificate of authenticity if this item and we confirm that it has been subjected to the most exacting quality controls by SYSMAX Innovations Co., Ltd.

NOTE: Please ensure this warranty card is fully completed by the distributor or retailer after purchasing the product. Should the product fail to operate correctly during the warranty period, it may be returned with the completed warranty card and original sales receipt to the retailer or local distributor for replacement or repair.

Customer Service Email: service@nitecore.com

SYSMAX Innovations Co., Ltd.

TEL: +86-20-83862000
FAX: +86-20-83882723
E-mail: info@nitecore.com
Web: www.nitecore.com
Address: Rm 2601-06, Central Tower, No.5 Xiancun Road, Tianhe District, Guangzhou, 510623, Guangdong, China
Manufacturer: SYSMAX Power Technology, LLC