Nitecore NPB4 - Waterproof Power Bank Manual

Specifications

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

1. 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.
2. Please recharge the product every 3 months when left unused for a prolonged time.
3. Ambient Temperature of Usage: -10~40℃
   (14~104℉); Temperature of Storage: -20~60℃
   (-4~140℉)
4. DO NOT leave the product unattended when it is working. Stop using the product at any sign of malfunction.
5. DO NOT use charging cables made or sold by unprofessional manufacturers or ones that are damaged.
6. DO NOT submerge the product for a prolonged time or expose it to liquid of high pressure or high velocity.
7. Please keep the surface and ports of the product dry before connecting the charging cable, or it might result in short circuit.
8. 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.
9. Keep the product away from any combustible material.
10. 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.
11. Avoid any shock or impact to the device.
12. DO NOT place any conductive or metal object in the device to avoid short circuiting and explosions.
13. 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.

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.