INIU BI-B41 Slimmest Fast Charging Power Bank
Product Overview
specifications
Check the Power Level
Press the power button once to check the power level.
Charge Your Phone
- Connect the bank to your device using the right USB cable, and it will start charging automatically. If not, press the power button to restart the bank.
- When charging, the last light of the battery indicator will blink. Note: QC/ PD / AFC fast charging protocols are not supported.
- The power bank will turn off automatically when not connected to a device for 35 seconds.
Recharge Your Power Bank
- Connect the bank and an adapter with a USB-C cable to start charging. For the best performance, a 5V/2A adapter is recommended
- When recharging, the bank will consecutively flash the lights of the battery indicator until five solid lights are displayed.
Turn on / off the LED Light
- Press the power button twice rapidly to turn on/off the LED light.
FAQ
Q: How many times can the Power Bank fully charge my phone?
A: Three factors are involved: Power Conversion Rate(PCR) while charging, Boost Converter RateBCR) of the bank, and the phone capacity.
- Built-in PCBA board meets the standard PCR of 92%.
- The board will boost the voltage from 3.7V to 5V when charging a phone (BCR=74%). So Charging times= Power Bank capacity*PCR*BCR/phone capacity:
- iPhone 8: 10000mAh * 92% * 74% / 1821mAh = 3.7 times
- Samsung S10: 10000mAh * 92% * 74% / 3100mAh = 2.2 times
Q: Can I quickly charge my iPhone 11 Pro in PD mode via the USB-C port?
A: INIU 3A (max) outputs can meet the highest possible speed that your devices need, but do not support QC or PD quick charge protocol. It will charge your phone at regular max speed, but not at PD speed.
Q: Do I need to drain the battery when using it for the first time?
A: No. You can recharge or discharge the bank whenever you need. You can drain the battery, then fully recharge it to calibrate the battery regularly.
Attentions
- To preserve the battery lifespan, use and recharge the power bank at least once every 6 months.
- Do not drop, open, disassemble, or crush.
- Keep away from heat sources or liquids.
Warranty
INIU is an innovative accessory brand that is committed to creating products and services that give customers the best satisfaction. At INIU, we use only the highest-quality materials, giving us the confidence to provide an industry-leading 3-year replacement promise for each item.
- 30-day money-back guarantee
- Industry-leading 3-year warranty
- Lifetime technical support
Whatever you need, we’re here to help. Just get in touch with us at: [email protected]. You will get timely assistance, replacement, or refund. We promise to make things right with our wholehearted service.
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INIU BI-B41 Slimmest Fast Charging Power Bank-FAQs
How do I charge my INIU BI-B41 power bank?
Use the included USB-C cable to connect the power bank to a wall adapter. A 5V/2A adapter is recommended for best performance.
How can I tell when the power bank is fully charged?
The LED indicators will stop blinking and all lights will stay solid when the battery is full.
Can I use my power bank while it’s charging?
No, using the power bank while charging is not recommended, as it may overheat or damage the device.
How long does it take to fully charge the INIU BI-B41?
With fast charging (USB-C PD 20W), a 20,000mAh power bank takes around 4 hours to fully charge.
Why is my power bank blinking but not charging my device?
This could indicate a cable issue, incompatible output, or internal fault. Try different cables, ports, or devices.
How do I reset the power bank if it’s not working?
Disconnect all cables, press and hold the power button for a few seconds, then reconnect to a reliable charger.
Can I charge the power bank overnight?
Yes, modern power banks have safety features to prevent overcharging, so overnight charging is safe.
What is the battery life of the INIU power bank?
The lithium-polymer battery typically lasts 500–1000 charge cycles, roughly 2–3 years under normal use.
Can I bring the INIU power bank on a plane?
Yes, it must be carried in hand luggage. Spare lithium batteries are not allowed in checked baggage.