Why does it have to be on when charging?

It can be fully charged if switch on. You can only charge to about 85% if switch off while charging

To power Resmed Airsense s11, what power cord should i buy?

I purchased it to power Resmed Airsense S10 CPAP. It does not work. I have not used it for any other purpose.

Can you recommend a portable solar solution for these batteries?

I had purchased to run "Resmed AirSense 10 Autoset" CPAP machine. But the machine does not start. with this battery. So, I have not used it further.

The pb240b1 says it is 12 vdc. regulated out. why is mine dropping below 12v when fully charged and only 2 a. draw?

It’s regulated 12v 2A maximum

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Talentcell PB240B1 High Capacity Portable Power Bank, 155Wh Multi-Voltage Output Power Supply, 24V/12V DC & 5V USB Port for LED Strip, CCTV Camera, Mobile Phones

Talentcell PB240B1 High Capacity Portable Power Bank, 155Wh Multi-Voltage Output Power Supply, 24V/12V DC & 5V USB Port for LED Strip, CCTV Camera, Mobile Phones

Product ID: 153433110

Details

Battery Capacity
42000 Milliamp
Battery Cell Composition
Lithium Ion
Brand
Talentcell
Number of Batteries
1 Lithium Ion
Recommended Uses For Product

⚡Multi-Voltage Output (24V/12V/5V)

🔋155Wh High Capacity

🔌5A Max Output Current

€ 216.66

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power Your Hustle Anywhere, Anytime!

COMPACT YET MIGHTY - Lightweight 740g design fits perfectly in your tech arsenal without weighing you down.
READY OUT OF THE BOX - Includes AC/DC charger and cables so you can power up immediately and never miss a moment.
BUILT IN SAFETY FIRST - Advanced protections guard against overcharge, overcurrent, and short circuits—keeping your gear and you safe.
VERSATILE VOLTAGE OPTIONS - Seamlessly switch between 24V, 12V, and 5V outputs to power everything from LED strips to smartphones without missing a beat.
POWER THAT KEEPS YOU MOVING - Massive 42,980mAh lithium-ion battery ensures your devices stay charged through long workdays and remote projects.

The Talentcell PB240B1 is a high-capacity 155Wh portable power bank featuring a robust 42,980mAh lithium-ion battery. It offers multi-voltage outputs (24V, 12V, and 5V USB) with up to 5A max current, making it ideal for powering LED strips, CCTV cameras, smartphones, and more. Compact and lightweight at 740 grams, it includes built-in safety protections and comes with an AC/DC charger and cables for immediate use.

Specifications

ASIN	B07SWBS55F
Amperage	5 Amps
Antenna Location	Indoor/Outdoor
Battery Capacity	42000 Milliamp Hours
Battery Cell Type	Lithium Ion
Battery Weight	730 Grams
Best Sellers Rank	#341 in Camera Batteries
Brand	Talentcell
Compatible Phone Models	Smartphone
Customer Reviews	4.4 4.4 out of 5 stars (206)
Item Dimensions	6.3 x 3.23 x 1.89 inches
Item Weight	740 Grams
Manufacturer	Shenzhen Yabo Power Technology CO., LTD
Model Name	PB240B1
Model Number	PB240B1
Number of Batteries	1 Lithium Ion batteries required. (included)
Reusability	Rechargeable
UPC	723120453999
Unit Count	1.0 Count
Voltage	24 Volts

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