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

€ 217.12

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power Up Your Productivity Anywhere, Anytime!

COMPACT YET MIGHTY - Weighing just 740 grams and sized to fit your bag, it’s the ultimate portable power solution for on-the-go professionals.
PLUG PLAY CONVENIENCE - Includes AC/DC charger and cables with easy-to-use ports, making setup quick and hassle-free for any tech setup.
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.
BUILT FOR SAFETY RELIABILITY - Advanced protections guard against overcharge, overcurrent, and short circuits, so your gear stays safe and sound.

The Talentcell PB240B1 is a high-capacity 155Wh portable power bank featuring a massive 42,980mAh lithium-ion battery. It offers multi-voltage outputs (24V/12V/5V) with up to 5A max current, compatible with a wide range of devices including LED strips, CCTV cameras, and smartphones. Designed for professionals on the move, it includes built-in safety protections and comes with an AC/DC charger and cables, all packed in a compact, lightweight form factor.

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	#329 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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