Is the 9V plug center-positive or center-negative?

Dear Sir,Thanks for your question.9V plug is center positive.Best Regards,

Can the unit be charged and used at the same time?

Dear Rand,Thanks for your question.Yes this battery can be charged and used at the same time.Best Regards,Rome JiaTalentCell Technology.

can the 9v supply and the 12 v supply be used at the same time to power one device that needs 9v and one that uses 12v?

Absolutely 100% confirmed. I have mine powering a 15" monitor from the 12V port and Intel Compute Stick on the 9V port (with step down converter to 5V) simultaneously with no problem. Works like a champ, I love this thing! It comes with a splitter cable so you can plug it into the wall charger and use it at the same time from the 12V port. Get yourself some 2.1mm X 5.5mm adapters and you'll be able to power anything you want simultaneously from the 12V & 9V ports.

thanks. one more question- can you power a 9v device and a 12 v device at the same time??

Dear Steve,yes our battery can power a 9v device and a 12v device at the same time.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Talentcell Portable Power Bank, 99.9Wh Multi Voltage 12V/9V & 5V USB Power Supply for LED Strip, CCTV Camera, Heated Jacket, Phone, Spectra Pump

Talentcell Portable Power Bank, 99.9Wh Multi Voltage 12V/9V & 5V USB Power Supply for LED Strip, CCTV Camera, Heated Jacket, Phone, Spectra Pump

Product ID: 18741275

Details

Battery Capacity
8300
Battery Cell Composition
Lithium Ion
Brand
Talentcell
Number of Batteries
1 Lithium Ion
Recommended Uses For Product
Camera

⚡Multi-voltage 5V/9V/12V output

🔋99.9Wh high-capacity power

🔌3 versatile DC & USB ports

45800 Ft

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Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Stay powered, stay unstoppable — your all-in-one energy hub!

POWER ON THE GO - Compact 8300mAh lithium-ion battery keeps your devices charged anywhere, anytime.
PRO GRADE PORT DESIGN - Includes DC5521 & DC5525 ports with inner positive polarity for reliable, safe connections.
LIGHTWEIGHT PORTABLE - Weighing just 500g and sized to fit your bag, it’s the ultimate power companion for busy professionals.
UNIVERSAL COMPATIBILITY - Supports LED strips, CCTV/IP cameras, heated jackets, smartphones, and even robotic telescopes.
MULTI VOLTAGE FLEXIBILITY - Seamlessly switch between 5V USB, 9V, and 12V DC outputs to power diverse gadgets with ease.

The Talentcell Portable Power Bank delivers 99.9Wh of high-capacity, multi-voltage power with 3 output ports (5V USB, 9V, 12V DC) compatible with a wide range of devices including LED strips, CCTV cameras, heated jackets, and smartphones. Lightweight and rechargeable, it’s designed for professionals who demand reliable, versatile power on the move.

Specifications

ASIN	B01337QXMA
Amperage	6 A
Antenna Location	Camera
Battery Capacity	8300 milliamp_hours
Battery Cell Type	Lithium Ion
Battery Weight	500 g
Best Sellers Rank	#16,493 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #630 in Cell Phone Portable Power Banks
Brand	Talentcell
Compatible Phone Models	Smart cellphone
Customer Reviews	4.6 4.6 out of 5 stars (695)
Item Dimensions	5.39 x 1.54 x 3.11 inches
Manufacturer	Shenzhen Yabo Power Technology Co., Ltd.
Model Name	Lithium Ion Battery
Model Number	YB1208300-USB
Number of Batteries	1 Lithium Ion batteries required. (included)
Reusability	Rechargeable
UPC	723120453371
Unit Count	1 Count
Voltage	12 volts
Warranty Description	1 year manufacturer

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