[Solved]New Battery Won't Charge

[jjenco]

I just bought a 'new' battery for my Samsung Tab S 10.5 on eBay. The old battery would not hold hold a charge any longer after several years of use. The replacement battery was list as new and appeared to be so. After swapping it out, the new battery showed 22% charge. It began to quickly DISCHARGE after I plugged it in to charge. Down to 17% in a matter of minutes. When I boot the tablet, the charge icon has a red 'X' in the menu line, indicating that it is not charging. I've tried a couple different charging cables. Any ideas? Thanks!!

 

[jjenco]

Just solved my own problem. It evidently MUST be plugged into an actual USB charging block. It will not charge when plugged into a monitor or computer USB port. Evidently a power supply issue.

 

[Laura Knotek]

I'm glad you got it sorted.

 

[mustang7757]

Marked the thread solved

 

[SuperGeekGoddess]

Just solved my own problem. It evidently MUST be plugged into an actual USB charging block. It will not charge when plugged into a monitor or computer USB port. Evidently a power supply issue.

For some technical clarity, and to help others understand why this phenomenon happens, a computer's USB ports (specifically case front panel ones) don't put out enough current to charge a tablet, they normally only output 500mA (milliamps), and these tablets need at least 2 amps (2000mA)

The USB ports on the rear of a motherboard WILL work, the front case ones are only designed for mice and keyboards.

 

[B. Diddy]

For some technical clarity, and to help others understand why this phenomenon happens, a computer's USB ports (specifically case front panel ones) don't put out enough current to charge a tablet, they normally only output 500mA (milliamps), and these tablets need at least 2 amps (2000mA)

The USB ports on the rear of a motherboard WILL work, the front case ones are only designed for mice and keyboards.

Welcome to Android Central, and thanks for the input!