01-10-2019 04:08 AM
Hi all, got this power bank (40AL140CWW) for my P1. It is listed as acceptable for the system on the Option Compatibility Matrix (January, 2019). Got it a while back, tested it, worked fine: https://www.reddit.com/r/thinkpad/comments/9uyew4/fieldtesting_the_lenovo_usbc_14000mah_power_bank/
Using it today (charged yesterday) ... all four lights on the bank come on when I plug it into my P1, but, the system is behaving differently ... previously, the bank powered the unit and its LEDs went off one by one as the charge decreased; the main battery indicator on the bottom did not move off 95%. This time, the main battery indicator shows a decreasing level of charge, and so far, the bank still has four LEDs illuminated. Even weirder, the "remaining time" at one point seemed to indicate the battery was present (showing 8+ hours remaining) but now, even that has changed, and the system is acting like there is no power bank installed at all (shows 3 hours and 33 min [77%] remaining.) I am using the USB-C power cord that came with the bank.
Is it defective?
01-11-2019 12:15 AM
[Message thread moved to Displays, Options and Accessories for visibility. AG]
01-17-2019 12:39 PM - edited 01-17-2019 12:40 PM
Still waiting for "a supervisor" to contact me about authorizing this return, was supposed to be days ago...just an awful experience so far.
02-12-2019 04:47 AM
UPDATE: I just recieved, after many weeks, a replacement for this power bank as it had apparently failed. Well, what are the odds the replacement is bad, too? My process:
So by process of elimination the issue appears to be localized to the Thunderbolt port on the pack itself (since I tried two different Thunderbolt cables, and both failed, those can be ruled out.)
I've contacted support, we'll see what they say.
Meanwhile, looking for other power bank alternatives, suggestions welcome.
02-17-2019 07:39 AM
Does ANYONE have a WORKING 40AL140CWW power bank that can confirm how it is supposed to operate?
I don't need it to CHARGE the P1, just POWER it.
The first one of these I bought did exactly that, exactly once. Now, even with a full charge, nothing happens when I plug it into the P1 other than a "successful USB Connect" sound in Windows.
Have been dealing with Lenovo Support on this since November, my patience is essentially gone at this point, and I have no working power bank.