crwdns2934241:0crwdne2934241:0 S W

crwdns2934249:0crwdne2934249:0:

It could be your battery is going bad or the sensor related to the battery.  According to Apple, the flashing red light does mean that you have less than 25% power remaining.

https://support.apple.com/en-us/HT204428

crwdns2915684:0crwdne2915684:0:

open