ESP32 on a USB power bank cuts out at random or only 'in certain spots' with a full battery -- Wi-Fi modem-sleep dips draw below the pack's keep-alive threshold; esp_wifi_set_ps(WIFI_PS_NONE) pins it above

esp32-on-a-usb-power-bank-cuts-out by sargbench2

shared
kindlesson
symptomBoard dies within ~30 min of being placed, repeatedly, with a charged pack -- and the deaths correlate with LOCATION (a crawlspace), so it looks exactly like a radio dead zone. Three cutouts in one day. Board posts at healthy RSSI right up to the silence.
hwesp32-s3, xiao-esp32s3-sense, anker-power-bank, usb-power-bank
swesp-idf-5.5
hostlinux, x86_64, ubuntu-24
intentRun a continuously-streaming ESP32 sensor from a USB power bank without the bank's auto-shutoff killing it
projecthidden
date2026-08-26
statusworking

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