Deep Sleep duration time ignored - how to amend

Wonder if anyone can help me here. Using Wemos D1 Mini’s (one is a Pro) and have a working configuration to measure voltage of battery and temperature and all works fine. Now I am happy with configuration I want to change the Deep Sleep to every 4 or 6 hours to try and preserve battery life.

So I simply changed the duration time as below :

deep_sleep:
  run_duration: 3min
  sleep_duration: 6h

and used OTA (when the devices woke) to update the code. Despite these changes looking in HA the updates are still happening hourly (Previous duration time), no matter how many times I update it (OTA) or reset (Battery out) the wake up time does not reflect what I have in the OTA section. I have tried using min / h but no difference.

Any thoughts?

Full YAML below

esphome:
  name: wemos31
  friendly_name: Wemos3.1
  on_shutdown:
  - lambda: delay(500);

esp8266:
  board: d1_mini

# Enable logging
logger:


deep_sleep:
  run_duration: 3min
  sleep_duration: 6h

# Enable Home Assistant API
api:
  encryption:
    key: "xxxx"

ota:
  - platform: esphome
    password: "xxxx"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Wemos31 Fallback Hotspot"
    password: "xxxx"

i2c:
    id: bus_a
    sda: D2
    scl: D1
    scan: true

# Example configuration entry
sensor:
  - platform: sht3xd
    address: 0x45
    temperature:
      name: "SHT30 Temperature"
    humidity:
      name: "SHT30 Humidity"
    update_interval: 60s

  - platform: adc
    name: "Battery Voltage"
    id: batvolt
    pin: A0
    accuracy_decimals: 2
    update_interval: 60s
    #force_update: True
    unit_of_measurement: "V"
    icon: mdi:battery-medium
    filters:
      - multiply: 5.25 # 2 x 18650 in Dusty Tree Lights

  - platform: wifi_signal # Reports the WiFi signal strength/RSSI in dB
    name: "WiFi Signal dB"
    id: wifi_signal_db
    update_interval: 60s
    entity_category: "diagnostic"

  - platform: copy # Reports the WiFi signal strength in %
    source_id: wifi_signal_db
    name: "WiFi Signal Percent"
    filters:
      - lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
    unit_of_measurement: "Signal %"
    entity_category: "diagnostic"
    device_class: ""


captive_portal:

If it’s using an ESP8266 it can’t deep sleep for 6 hrs. I don’t think you can get much more than 60 mins. ESP32 can sleep much longer.

Yes its ESP8266… interesting, didn’t realise that. I will research further. I may have to revert to ESP32 based devices. Thank you