diff --git a/src/platform/nrf52/NRF52Bluetooth.cpp b/src/platform/nrf52/NRF52Bluetooth.cpp
index 4f7fb4776..e6352a49c 100644
--- a/src/platform/nrf52/NRF52Bluetooth.cpp
+++ b/src/platform/nrf52/NRF52Bluetooth.cpp
@@ -119,7 +119,7 @@ void startAdv(void)
     Bluefruit.Advertising.addService(meshBleService);
     /* Start Advertising
      * - Enable auto advertising if disconnected
-     * - Interval:  fast mode = 20 ms, slow mode = 152.5 ms
+     * - Interval:  fast mode = 20 ms, slow mode = 417,5 ms
      * - Timeout for fast mode is 30 seconds
      * - Start(timeout) with timeout = 0 will advertise forever (until connected)
      *
@@ -127,7 +127,7 @@ void startAdv(void)
      * https://developer.apple.com/library/content/qa/qa1931/_index.html
      */
     Bluefruit.Advertising.restartOnDisconnect(true);
-    Bluefruit.Advertising.setInterval(32, 244); // in unit of 0.625 ms
+    Bluefruit.Advertising.setInterval(32, 668); // in unit of 0.625 ms
     Bluefruit.Advertising.setFastTimeout(30);   // number of seconds in fast mode
     Bluefruit.Advertising.start(0); // 0 = Don't stop advertising after n seconds.  FIXME, we should stop advertising after X
 }
@@ -272,6 +272,24 @@ void NRF52Bluetooth::setup()
     // Set the connect/disconnect callback handlers
     Bluefruit.Periph.setConnectCallback(onConnect);
     Bluefruit.Periph.setDisconnectCallback(onDisconnect);
+
+    // Set slave latency to 5 to conserve power
+    // Despite name this does not impact data transfer
+    // https://docs.silabs.com/bluetooth/2.13/bluetooth-general-system-and-performance/optimizing-current-consumption-in-bluetooth-low-energy-devices
+    
+    Bluefruit.Periph.setConnSlaveLatency(5);
+
+    // TODO: Adafruit defaul min, max interval seems to be (20,30) [in 1.25 ms units] -> (25.00, 31.25) milliseconds
+    // so using formula Interval Max * (Slave Latency + 1) ≤ 2 seconds
+    // max slave latency we can use is 30 (max available in BLE)
+    // and even double max inteval (see apple doc linked above for formulas)
+    // See Periph.SetConnInterval method
+
+    // Tweak this later for even more power savings once those changes are confirmed to work well.
+    // Changing min, max interval may slow BLE transfer a bit - bumping slave latency will most likely not.
+
+
+
 #ifndef BLE_DFU_SECURE
     bledfu.setPermission(SECMODE_ENC_WITH_MITM, SECMODE_ENC_WITH_MITM);
     bledfu.begin(); // Install the DFU helper
@@ -300,7 +318,7 @@ void NRF52Bluetooth::setup()
 void NRF52Bluetooth::resumeAdvertising()
 {
     Bluefruit.Advertising.restartOnDisconnect(true);
-    Bluefruit.Advertising.setInterval(32, 244); // in unit of 0.625 ms
+    Bluefruit.Advertising.setInterval(32, 668); // in unit of 0.625 ms
     Bluefruit.Advertising.setFastTimeout(30);   // number of seconds in fast mode
     Bluefruit.Advertising.start(0);
 }