diff --git a/Software/src/inverter/SMA-TRIPOWER-CAN.cpp b/Software/src/inverter/SMA-TRIPOWER-CAN.cpp
index 213c530b..172cd4c0 100644
--- a/Software/src/inverter/SMA-TRIPOWER-CAN.cpp
+++ b/Software/src/inverter/SMA-TRIPOWER-CAN.cpp
@@ -137,6 +137,17 @@ void SmaTripowerInverter::map_can_frame_to_variable(CAN_frame rx_frame) {
   }
 }
 
+void SmaTripowerInverter::pushFrame(CAN_frame* frame, std::function<void(void)> callback) {
+  if (listLength >= 20) {
+    return;  //TODO: scream.
+  }
+  framesToSend[listLength] = {
+      .frame = frame,
+      .callback = callback,
+  };
+  listLength++;
+}
+
 void SmaTripowerInverter::transmit_can(unsigned long currentMillis) {
 
   // Send CAN Message only if we're enabled by inverter
@@ -144,6 +155,18 @@ void SmaTripowerInverter::transmit_can(unsigned long currentMillis) {
     return;
   }
 
+  if (listLength > 0 && currentMillis - previousMillis250ms >= INTERVAL_250_MS) {
+    previousMillis250ms = currentMillis;
+    // Send next frame.
+    Frame frame = framesToSend[0];
+    transmit_can_frame(frame.frame);
+    frame.callback();
+    for (int i = 0; i < listLength - 1; i++) {
+      framesToSend[i] = framesToSend[i + 1];
+    }
+    listLength--;
+  }
+
   if (!pairing_completed) {
     return;
   }
@@ -151,19 +174,19 @@ void SmaTripowerInverter::transmit_can(unsigned long currentMillis) {
   // Send CAN Message every 2s
   if (currentMillis - previousMillis2s >= INTERVAL_2_S) {
     previousMillis2s = currentMillis;
-    transmit_can_frame(&SMA_358);
+    pushFrame(&SMA_358);
   }
   // Send CAN Message every 10s
   if (currentMillis - previousMillis10s >= INTERVAL_10_S) {
     previousMillis10s = currentMillis;
-    transmit_can_frame(&SMA_518);
-    transmit_can_frame(&SMA_4D8);
-    transmit_can_frame(&SMA_3D8);
+    pushFrame(&SMA_518);
+    pushFrame(&SMA_4D8);
+    pushFrame(&SMA_3D8);
   }
   // Send CAN Message every 60s (potentially SMA_458 is not required for stable operation)
   if (currentMillis - previousMillis60s >= INTERVAL_60_S) {
     previousMillis60s = currentMillis;
-    transmit_can_frame(&SMA_458);
+    pushFrame(&SMA_458);
   }
 }
 
@@ -172,17 +195,18 @@ void SmaTripowerInverter::completePairing() {
 }
 
 void SmaTripowerInverter::transmit_can_init() {
+  listLength = 0;  // clear all frames
 
-  transmit_can_frame(&SMA_558);    //Pairing start - Vendor
-  transmit_can_frame(&SMA_598);    //Serial
-  transmit_can_frame(&SMA_5D8);    //BYD
-  transmit_can_frame(&SMA_618_0);  //BATTERY
-  transmit_can_frame(&SMA_618_1);  //-Box Pr
-  transmit_can_frame(&SMA_618_2);  //emium H
-  transmit_can_frame(&SMA_618_3);  //VS
-  transmit_can_frame(&SMA_358);
-  transmit_can_frame(&SMA_3D8);
-  transmit_can_frame(&SMA_458);
-  transmit_can_frame(&SMA_4D8);
-  transmit_can_frame(&SMA_518);
+  pushFrame(&SMA_558);    //Pairing start - Vendor
+  pushFrame(&SMA_598);    //Serial
+  pushFrame(&SMA_5D8);    //BYD
+  pushFrame(&SMA_618_0);  //BATTERY
+  pushFrame(&SMA_618_1);  //-Box Pr
+  pushFrame(&SMA_618_2);  //emium H
+  pushFrame(&SMA_618_3);  //VS
+  pushFrame(&SMA_358);
+  pushFrame(&SMA_3D8);
+  pushFrame(&SMA_458);
+  pushFrame(&SMA_4D8);
+  pushFrame(&SMA_518, [this]() { this->completePairing(); });
 }
diff --git a/Software/src/inverter/SMA-TRIPOWER-CAN.h b/Software/src/inverter/SMA-TRIPOWER-CAN.h
index 7a18ea2a..15a660cc 100644
--- a/Software/src/inverter/SMA-TRIPOWER-CAN.h
+++ b/Software/src/inverter/SMA-TRIPOWER-CAN.h
@@ -4,6 +4,8 @@
 #include "../devboard/hal/hal.h"
 #include "SmaInverterBase.h"
 
+#include <functional>
+
 class SmaTripowerInverter : public SmaInverterBase {
  public:
   const char* name() override { return Name; }
@@ -20,6 +22,7 @@ class SmaTripowerInverter : public SmaInverterBase {
   const int THIRTY_MINUTES = 1200;
 
   void transmit_can_init();
+  void pushFrame(CAN_frame* frame, std::function<void(void)> callback = []() {});
   void completePairing();
 
   unsigned long previousMillis250ms = 0;  // will store last time a 250ms CAN Message was send
@@ -28,6 +31,14 @@ class SmaTripowerInverter : public SmaInverterBase {
   unsigned long previousMillis10s = 0;    // will store last time a 10s CAN Message was send
   unsigned long previousMillis60s = 0;    // will store last time a 60s CAN Message was send
 
+  typedef struct {
+    CAN_frame* frame;
+    std::function<void(void)> callback;
+  } Frame;
+
+  unsigned short listLength = 0;
+  Frame framesToSend[20];
+
   uint32_t inverter_time = 0;
   uint16_t inverter_voltage = 0;
   int16_t inverter_current = 0;