diff --git a/src/js/tradingbot/TradingBot.js b/src/js/tradingbot/TradingBot.js
index ca0920f..a0e898c 100644
--- a/src/js/tradingbot/TradingBot.js
+++ b/src/js/tradingbot/TradingBot.js
@@ -238,8 +238,7 @@ export default class TradingBot {
     handleAccountUpdate(accountUpdateEvent) {
         switch (accountUpdateEvent.eventType) {
             case APIEventType.BALANCE_CHANGE:
-                this.#logger.info("Balance update: ", accountUpdateEvent);
-                // TODO update changed balances
+                this.#accountInfo.updateBalances(accountUpdateEvent);
                 break;
             case APIEventType.TRANSACTION_UPDATE:
                 this.#updateTransaction(accountUpdateEvent);
diff --git a/src/js/tradingbot/data/account/AccountInfo.js b/src/js/tradingbot/data/account/AccountInfo.js
index fcf17e0..c1a52c2 100644
--- a/src/js/tradingbot/data/account/AccountInfo.js
+++ b/src/js/tradingbot/data/account/AccountInfo.js
@@ -1,3 +1,4 @@
+import BalanceChangeEvent from "../../../apiwrapper/event/BalanceChangeEvent.js";
 import AccountRights from "./AccountRights.js";
 import AccountStatus from "./AccountStatus.js";
 
@@ -23,9 +24,14 @@ export default class AccountInfo {
      */
     #balances = new Map();
 
+    /**
+     * @type {number}
+     */
+    #lastBalanceUpdate = 0;
+
     constructor() {
-        //super();
         this.#updateTime = Date.now();
+        this.#lastBalanceUpdate = Date.now();
     }
 
     /**
@@ -84,23 +90,19 @@ export default class AccountInfo {
     }
 
     /**
-     * @param {AccountInformation} accountInfo 
+     * @param {BalanceChangeEvent} balanceEvent 
      */
-    update(accountInfo) {
-        // TODO
-        /*if (accountInfo == null) {
+    updateBalances(balanceEvent){
+        if(balanceEvent.timestamp < this.#lastBalanceUpdate){
             return;
         }
 
-        this.#updateTime = accountInfo.updateTime;
-        this.#canDeposit = accountInfo.canDeposit;
-        this.#canTrade = accountInfo.canTrade;
-        this.#canWithdraw = accountInfo.canWithdraw;
-
-        for (let balance of accountInfo.balances) {
-            if (balance.free > 0) {
-                this.#balances.set(balance.asset, balance.free);
+        balanceEvent.changedBalances.forEach((balance, symbol) => {
+            if(balance > 0 || this.#balances.has(symbol)){
+                this.#balances.set(symbol, balance);
             }
-        }*/
+        });
+
+        this.#lastBalanceUpdate = balanceEvent.timestamp;
     }
 }
\ No newline at end of file