diff --git a/.changeset/pink-mails-dream.md b/.changeset/pink-mails-dream.md
new file mode 100644
index 00000000000..c21bc99f984
--- /dev/null
+++ b/.changeset/pink-mails-dream.md
@@ -0,0 +1,4 @@
+---
+---
+
+chore: update `amountPerCoin` prop in `WalletConfig` to accept BN
diff --git a/packages/account/src/test-utils/wallet-config.ts b/packages/account/src/test-utils/wallet-config.ts
index 0715819a4f5..1086d323093 100644
--- a/packages/account/src/test-utils/wallet-config.ts
+++ b/packages/account/src/test-utils/wallet-config.ts
@@ -1,5 +1,6 @@
 import { randomBytes } from '@fuel-ts/crypto';
 import { FuelError } from '@fuel-ts/errors';
+import { bn, type BigNumberish } from '@fuel-ts/math';
 import { defaultSnapshotConfigs, hexlify, type SnapshotConfigs } from '@fuel-ts/utils';
 import type { PartialDeep } from 'type-fest';
 
@@ -29,7 +30,7 @@ export interface WalletsConfigOptions {
   /**
    * For each coin, the amount it'll contain.
    */
-  amountPerCoin: number;
+  amountPerCoin: BigNumberish;
 
   /**
    * Messages that are supposed to be on the wallet.
@@ -105,7 +106,7 @@ export class WalletsConfig {
     baseAssetId: string,
     assets: number | TestAssetId[],
     coinsPerAsset: number,
-    amountPerCoin: number
+    amountPerCoin: BigNumberish
   ) {
     const coins: SnapshotConfigs['stateConfig']['coins'] = [];
 
@@ -122,7 +123,7 @@ export class WalletsConfig {
         assetIds.forEach((assetId) => {
           for (let index = 0; index < coinsPerAsset; index++) {
             coins.push({
-              amount: amountPerCoin,
+              amount: bn(amountPerCoin),
               asset_id: assetId,
               owner: walletAddress,
               tx_pointer_block_height: 0,
@@ -167,7 +168,7 @@ export class WalletsConfig {
         'Number of coins per asset must be greater than zero.'
       );
     }
-    if (amountPerCoin < 0) {
+    if (bn(amountPerCoin).lt(0)) {
       throw new FuelError(
         FuelError.CODES.INVALID_INPUT_PARAMETERS,
         'Amount per coin must be greater than or equal to zero.'
diff --git a/packages/fuel-gauge/src/contract.test.ts b/packages/fuel-gauge/src/contract.test.ts
index 1f7d38cc9a0..46cc029706d 100644
--- a/packages/fuel-gauge/src/contract.test.ts
+++ b/packages/fuel-gauge/src/contract.test.ts
@@ -701,7 +701,7 @@ describe('Contract', () => {
     using launched = await launchTestNode({
       contractsConfigs,
       walletsConfig: {
-        amountPerCoin: 2 ** 62,
+        amountPerCoin: bn(2).pow(62),
       },
     });
     const {
@@ -713,7 +713,7 @@ describe('Contract', () => {
     const initialBalance = new BN(
       await contract.getBalance(await provider.getBaseAssetId())
     ).toNumber();
-    const amountToContract = bn(2).pow(62); // Very big number
+    const amountToContract = bn(2).pow(61); // Very big number
 
     const tx = await wallet.transferToContract(
       contract.id,
@@ -733,7 +733,7 @@ describe('Contract', () => {
     using launched = await launchTestNode({
       contractsConfigs,
       walletsConfig: {
-        amountPerCoin: 2 ** 62,
+        amountPerCoin: bn(2).pow(62),
       },
     });
     const {