diff --git a/op-alt-da/params.go b/op-alt-da/params.go
index 86339200f7fc..1c16ad0c7792 100644
--- a/op-alt-da/params.go
+++ b/op-alt-da/params.go
@@ -2,8 +2,10 @@ package altda
 
 // MaxInputSize ensures the canonical chain cannot include input batches too large to
 // challenge in the Data Availability Challenge contract. Value in number of bytes.
+// For EigenDA, batch size is not a limiter for Data Availability Challenge contract,
+// so this is set to 16MB (current EigenDA batch size limit)
 // This value can only be changed in a hard fork.
-const MaxInputSize = 130672
+const MaxInputSize = 16_000_000
 
 // TxDataVersion1 is the version number for batcher transactions containing
 // altDA commitments. It should not collide with DerivationVersion which is still