diff --git a/bottleneck.d.ts b/bottleneck.d.ts
index 00c24cb..eba8dd2 100644
--- a/bottleneck.d.ts
+++ b/bottleneck.d.ts
@@ -298,9 +298,14 @@ declare module "bottleneck" {
           * Add a request to the Batcher. Batches are flushed to the "batch" event.
           */
         add(data: any): Promise<void>;
+
+        /**
+         * Force a 'batch' event if there are any rows currently in the batch
+         */
+        flush(): void;
     }
 
-    class Group {
+        class Group {
         constructor(options?: Bottleneck.ConstructorOptions);
 
         id: string;
diff --git a/bottleneck_types.ejs b/bottleneck_types.ejs
index ac79560..ac7d365 100644
--- a/bottleneck_types.ejs
+++ b/bottleneck_types.ejs
@@ -297,6 +297,11 @@ namespace Bottleneck {
           * Add a request to the Batcher. Batches are flushed to the "batch" event.
           */
         add(data: any): Promise<void>;
+
+        /**
+         * Force a 'batch' event if there are any rows currently in the batch
+         */
+        flush(): void;
     }
 
     class Group {
diff --git a/src/Batcher.coffee b/src/Batcher.coffee
index 5ddd66d..65599b7 100644
--- a/src/Batcher.coffee
+++ b/src/Batcher.coffee
@@ -36,4 +36,8 @@ class Batcher
       , @maxTime
     ret
 
+  flush: ->
+    if @_arr.length
+      @_flush()
+
 module.exports = Batcher