diff --git a/types.h b/types.h
index 9225b91..32812a3 100644
--- a/types.h
+++ b/types.h
@@ -80,7 +80,7 @@
 #define INSTANT_DEATH_DISTANCE_FROM_CENTER 10000.0f
 #define SOLAR_ENERGY_PER_SECOND 0.09f
 #define DAMAGE_TO_PLAYER_PER_BLOCK 0.1f
-#define BATTERY_CAPACITY 1.5f
+#define BATTERY_CAPACITY 4.5f
 #define PLAYER_ENERGY_RECHARGE_PER_SECOND 0.2
 #define EXPLOSION_TIME 0.5f
 #define EXPLOSION_DAMAGE_PER_SEC 10.0f