diff --git a/platform/targets/ttwrplus/hwconfig.h b/platform/targets/ttwrplus/hwconfig.h
index 0fd7622d..d12e51b7 100644
--- a/platform/targets/ttwrplus/hwconfig.h
+++ b/platform/targets/ttwrplus/hwconfig.h
@@ -30,7 +30,6 @@
 #define SCREEN_HEIGHT DT_PROP(DISPLAY, height)
 #define PIX_FMT_BW
 
-/* TODO: battery type */
-#define BAT_NONE
+#define BAT_LIPO_1S
 
 #endif /* HWCONFIG_H */
diff --git a/platform/targets/ttwrplus/ttwrplus_defconfig b/platform/targets/ttwrplus/ttwrplus_defconfig
index 5a2d2530..74021a02 100644
--- a/platform/targets/ttwrplus/ttwrplus_defconfig
+++ b/platform/targets/ttwrplus/ttwrplus_defconfig
@@ -8,3 +8,5 @@ CONFIG_DYNAMIC_THREAD=y
 CONFIG_DYNAMIC_THREAD_STACK_SIZE=4096
 CONFIG_DYNAMIC_THREAD_PREFER_POOL=y
 CONFIG_DYNAMIC_THREAD_POOL_SIZE=4
+CONFIG_COMMON_LIBC_MALLOC=y
+CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=131072