diff --git a/src/board/system76/common/common.mk b/src/board/system76/common/common.mk
index 7f34a4a..f959d20 100644
--- a/src/board/system76/common/common.mk
+++ b/src/board/system76/common/common.mk
@@ -65,7 +65,7 @@ INCLUDE += $(SYSTEM76_COMMON_DIR)/common.mk
 CFLAGS+=-I$(SYSTEM76_COMMON_DIR)/include
 
 # Set battery charging thresholds
-BATTERY_START_THRESHOLD?=0
+BATTERY_START_THRESHOLD?=90
 BATTERY_END_THRESHOLD?=100
 
 CFLAGS+=\