diff --git a/meshtastic/config.options b/meshtastic/config.options
index 9310cf0..9d12166 100644
--- a/meshtastic/config.options
+++ b/meshtastic/config.options
@@ -15,6 +15,7 @@
 *LoRaConfig.channel_num int_size:16
 
 *PowerConfig.device_battery_ina_address int_size:8
+*PowerConfig.device_battery_num_cells int_size:8
 
 *SecurityConfig.public_key max_size:32
 *SecurityConfig.private_key max_size:32