Battery Charge Indicators From Traxxas Are Here
New #2943 Traxxas Battery Charge Indicator Plugs make it easy to manage the charge status of your batteries. Use green for fully charged batteries, blue for LiPos that are charged for storage, and grey to indicate discharged batteries. These plugs also help protect the battery plug terminals from accumulating dirt, corrosion, or foreign material during storage and transport.
Each package includes 12 indicators: 4 green (charged), 4 grey (discharged), and 4 blue (storage charged). Using Traxxas battery charge indicators makes it easy to keep track of and quickly reference battery charge status.