This is the #2849X Battery and #2970 iD Charger Completer Pack from Traxxas. Part # 2994<br><br>Features:Battery:<br>4000mA<br>11.1v<br>3-Cell ID Charger:<br>Recognizes Traxxas iD batteries to automatically program and optimize charger settings<br>Charge progress indicator<br>Optimized for faster LiPo balance charging<br>One button LiPo storage charge protects your battery investment<br>Advanced high-resolution peak detection delivers a perfect charge<br>Easy to use interface<br>Built-in cooling fan<br>Advanced Mode for full manual control of charger settings<br>Legacy support for all Traxxas High-Current Connectors<br>Built-in balance ports for conventional LiPo batteries<br>Charges 5-8-cell NiMH batteries<br>Charges 2s and 3s LiPo batteries<br><br>Includes:<br><br>(1) iD Charger #2970<br>(1) 4000mAh 11.1v 3-Cell 25C Lipo Battery #2849X<br><br>Specs:iD Charger Specs:<br><br>AC Input: 100–240 Volts<br>Charge Current Range: 1.0-4.0A (40W Max.)<br>Discharge Current Range: 500mAh<br>Current Drain For Balance Ports: 500mAh<br>NiMH Battery Cell Count: 5–8 Cells<br>LiPo Cell Count: 2–3 Cells<br>Net Weight: 365g<br>Dimensions: 146 x 123 x 53mm