This is the Traxxas 2200mAh 7.4-volt 2-cell 25C LiPo with iD Auto Battery Identification

Features:

• Semi rigid construction does not require a hard case and eliminates wire harness connectors that can loosen and fail
• Engineered specifically to fit Traxxas models
• 16AWG multi strand wire is soldered directly to the LiPo cells eliminating increased resistance from bullet connectors and accidental reversed polarity connections

Includes:

• Traxxas Power Cell 7.4V 2200mAh 25C LiPo 2S Battery with High Current Traxxas ID Connector

Requires:

• A Traxxas LiPo capable EZ-Peak charger like this: https://bchobbies.com/products/02dcd191-aea8-11e9-f336-9c37b610656b

Comments:

• ALWAYS use a LiPo-approved Charger
• ALWAYS use a LiPo Cell Balancer
• NEVER Charge over 4.20V per cell
• NEVER Charge at currents greater than 1C
• NEVER Charge through the To ESC or DISCHARGE lead
• NEVER Trickle Charge
• NEVER allow to Discharge below 2.5V per cell
• NEVER disassemble or modify pack wiring in any way or puncture cells
• NEVER place on combustible materials or leave unattended during charging
• ALWAYS Charge in a fireproof location
• ALWAYS set charger's output volts to match battery volts
• ALWAYS keep out of reach of children