This is the Plazma 11.1V 3200mAh 35C LiPo battery from HPI.
Requires: LiPo compatible charger and balancer such as the Onyx 235 AC/DC Charger
Note: Always use LiPo-approved charger, LiPo cell balancer and set charger’s output volts to match battery volts. Be sure to charge in a fireproof location and keep out of the reach of children. Never charge over 4.2V per cell, charge at currents greater than 1C, charge through the “To ESC” or “Discharge” lead, allow discharging below 2.5V per cell or trickle charge. Do not disassemble or modify pack wiring in any way, puncture cells, place on combustible materials or leave unattended during charging.