Prismatic Polymer Li-Ion Battery, 3.7V, 240mAh (602025) for RC Car and RC Plane or Micro Device SpecificationsValues Rated Capacity (mAh) 240mAhModel Number 602025 Nominal Voltage (V) 3.7 Dimensions (mm) 25(length) x 20(width) x6(thickness)Impedance (m-Ohm) <= 50Cell Weight (g)4.6 gMax. Charge Current 1 CMax. Charge Voltage (V) 4.2 Max. Discharge Current1C Cut-off voltage (V) 2.75 Operation Temperature Charge 0~+45 oC Discharge -20~+60 oC Storage Temperature <= 1 month-10~+35 oC >=6 month-5~+30 oC Cautions CAUTIONwhen working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled. User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging and assembly before use. We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteries Don't leave battery unattended during charging Don't put battery on wood surface or carpet or near flammable materials during chargingDownload data sheet here.