Samsung Li Ion INR 18650 25R 3.7 V Rechargeable Battery With FST EVE CHAM Lithium Cells 3.6V/3.7V, 2500mAh/9.25Wh For Power Tools From Ecodream, $2.59 | DHgate.Com
Samsung 25R 18650 2500mAh 20A Battery - High-Quality and Versatile
INR18650-25R - INR18650-25R Samsung Lithium Ion 3.6V 2.5Ah High Temp (75 deg C) High Drain Type Cylindrical Battery (Maximum Discharge Current 20A)