2pcs Listman IMR 18650 2600mAh 60A Flat Top Li-ion Rechargeable Battery. Brand: Listman Unit: 2pcs/pack Model: 18650 Normal Voltage: 3.7V Normal Capacity: 2600mah Type: LiMn (IMR) Size: 18mm*65mm Discharge Current: 60A Top: Flat/Buttom Package: Simple Packing Warnings: -Do not overdischarge/overcharge -Recharge drained batteries ASAP -Do not short circuit -Do not dispose of in fire -Do not expose to extreme heat or water -Please be familiar with handling lithium batteries before purchase.