The Golisi G25 Li-ion 18650 battery has a capacity of 2500mAh and features 20A continuous discharge. Features:

Batteries must:

Be charged correctly: The current and voltage used to charge the batteries must not be greater than is set out in the instructions. Batteries should not be charged in excessively cold or hot temperatures. Do not leave the battery in the charger for over 24 hours. Do not leave the battery unattended whilst charging. Never use a modified or damaged charge.
Use the correct discharge current: The discharging current shouldn’t exceed the level set out in the instructions. If it does this may cause the battery to overheat.
Store the batteries at the right temperature: batteries should be stored at an ambient temperature in dry, well-ventilated conditions. You should avoid excessive hot or cold.
Keep your batteries in a case when not in use. Don’t carry them around loose in bags or pockets: It’s vitally important that batteries do not come into contact with any metal objects as this can lead to leakage, explosion or fire.
Not be used if they are damaged, abnormally hot, discolored, and deformed, if the wrapping is not intact or if any other abnormal conditions are detected. Dispose of the batteries if this occurs.
Not be allowed to come into contact with water or fire. Dispose of the batteries if this occurs.
Not be put in microwave ovens or in any high-pressure container.
Not be used or assembled with other different makes, types or models of batteries.
Avoid excessive physical shock or vibration.

Golisi 18650 Rechargeable Vape Battery 2500mAh