100% Genuine Sony US18650VTC4 2100mAh battery, also known as the VTC4, they are fitted with a very High Power Cell with 30A continuous current capability. The Sony VTC4 is generally considered ideal for Mechanical Mod application due to this High Power Cell, there really isn't anything that compares to it for continuous current capability.
However, be sure you're supplied the actual authentic product when purchasing this product as there are many counterfeits circulating within the enormous international market. To compound the problem these counterfeits are extremely difficult to identify without removing the actual battery wrap with the majority not meeting original specifications thus making them dangerous to use in any application. We guaranteed the product to be genuine because we only source from known trusted suppliers, you should do the same with this type of product.
The use of any Sony lithium ion rechargeable battery cell as a stand-alone product, including with e-cigarettes, vaporizer pens, and other products, constitutes a DANGEROUS misuse of the battery cells that poses a SERIOUS risk of personal injury or property damage. Sony does NOT approve using them in this application. These battery cells should only be used with necessary enclosures and protection circuitry to enable safe usage of the battery cells.
Battery safety is very important. Mistreated batteries can get extremely hot and/or vent which could cause injury. Always follow the following rules to make sure this doesn't happen. We are not liable for mistreated batteries.
Never completely discharge batteries (below 2.5V under load or 3V unloaded)
Charge fully (to 4.2V) before first use
Never use a lot of force on the battery to install
Use only high quality battery chargers
Do not expose to heat
Do not connect the positive contact to the negative contact without an appropriate load
Be mindful of the current limits in the specification and never exceed them
Never keep a spare battery loose in a pocket, purse, etc. Always use protective cases for loose batteries. If it shorts against a piece of metal it can be very dangerous.
Never charge battery 4.3V or above
Do not charge unattended
Do not store your li-ion batteries fully charged for an extended period of time (weeks or more)
If you must store battery then do it in a case or individual box in cool and dry place at approximately 3.6V - 3.7V
Never try to charge or discharge li-ion batteries with battery chargers that are not made for Li-ion batteries.