One of the best ways to cut your vaping costs is by shopping for vape batteries online. Online sellers tend to have a very expansive range of products for people to choose from. Moreover, their lower overhead costs give them a greater opportunity to pass savings down to buyers. It’s still important, however, to check for the right battery features. For instance, you want the battery you choose to have a long lifespan. Once it is fully charged, this unit should remain viable for at least three to four hours, even with regular use. It should also be rated well in terms of overall safety and reliability. Units that are prone to overheating will not provide good value. They can also cause damage to your mod overall and may be at risk of combustion as well as other, serious problems.