A deep cycle battery is a type of lead acid battery that can be charged and discharged several times for long life. They can be a good source of portable power. A deep cycle battery stores power through lead plates and sulfuric acid, so it is possible to create and charge your own battery. You need to use extreme caution if you try this, because sulfuric acid is highly corrosive and poisonous. Warnings Writer Bio

How to Build a Deep Cycle Battery - 75