Jethro phones have long-lasting Li-ion 1600 mAh Rechargeable batteries. Lithium-ion batteries have high energy density and low maintenance; The battery life of a Jethro long-lasting battery is 3 to 5 hours while talking and 90 to 120 hours on standby.

 

Not only are Jethro batteries long-lasting, but they are safety certified. By being certified, you can be sure all Jethro batteries are safe to use.