Ultra-high Capacity and 1.5v Voltage Outputimuto rechargeable lithium aaa batteries with a high capacity of 1300mWh and higher energy density,which allows for a high number of charge/discharge cycles and a long lifespan.Constant output of 1.5V for the entire process until the power is completely depleted, keeping your device in top condition at all times. 1600 Cycles, Saving Money1 pack imuto AAA lithium battery can be recharged up to 1600 times. It is equivalent to thousands of dry batteries. Considering its 12-year battery shelf life,low-self-discharge, and Long-term use saves much money compared with disposable batteries. Integrated Charging and StorageThe 8-slot battery charger can charge 1-8 pcs AAA batteries at once. This charger can also be used as a box to store AAA batteries when not charging. You don't need to worry about batteries scattered in the drawer and not being able to find them when you need to use them. Everything you need is in one compact unit, per