1100mWh Capacity and 1.5v Voltage OutputHixon rechargeable lithium aaa batteries has 1100mWh high capacity and 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.(The additional AAA to AA Converter is for AAA charging, and it can also transfer AAA batteries to AA size when you need) Up To 1600 Cycles, Saving MoneyHixon advanced lithium-ion battery technology,1 pack 1100mWh AAA lithium battery can be recharged up to 1600 real times.Equivalent to thousands of dry batteries.Eventrough these rechargeable aaa battery more expensive than disposable batteries, considering its 12-year battery shelf life,low-self-discharge, and Long-term use will saves much money.Free of harmful substances, not only economical but also environmentally friendly 1Hour Fast Charging Technology 5V/3A fast charge technology can