We have Triton TC36LS 3.6 Volt Lithium Ion Screwdriver with Product Detail Lithium ion battery technology. Retains it?s charge, even after extended periods of non-use. 3.6v high performance, light-weight rechargeable battery. Battery charged LED indicates charging cycle. Quick-action direction switch for forward and reverse applications. Direct plug-in charger provides quick and simple re-charge function. Convenient carry case provides safe storage and easy accessibility. . The "Triton TC36LS 3.6 Volt Lithium Ion Screwdriver" is best product for you. We recommended Triton TC36LS 3.6 Volt Lithium Ion Screwdriver