Dextra Tools via Amazon offers Prime members its Dextra 4-Volt Dual-Angle Lithium-Ion Cordless Screwdriver Kit, model no. 15009, for $22.99 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise shipping adds $6.91.) That's the $2 under the lowest total price we could find elsewhere. The kit includes a battery, charger, magnetic bit holder, storage case, and 26 bits.