Walmart offers the Stalwart 4.8-volt Cordless Screwdriver with Charger, model no. 75-50555, for $17.12. Choose in-store pickup to dodge the $5.97 shipping fee. That's $2 under our May mention and the lowest price we could find by $4. It features an LED charging indicator, automatic spindle lock, two slot driver bits, two Phillips bits, and magnetic socket extension.