Amazon offers its Prime members the La Crosse Technology Alpha Power Battery Charger, model no. BC-700, for $24.73 with free shipping. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping starts at $5.46.) That's $2 under our mention from ten days ago and the lowest total price we could find today by $10. This charger supports NiCad and NiMH AA and AAA rechargeable batteries and features four modes: charge; discharge; recharge; and test.

Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months.