Duracell CEF14DX4N Charger with 4 AA Pre-Charged Rechargeable NiMh Batteries for $9.99. Shipping is free on orders over $25. If needed, use this Filler Tool to pad the order to qualify for free shipping. Here is a screenshot for your reference. This charger comes with 4 pre-charged AA nickel metal hydride batteries and retains power for up to 365 days while not in use. Most places have this Duracell Value Charger package for about $20.