Shop4Tech offers the Tenergy Centura NiMH 800mAh Rechargeable AAA Battery 12-Pack (pictured) for $17.88. Coupon code "PLC22" cuts it to $13.95. With free shipping, that's $1.16/battery and the lowest total price we could find by $3, although we saw them for pennies less last week. Coupon expires March 3.

Also available is the Tenergy Centura NiMH 2000mAh Rechargeable AA Battery 12-Pack for $23.88 before the above coupon, $18.63 after. With free shipping, that's $1.55/battery and the lowest total price we could find by $5, although we saw them for pennies less last week.