Amazon has a great offer on 4-pack Duracell StayCharged Rechargeable AA Batteries for $6.78 when you checkout with Subscribe & Save + clip $1.50 coupon on product page. Shipping is free.
* Stays charged for up to 1 year
* Holds charge up to 5X longer
* Can be charged 100s of times
* Stays charged longer than RCR and have to be recharged less often
* Contains 4 AA pre-charged rechargeable batteries
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