Betdaq Direct via Amazon offers the Tycipy 2,800mAh Rechargeable Ni-MH AA Batteries bundled with the Tycipy 4-Bay AA/AAA Battery Charger for $39.99. Coupon code "SATY9LCH" cuts that to $31.99. With free shipping, that's $38 off and the best price we could find. (For further comparison, we saw this combo with 16 batteries for $7 less a month ago.) The batteries can be recharged up to 1,200 times.