Amazon is currently offering a great deal on what are pretty much the best rechargeable batteries on the market: the Panasonic Eneloops. Today, you can get 10AA and 4AAA batteries plus the charger for just $27.98 instead of $39.99!

Includes 10 AA and 4 AAA (2100 cycle) eneloop batteries and eneloop 4 cell battery Re-Charger charger (BQ-CC17) – eneloop Ni-MH “Low Self Discharge” batteries utilize Panasonic’s advanced rechargeable battery technology allowing them to be recharged up to 2100 times. eneloop battery cells deliver consistent power performance, maintain 70% of their charge for up to 5 years, come pre-charged by solar power (at the factory) and are ready to use out of the package.

–Panasonic Eneloop Power Pack (10 AA + 4 AAA + Charger) – $39.99 $27.98