Long Lasting Power - With a 20-piece AA Alkaline Battery pack, PKCELL gives you the high value for batteries at an affordable cost. Long lasting and high performing, these AA batteries will go the distance for your electrical needs. Stock up and keep your electronic devices ready to go, don't worry about dead-battery problems again. Power Household Electronics - A performance you can count on, our batteries function as the household AA batteries to power your electronics. Best used on everyday applications such as wireless mouse’s & keyboards, clocks, flashlights, toys, remote controls, and much more! Reliable Performance - Even at temperatures as low as -4°F degrees or as high as 129°F degrees, the PKCELL alkaline AA 1.5V batteries will still operate at optimal performance. Rest assured knowing that PKCELL stands behind the performance of our batteries. (For batteries used in prolonged low or high temperature environments, consult PKCELL technical experts for professional usage advisory services.) Date Coded 10 Year Shelf Life – PKCELL long lasting AA battery has 10 years shelf life for trustworthy backup energy, so there will be power when you need it. All of PKCELL1.5V AA batteries have been date coded to guarantee freshness. Certified Safety- Our double A batteries have been held to the strict requirements of CE. With a certificate by SGS under the standards of IEC60086, it has passed the all encompassing battery testing from performance, dimensions and environmental factors. WARNING: These are one time use disposable batteries. Please DO NOT recharge these batteries. PKCELL AA Batteries