ELECTRONICS CELL ENERGIZER Weight: AA ENERGIZER RECHARGEABLE POWER PLUS 4 PIECE provide the most reliable and secure energy source for your devices. With this long lasting cells, you can trust that your device will stay charged even when out of range of power. With this product, you can be sure that you're getting the best possible performance from your power supply. This cells are made of top quality lithium ion, providing you with hours of endurance and seamless continuations.