Be the first to have the 4th generation Panasonic has just announced its New Eneloop batteries, which maintain their capacity even after 5 years of storage after Recharging. The New Eneloop batteries are also rechargeable approximately 2100 times, an increase of approximately 20% compared to previous Eneloop batteries which are rechargeable approximately 2100 times you need a battery, which is reliable even when having cold temperatures? before Eneloop was suitable for temperatures as low as -10a DegreeC - now even until -20a DegreeC. The New Eneloop is even more environment-friendly as it is pre-charged with solar energy in Japan. This product is manufactured in Japan.