Announced in May this year, both the Nokia E52 and E55 have an impressive battery life, giving you up to 8 hours of talk time or 28 days of standby time. The Nokia E52 comes with a traditional numeric keypad, while the E55 equipped with a half-QWERTY keyboard. According to SlashGear review, “We found that with WiFi constantly turned on, together with push-email from an Exchange server, a few phone calls each day and some SMS messaging we managed close to five days of before needing to charge the battery, making the E52 and E55 excellent choices for those prone to forgetting to charge their cellphone.” Check out the full review via this link!