Avenir Telecom is pushing the Energizer brand of phones into a more premium segment with the Ultimate series, but a phone like the Ultimate U620S Pop lacked the brand's defining characteristic - awesome battery life. The new Energizer Power Max P18K Pop is here to fix that. The P18K stands for an 18,000mAh battery - beating the P16K Pro by an iPhone 8 battery and change. You can take this on extended trips away from the power grid, the phone promises up to 4 days of music playback (non-stop), 2 days of video or up to 50 days of standby. The phone supports 18W quick charging (USB Power...
Source: https://www.gsmarena.com/energizer_power_max_p18k_pop_features_an_18000mah_battery_dual_popup_selfie_cam-news-35518.php