Genuine OEM Original LG BL-54SH is fantastic as a short road trip battery. It's bigger than I want to carry when flying but is perfect for charging. Right now LG has their Genuine OEM Original LG BL-54SH 2460mAh Battery for Optimus P698 F7 US870 LG870 for cheap price. You'll just need to visit the site.
Compatible with Optimus P698 F7 US870 LG870 models 100% Original OEM LG Battery Replacement or spare to extend your talk time and keep your handset working at optimum performance levels at all times Rechargeable Li-ion Battery 3.8V Capacity: 2460mAH 9.3Wh Note: Batteries are not charged and also it doesn't come with packaging.