LG EAC61778401 Lithium Ion Battery for LG BL-46CN/A340 - Original OEM - Non-Retail Packaging - Black This 900mAh Li-Polymer battery will provide your phone with optimum performance. This reliable battery is a great back-up or replacement that will extend your talk time and keep you connected. Stay connected with the LG BL-46CN Battery for the LG F4 A340. OEM Part Number: BL-46CN/BL46CN/EAC61778401/EAC61778405 Compatible with the LG A340 F4 phone model.