Battery for Boyue likebook Mars 7.8" CLP307499 E-book E-reader CS-BYM780SL $22.89 $69.99 Battery for Boyue likebook Mars 7.8" CLP307499 E-book E-reader CS-BYM780SL 3.7v Compatible with the following devices likebook Mars 7.8" Compatible with Battery Part Numbers CLP307499 Add to Cart