About this replacement
Designed for Digma, Pocketbook devices. Compatible models include E628, R657, 4G-15, 4K-19, 614, 614 Basic 3 Plus, 615, 616, 624, 626, 626 Plus, 627. Replacement part numbers include 306070PL, 4G-15, 4K-19. Key specifications: 3.7V, 1450mAh, Li-Polymer.