Hotspot Battery for Huawei HCB18650-12 E5730 E5730s E5730s-2 3.7V 5200mAh NEW $27.39 $79.99 Hotspot Battery for Huawei HCB18650-12 E5730 E5730s Compatible with the following devices E5730, E5730s, E5730s-2 Compatible with Battery Part Numbers HCB18650-12 Add to Cart