Huawei HB4A1H Battery M318 U2800A Original OEM - Non-Retail Packaging - Black In search for a back-up or replacement battery for your Huawei phone? The 900mAh Huawei HB4A1H Battery provides your phone with the power it needs so you can stay connected. With this battery, your Huawei phone gets the optimal performance it needs so you can stay in touch much longer. In search for a back-up or replacement battery for your Huawei phone? ^The 900mAh Huawei HB4A1H Battery provides your phone with the power it needs so you can stay connected. ^With this battery, your Huawei phone gets the optimal performance it needs so you can stay in touch much longer.