3.7V, 950mAh, Li-ion Battery fits Huawei, Envoy U3900, Hwm636, 3.515Wh

Battery Fits Models:- Envoy U3900, Hwm636, Hwm636-r, M318, M635, M636, Pinnacle 2, U120, U121, U2800, U2800a, U2801, U2801-5, V715, V716, V839

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Battery Part Numbers:- Hb4a1h, Hbu83s

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The replacement battery listed here is developed using the highest quality components.  Batterybuyer is a genuine Canadian supplier. We operate many inventory systems, and all products over nine months old are disposed of and replaced with fresh new stock. If in doubt - check us out! We will select the correct battery for you and guarantee that fitment. A simple phone call or email, or live chat can save you time and money on your selection.  If in doubt - check us out! We will select the correct battery for you and guarantee that fitment. A simple phone call or email, or live chat can save you time and money on your selection.  Ensure that you have verified that you are ordering the correct battery, look at the voltage and battery part numbers, and make sure they match. We can select for you just live chat with us, and we will confirm the product you need. The warranty we offer is for 12 months; this covers your product against manufacturing defects. If for any reason, the product fails within this period, we will replace it free of charge once we receive the product back for testing. Battery life is dictated by several factors, including temperature, charging frequency, and type of charger. As a rule of thumb, Nimh cells can be charged around 500 times, Lithium-Ion around 400 times, and Lithium-polymer Around 400 times. This can increase or decrease depending on the use of the battery. Being an ISO 9001 certified factory means that the Cameron Sino range of batteries must be manufactured with only the highest quality components. You can rest assured that the batteries we supply are thoroughly tested in the devices they are designed for and built with the same safety protocols as the original OEM battery. Fitments that we know that this battery is shown below. Special Remarks:- None at this timePlease make sure that the device manufacturer, The model number, and the battery part number are all listed in our product details. Some manufacturers have more than one battery type fitted in like models. We recommend that you remove the original battery before ordering to confirm this. If you are not sure, we may verify for you.If the battery's capacity is different from that of your original, this does not mean that ours does not match; it just means that our replacement battery will store slightly less or slightly more charge than the original.