Mobile, Smartphone 3.7V, 550mAh, Li-ion Battery fits Topblue, V2.0 Bluetooth, 2.035Wh

Battery Fits Models:- V2.0 Bluetooth

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Battery Part Numbers:- Tb-521

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Batterybuyer.com supplies some of the world's best generic replacement products available in the world today. Our equivalent battery is made with premium cells and is rated as shown in the specifications on the product page. Contact us if there is any doubt about the fitment of the battery for your device. We can select the correct battery for you. If we make the selection, you can be assured that if there are any fitments, the exchange or return falls to us, and we will cover any costs involved. Contact us if there is any doubt about the fitment of the battery for your device. We can select the correct battery for you. If we make the selection, you can be assured that if there are any fitments, the exchange or return falls to us, and we will cover any costs involved. If you cannot confirm the battery number before ordering, it may be best to contact us before placing your order. We offer a one-year warranty to guarantee against manufacturing defects unless otherwise stated; the warranty covers against defects from manufacture but not if the battery has been misused or modified. The average life of a Li-ion battery is around 400 cycles; This is the same for Lithium Polymer. Nimh should last for about 500 cycles. (A cycle is a discharge and recharge.) Please remember that a cycle will still be used, even if only partially discharged, then recharged. It's always best to run the battery low and recharge when it reaches about 10% of its charge left. This will extend the life of the battery. The batteries we supply are manufactured to a very high standard. To keep our ISO 9001 certification, strict protocols need to be followed. This ensures that the replacement batteries are safe to use in the device they were designed for. This battery should meet or exceed the specifications of the original OEM battery. The products that this replacement battery is designed to replace are shown below. Special Remarks:- None at this timeYou must check that you are going to order the correct battery. To be certain of fitment, make sure that the battery number, device model, and manufacturer are listed in the description. This is the only guarantee that this is the correct battery. Contact us if you would like us to confirm 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.