Mobile, Smartphone 3.7V, 750mAh, Li-ion Battery fits Topblue, V2.0 Bluetooth, 2.775Wh

Battery Fits Models:- V2.0 Bluetooth

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Battery Part Numbers:- Tb-521

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Our equivalent battery is made with premium cells and is rated as shown in the specifications on the product page. The Cameron Sino range of batteries are historically the most reliable and cost-effective generic batteries we have ever supplied; they are designed with safety as a priority and will last as long as the originals. Due to the data not being available, this battery will often fit unlisted models. As this information becomes available, we update these fitments regularly. If you are not sure which battery you need to order, please contact us and guide your selection. Due to the data not being available, this battery will often fit unlisted models. As this information becomes available, we update these fitments regularly. If you are not sure which battery you need to order, please contact us and guide your selection. Usually, we can confirm fitment for you. If you are not sure how to locate the correct information on your device, please get in touch with us, and we will identify the correct battery for you. The warranty we offer on all of our products is one of the best in the business; we make returns easy and quickly test and replace any product found to have an issue within the 12 or 6 months warranty period. Different chemistries of batteries have other cycle lives; Li-Ion usually lasts for around 400 to 500 cycles, Lithium Polymer is the same. Nimh batteries will usually last for about 500 cycles. A cycle is a full discharge and recharge of the battery. All the batteries we supply by Cameron Sino are designed to be as long-lasting as the original OEM battery. Our ISO 9001 certified battery uses high-quality components, and each cells rating can be seen in the table above. Actual capacity and voltage may vary slightly from the original due to cell availability. The Products below should be replaced perfectly by our battery Special Remarks:- None at this timeThere are three critical pieces of data that you will need to confirm this battery's fitment in your device. You will need the model of your device, The battery number - found on the original battery, and the manufacturer. This is the only way to be 100% sure this is the correct battery.Our battery may have a different Capacity to your original, either to increase the runtime of the product or due availability of cells. The product will still fit and charge as long as your device and battery number are listed.