3.85V, 3900mAh, Li-Polymer Battery fits Redmi, K20 Pro, M1903f11a, 15.015Wh

Battery Fits Models:- K20 Pro, M1903f11a, M1903f11c, M1903f11g, M1903f11t, Mi 9t Pro, Mzb7748in, Mzb7749in, Mzb7750in, Mzb7751in, Mzb7752in, Mzb7753in

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Battery Part Numbers:- Bp40

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The products we supply are exceptionally well designed; they use only the best quality parts and are built with safety as a priority. They are designed to be as durable as the original version of this product. The products we supply are exceptionally well designed; they use only the best quality parts and are built with safety as a priority. They are designed to be as durable as the original version of this product. 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.  If both your device's battery and model number are shown in the table below, you should be good to order. Cameron Sino products are usually covered by a 12-month warranty unless otherwise stated.  Just send the product back to us, and a replacement will be sent to you free of charge. 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 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.