Battery Fits Models:- S50, S51, S55, S6, T4, T60, T61rr, T65, T70, T71rr
Battery Part Numbers:- Brr-2p4s-5200d
Cameron Sino is one of the world's most successful third-party battery manufacturers. Check out the reviews on our products and service. All are verified and genuine. Our brand-new battery is equivalent to the manufacturers, as stated below. In addition, it is made with premium Lithium-Ion cells and is rated as shown in the specifications. If your model and battery numbers are listed in the product description, you can be almost sure that you are ordering the correct battery. If we say it will fit and both these details match your product, and it still does not fit, we will exchange or refund the battery at our expense. If your model and battery numbers are listed in the product description, you can be almost sure that you are ordering the correct battery. If we say it will fit and both these details match your product, and it still does not fit, we will exchange or refund the battery at our expense. Please compare the data below with the models in the tables. If you cannot match the model and battery number, contact us, and we can confirm fitment. 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. The average life of a Li-ion battery is around 400 cycles. This is the same for Lithium Polymer. So 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 the battery reaches about 10% of its charge left. This will extend the life 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; each cell's 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 so many different models of batteries available today for so many other products. It's easy to make a mistake. Please confirm with us if you are not sure which battery to order. We keep our records updated to the best of our ability, but manufacturers can change fitment without notice.Stay calm if the Mah (Milliamp Hour) is greater or less than that of the original. This figure estimates the battery's capacity to store charge and will not affect the original equipment or charging.