3.7V, 2000mAh, Li-Polymer Battery fits Cisco, Cp-7921, Cp-7921g, 7.4Wh

Battery Fits Models:- Cp-7921, Cp-7921g, Cp-7921g Unified

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Battery Part Numbers:- 74-4957-01, 74-4957-01 Rev. C1, 74-4958-01

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Cameron Sino is one of the world's most successful third-party battery manufacturers; check out our products and service reviews. All are verified and genuine. Cameron Sino batteries have manufactured generic batteries for many years. We offer the freshest batteries straight from the manufacturers; they are reliable and built with safety as an essential part of their construction. Choosing the correct battery can be an absolute nightmare and very difficult for those of you less technically inclined. We recommend that you remove the old battery before ordering if possible. This is the best thing to do. Quite a few manufacturers have 2 or 3 different batteries fitted in one model. We can usually confirm fitment from the battery model number for you.  Choosing the correct battery can be an absolute nightmare and very difficult for those of you less technically inclined. We recommend that you remove the old battery before ordering if possible. This is the best thing to do. Quite a few manufacturers have 2 or 3 different batteries fitted in one model. We can usually confirm fitment from the battery model number for you.  It's essential to confirm the information from your device before ordering; contact us before ordering if you are not sure. Our warranty is valid for one year unless otherwise stated. The warranty covers the product against any manufacturing defect.   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. Our ISO 9001 certified factory uses the best quality components and manufactures its products to the exact high specifications as the OEM factory battery. We Endeavour to make our batteries meet or exceed the original batteries' specifications. All of the known fitments for this product can be seen in the table below. 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. It may be worth confirming with us if you are unsure which battery to order. We try to keep our records updated to the best of our ability, but manufacturers can change fitment without notice.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.