Battery Fit's Models:- Ex-p600, Ex-p700, Qv-r3, Qv-r4Battery Part Numbers:- Ad-c40Cameron Sino is one of the world's most successful third-party charger manufacturers; check out our products and service reviews. All are verified and genuine. Canadian batteries is a genuine Canadian supplier. We operate many inventory systems, and all products over nine months old are disposed of and replaced with fresh new stock. If you are not sure which battery you need to order, contact us first. We can confirm the fitment for you. Please be prepared to give us as much data as possible to decide the best product for your device. If you are not sure which battery you need to order, contact us first. We can confirm the fitment for you. Please be prepared to give us as much data as possible to decide the best product for your device. Please compare the data below with the models that you see in the tables. If you cannot match both the model and battery number, contact us to confirm fitment for you. 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. As a rough guide, lithium Ion batteries can be charged around 400 times, Nimh usually around 500 times, and Lithium-polymer around 400 times. Our ISO 9001 certified factory uses the best quality components and manufactures it's products to the exact high specifications as the OEM factory battery. We Endeavour to make our batteries meet or exceed the original batteries' specifications. This replacement battery is designed to replace the models shown below. Special Remarks:- Included UK, Euro, USA and AU/NZ PlugsConfirm that all the details listed below match your original battery before ordering. Some models have more than one battery type available, and the only way you can confirm the correct battery is to remove the original.Do not be alarmed if the Mah (Milliamp Hour) is greater or less than the original. This figure stated is an estimation of the battery's capacity to store charge and will not affect the original equipment or charging.