Specifications Hign-concerned Chemical:None Nominal Capacity:3.7V Model Number:902030 Type:Li-Ion Brand Name:MYFKALA Origin:Mainland China Certification:CE Set Type:Batteries Only Type:Li-polymer Nominal Capacity:500mah Model Number:902030 Brand Name:MYFKALA Origin:Mainland China Battery Type:Lithium polymer battery Standard Voltage:3.7V Product Size:Thickness 5mm*width 20mm*length 30mm Scope of use:Consumer electronics, power storage Charge cycle:about 600 times Dear friend: If you are not sure whether the battery is suitable for your model, you can contact our customer service. Tell us your battery parameter model and size, we can customize the battery you need for you, thank you. Details: Battery Type: Li-Polymer Rated Voltage: 3.7V Rated Capacity:500mAh Cell Size:about 9*20*30mm As the batteries are dangerous and sensitive goods, they cannot be quickly delivered by AliExpress official logistics. All AliExpress battery sellers can only deliver the goods by Seller's Shipping Method, which takes about 30-58 days. If you are not satisfied with the delivery method and time of battery goods, it is recommended that you do not buy batteries easily. Thank you for your understanding.