Dear buyers, please contact customer service when you see the products you like, don’t worry about pre-ordering, look forward to your welcome Battery specifications: 🍀Brand Name:DAWEIKALA 🍀Model Number:14500 🍀Type:Li-Ion 🍀Nominal Capacity:3800mAh 🍀Voltage: 3.7V 🍀Weight: 25g 🍀Rechargeable:Yes 🍀Internal resistance: within 50mΩ 🍀Environmental temperature: Charging: 0-60 ℃ Discharge: -20-60 ℃ 🍀Applicable types: digital products, cameras, camcorders, razors, communications, , energy storage, military, etc. 🍀Charging and discharging standard: more than 1000 times, charging cut-off voltage 4.2V (volt), discharging cut-off voltage 2.75V (volt) 🍀Certification:NONE Charger specifications: 🍀Model:988 🍀Weight:about58g 🍀Size:10.552.8cm/11*5.3*3cm 🍀Input: DC 5V 🍀Output : DC 4.2V 1200mA2 🔥-We uphold the principle of honest sellers-🔥 If there is any problem with the product, or you are not satisfied with the product you received, you can contact us at any time, and we will provide you with a satisfactory solution😘 💟If the item you received is defective, please contact us immediay 💟If you have any questions about the product, please contact our customer service, and the online customer service will help you