Voltage of single cell: 3.7V Nominal voltage after battery pack combination: 7.4V Capacity of single battery: 3.35ah Battery combination mode: 2 string 1 parallel Voltage range of battery after combination:5.0V~8.4v Battery capacity after combination: 3.35ah Battery pack power: 24.79w Battery pack size: 20*39*67mm Maximum discharge current: < 3.35A Instantaneous discharge current: 6.7a-10.05a Maximum charging current: 0.2-0.5c Charging and discharging times: ＞ 500 times7.4V cylindrical lithium battery Meet the relevant national standards and requirements for batteries All finished battery products are calibrated and tested before delivery. They can be used directly and normally. If you need a battery with a higher capacity and a higher price-performance ratio, 3350mAh is a very good choice. The country of origin is China, and the technology is relatively mature. China is a major producer of lithium batteries, and our batteries are exported to many countries around the world, such as the United States, the United Kingdom, Japan, South Korea, etc., and our lithium batteries can pass local national certifications and international certifications. When you produce a new electrical product, do you think that the battery is a very important part? I think the answer is yes. The battery may affect the performance and safety of electrical appliances. A battery with good quality and high product performance will make users less annoyed when using this product. In this regard, I think you can trust Xuan Li.