Product Name: Minus 40 Degrees, Low Temperature Lithium Battery 18650 12V 4400mAh Model NO.: 18650/4S2P/14.8V/4400mAh Electrolyte: Li-ion Usage: Low Temperature Lithium Battery Standard Voltage: 8.4V?12V Rated Capacity: >1000MAH Accessories Type: Battery Size: Large Discharge Rate: Medium Discharge Rate Rechargeable: Chargeable Connection Mode: Parallel Connection Type: Lithium-Ion Battery Pack Nominal Capacity: 4.4ah Charging Current: 1A Discharge Curren: 3A Battery Internal Resistance: <150m?; Battery Weight: 1.5kg Charging Voltage: 12.6V Discharge Protection Voltage: 9V Storage Temperature: 0--45 Operating Temperature: -20--50 Lithium Battery Protection: Overcharge Protection, Overdischarge Protection, S Trademark: XinChen Transport Package: Plastic Tray with Carton Specification: 120*100*60mm Origin: Guangdong, China Product Description Battery name:Minus 40 degrees, low temperature lithium battery 18650 12V 4400mAhBattery model:18650/4S2P/14.8V/4400mAhNominalcapacity:4.4AhInternal resistance:≤200mΩ battery voltage:12Vrecharging current:≤1ADischarge current:3A Charging temperature:-20ºC~50º Discharge temperature:-20ºC~55ºC Battery weight:1.5kgstorage temperature:-0ºC~45ºC output method:25.2V biggest size:120*100*60mm Discharge cut-off voltage:9V Instant discharge maximum current:5A Lithium battery protection:Short circuit protection, overcharge protection,Over discharge protection, over current protection,Temperature protectionCharging voltage protection:Customized according to customer needsApplication areas:Minus 40 degrees, low temperature lithium battery Shenzhen Xinchen Industrial Co., Ltd. Professional lithium battery manufacturers, can customize various types of lithium batteries according to customer requirements, Quality assurance, delivery on time. As lithium batteries have awide range of applications and many size specifications, please contact customer service to explain the battery requirements, such as: size specifications, capacity requirements, outlet requirements, whether with communication functions, use rate, temperature, delivery time, etc.Note:Free Design ProofingDanger warning:1. It is forbidden to immerse the battery in seawater or water. When it is not used, it should be placed in acool and dry environment.2. It is strictly prohibited to use the battery upside down3. It is strictly prohibited to directly connect the battery to the power socket.4. It is forbidden to use, leave or throw the battery beside hot high temperature sources (such as fire, heater).5. It is forbidden to directly connect the positive and negative poles of the battery with metal. Short circuit is forbidden at any time, it will cause serious damage to the battery.6. It is forbidden to transport or store the battery with metal, such as hair clips, necklaces, etc.7. Don't knock or throw, step on the battery, etc.8. Prohibition of mixing with liquid lithium ion or different types of polymer lithium batteries9. It is forbidden to bend the top edge, open or destroy the edge, and it is forbidden to guide the bottom of the cell edge.10. Do not drop, impact, or bend the battery11. Prohibit the use of damaged batteries12. It is forbidden to use or place the battery under high temperature (in direct sunlight or in ahot car), otherwise it may cause the battery to overheat, catch fire or malfunction, and shorten the life.13. It is forbidden to use in places with strong static electricity and strong magnetic fields, otherwise it is easy to damage the battery safety protection device and bring unsafe hidden dangers.14. The battery case design and packaging are forbidden to damage the battery, and the battery cell must not be disassembled under any circumstances.15. If the battery leaks and the electrolyte enters the eyes, please do not rub it. Rinse the eyes with clean water and send it to the doctor for treatment immediately, otherwise it will hurt the eyes16. If the battery emits abnormal odor, heat, discoloration, deformation or use, storage, or any abnormalities during charging, immediately remove the battery from the device or charger and disable it.17. If the battery is dirty, wipe it with adry cloth before use, otherwise it may cause poor contact function failure18. The batteries should be wrapped with insulated paper to prevent fire and explosion.