<p><strong><span style="font-size:20px">Features:</span></strong> </p><p>1. The product is free of welding, the user can freely disassemble and replace the battery </p><p>2. With DC isovoltage UPS function, realize automatic charge and discharge management without manual participation. </p><p>3. Multi-functional output, covering optical cat, router, surveillance cameras and other commonly used 5V, 9V, 12V three voltages </p><p>4. Strict quality control to ensure long-term stable operation and prolong service life. </p><p>5. Stable product performance, peak output power up to 60W </p><p> </p><p><strong><span style="font-size:20px">Parameter:</span></strong> </p><p>Installable battery capacity: 6 * 3.7V * 3400mah = 74 watt-hours (battery users to provide) </p><p>Rated output power: 12V5A = 60W; the actual output power from the battery itself output power </p><p>Output voltage: independent output 12V3-5A; 9V1A; USB5V2-3A; enable UPS function need to meet the input power conditions </p><p>The product is not voltage stabilized, the batteries are connected in series and output directly, the voltage increases or decreases with the amount of power. </p><p>Suitable for high-power appliances that do not require voltage regulation, electric motors, LED lights, stereos, solenoid valves, printers, etc. </p><p>Applicable batteries: 3.7V cylindrical flat 18650 batteries (recommended power battery) </p><p>Charger type: internal charging current limiting circuit, can be charged with 12-13V adapter, when the UPS is used, the greater the input power the more stable </p><p>Charging power: input adapter power to meet &gt;= total load power + battery charging power 6W </p><p>Overcharge protection: 4.25V*3 </p><p>Low voltage protection: 2.75V*3 </p><p>Overcurrent detection voltage: 0.1V+-0.025V </p><p>Temperature range: -20~60°C </p><p>DC interface standard: DC5.5*2.1mm (inside positive and outside negative) </p><p> </p><p><strong><span style="font-size:20px">Precautions:</span></strong> </p><p>1. Spring to the negative pole, copper to the positive pole, do not install the reverse, install the reverse will burn! </p><p>2. The use of high-quality batteries and require strict pairing, composed of battery packs of each individual battery should be the same parameters as far as possible! </p><p>3.This product can only use flat 18650 batteries, pointed batteries longer than 2MM, can not be used! </p><p> </p><p><strong><span style="font-size:20px">Package include:</span></strong> </p><p>Welding-free battery box * 1 </p><p>0.3 meters line *1</p><p></p><br/>