Features: 【High Performance】 EBL Li-ion batteries with 5400mWh capacity, support stable power, and longer working time for high frequently used devices, such as smoke/fire alarms, wireless microphones, toys, GPS, home security devices, medical devices, etc. 【Quick Charge in 2 Hours】 Advanced iQuick charging technology with DC 5V/1A USB input, the batteries are full charged in 2 hours, save time and more efficient. 【Unique USB Charging Design】 Convenient to charge directly anywhere with the provided 4-in-1 micro USB cable, no additional battery charger needed. The built-in LED light allows you to check the charging status. 【9V Lithium battery】 5400mWh long-lasting Li-ion batteries without memory effect, provide steady voltage until the whole cell is depleted. Note: the standard voltage of all brand’s 9V lithium ion rechargeable battery is 8.2V-8.4V when fully charged. Specifications: Brand : EBL Size : 9V Capacity : 5400mWh(600mAh) Standard charge : 5V/1A Charge Current : 450mA+150mA Discharge Cut off Voltage : 5.8±0.16V Weight of single cell : 26±2g/0.99oz Battery Type : Li-ion Rechargeable : Yes Nominal Voltage : 3.7V Charge Voltage : 5.3V (Max) Discharge Current : 0.2A (Standard); 0.25A (Max) Internal Resistance : ≤280mΩ Dimension of single cell : 48*26*17mm Charging Time: about 2 Hours Charging display: Red light charging, Blue light full charge Operating Temperature Range: Charge: 10℃～45℃ Discharge: -10℃～50 ℃ Package Contents: According to your choice ! On Jan 7, 2025 at 03:11:04 PST, seller added the following information: