Description: 1. Battery One button activation 2. Real-time current/voltage monitoring 3. Can be used as an externally connected pointer table interface 4. Intelligent detection battery 5. Charge / output multiple interfaces 6. 4.2V regulated output 7. Latest 13 series support 8. Screen display: LED digital display 9. Support Model: 5G/5S/6/6 Plus/7/7 Plus/8/8 Plus/X/XS/XS Max/XR/11/11 Pro/11Pro Max/12/12 Mini/12 Pro/12 Pro Max/13/13 mini/13 Pro/13 Pro Max/Android models up to 400+ Features: Adopts quality soldering crafts, wear-resistant design of the back plate, makes the product is more solid and firm, with fine durability and can provide long service time. 4.2V regulated output, overload and overvoltage protections, more effective protect batteries. LED display, accurately monitor the real-time output voltage and current values of the activation board, and measure the empty/load voltage of USB powered devices. Automatic identification positive and negative anode’s function, different manufacturers have different positive and negative poles, so that the power supply’s is opposite, intelligent recognition makes use more safer. Multiple interfaces design, with Type-C/USB/Alligator clip three interfaces, you can use according to demand. Reserves with pointer table interface, it can be externally connected to pointer meter. One-click activation, click the activation button to activate, and switch to automatic quick recharge after activation. Equipped with automatic power-off function, when the battery is fully recharged it will automatically power off, and the blue indicator is off too. High compatibility, compatible with android system, suitable for most mainstream smartphone model on the market Specifications: Name: Battery Activation Detection Board Model: BA27 Material: printed circuit board Voltage: 4.2-4.5V Display: LED Item size: 140 * 60 * 10mm / 5.51 * 2.36 * 0.39in Item weight: 47g / 1.66ounce Package size: 167 * 82 * 18mm / 6.57 * 3.23 * 0.71in Package weight: 75g / 2.65ounce