High Efficiency Charging: Delivers a stable 5V supply, promoting swift and efficient charging for lithium-ion batteries.<br> Inbuilt Safety Measures: Features multiple protection mechanisms, including over discharge protection,overcurrent protection,ensuring safety and longevity of your battery.<br> Application Versatility: Ideal for DIY battery projects in mobile devices, solar power systems, and portable electronics, providing a reliable power management solution.<br> 20 pieces of the TP4056 charging board module, offering great value for makers and hobbyists.<br> Interface:TYPE-C<br> Voltage:5V<br> Charging cut-off voltage:4.2V ± 1%<br> High charging current:1000mA<br> Battery over discharge protection voltage:2.5V<br> Battery overcurrent protection current:3A<br> Board size:2.8x1.7CM<br> Due to different batches, there may be differences in product printed text, which will not affect use.<br> Colour:Blue<br> Material:PCB<br> Package Contents:<br> 20 * charging board module<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.