Brand: AuthFrank

Features:

• This battery box has XP7 waterproof function, with DC and USB interfaces; it can charge for bike light or to charge mobile phones in emergency situations
• Don't need to spot weld the battery, greatly reduce the battery internal resistance, improve battery discharge performance, thereby effectively improving battery life
• Very suitable for DIY 18650 battery pack, easy to use, can use two or four 18650 lithium batteries
• 3 blue lights show you the power status of the battery: three lights are on (power ≥80%). -Two lights are on (50% ≤ power ≤ 80%). -A lamp is lit and flashing (running time ≤ 30 minutes, the battery needs to be replaced or recharged).
• It has a DC connector input and output voltage of 8.4V, a USB connector output voltage of 5V and a current of 2A, and has the function of charging the mobile phone.

Binding: Electronics

Details: Product specification: Product name: 18650 waterproof battery box DC interface input / output voltage: 8.4V USB interface output: 5V 2A Over discharge protection voltage: 5V Over-current protection voltage: 9V Battery display: 3 blue lights show you the battery power status: Three lights are on (power ≥80%). Two indicators are on (50% ≤ power ≤ 80%). The indicator light is on and flashing (running time ≤ 30 minutes, need to be replaced or recharged). Note: Please place the battery correctly Package includes: 1 * battery box（not include battery）

Package Dimensions: 4.3 x 2.8 x 2.8 inches