UPS-Lite is a UPS power supply specially designed for Zero. The board integrates fuel gauge chip (MAX17040G),a piece1000mAh The use of thimble installation , simple and generous. The actual test standby time is up to 6 hours (test condition: zero wTurn on and print out the power parameters 2 seconds). Charging current: 400mA Output voltage: 5V 0.1V Output current: 1.3A@5V (Without external adapter, only battery powered) 2A@5V (When inserting external adapter) Electricity measurement accuracy: error2% 1000mAh Battery include size:65 x 24mm :plastic colour:black Package Contents: 1 x UPS Lite with 1000mAh battery Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.