Charging current: Max 1A@5V Output current: Instant Discharge 3.5A@5.1V, Continuous Discharge 2.5A@5.1V (PS: Please use good quality batteries and power adapters to ensure that the UPS works normally) Battery measurement: Percentage of battery SOC, an error ±2%, The measurement errors of battery voltages ± 3mV (PS: The measurement error varies with the individual battery and the ambient temperature) Download link of the manual: https://www.adrive.com/public/rZ73mX/Instructions%20for%20UPS-18650-Lite.pdf Package list : 1 x UPS 18650 Lite *) tidak termasuk Li Battery direkomendasikan battery type 18650 kapasitas 3400mAh