Access battery requirements: 3.3-4.2V polymer battery:
Do not connect other batteries, such as 1.2V 18650 NiMH battery, 3.2V iron lithium battery, all dry batteries, 12V lead acid battery
After the battery is connected, the board will usually be charged and activated to have an output. If the mobile power is not used for a long time, the power will turn off the output and still need to be activated.
Touch software 2.1A parameters:
Input: 5V-2.1A >0.3V Micro USB (2A) Supports 2.1A charger
Output: 5V-2.1A ±0.3V (output USB rated current is 2.1A (adaptive)
Battery indicator: 4-level LED indicator
Battery: Capacity is not limited (the larger the capacity, the longer the charging time, no battery, in-store purchase)
Product size: 70 × 24 × 7.5mm (thickness including components)
Discharge efficiency: >85%
Touch switch: The outer casing must not exceed 3mm thickness, otherwise it can't be sensed. You can't use metal casing.
Touch to turn on the output charge, full auto close.