DC-DC Boost Module with microUSB Input, Charging Function for Li-Ion Batteries and USB Outputs

Technical specifications

• Input: microUSB 5 V, 1A sau baterie 18650
• Output: 2x USB 5V 1 A/2 A
• Conversion rate: 85%
• LED lighting (press and hold 2~3 seconds or press twice the power button)
• Protection at overcharge, overdischarge, short circuit, overtemperature and overcurrent
• Intelligent output, after the device is fully charged, automatically stop charging to prevent overshoot of the mobile phone
• Stable voltage and current
• Working temperature: -20 ~ +50 ^oC

4-level LED light shows power, non-working status, intelligent automatic shutdown.

When charging

• 0~25%, one LED shining
• 25~50%, one LED shining, one LED flashes
• 50~75%, two LEDs constant light, one LED flashes
• 75~100%, three LEDs  constant light and one LED shines
• 100% all four LEDs constant light

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