21000mAh Power Bank Charging Circuit Board for Smart Phone & DIY Cheap Rate
৳ 59.00
21000mAh Power Bank Charging Circuit Board for Smart Phone & Electronics Li-ion Battery Work.
Product Introduction
- Apply Battery Type:18650 battery (not include)
- Output Voltage:5V/2.1A
- Input Voltage:3.2V-5V
- Circuit height: approx 62mm
- Circuit width: approx 13mm
- Weight: approx 2.8g
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