5PCS DC 3.7-4.2V Power Display Module 1S Ternary Li-ion Battery Power Indicator
2,83 €
Step up module. Adapter Module. This product is designed for lithium batteries, using high-precision chip, ultra-small size. Step down module. Display module. Wide compatibility: applicable to a variety of 3.7V lithium batteries, including 18650, 21700 and other models.
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