Description
This Dual Micro‑USB 3.7 V→5 V 2 A Module is a smart, efficient, and cost-effective solution for makers and DIY enthusiasts. With dual charge inputs, dual outputs, LED battery status, and comprehensive safety protections, it’s a reliable foundation for any homemade power bank. Compact, lightweight, and easy to integrate—just wire, charge, and power your devices.
Key Features:
Dual Micro‑USB Inputs – Charge the attached 18650 cell using any standard 5 V 1 A+ USB charger via two convenient Micro‑USB ports.
Dual USB‑A Outputs – Offers two USB outputs: one at 1 A and the other at up to 2 A for efficient charging of smartphones, tablets, and other USB devices.
4‑Level LED Battery Indicator – Four LEDs display the battery’s charge level. Automatically shuts down when idle to save power.
DUAL MICRO USB MOBILE POWER BANK
High-Efficiency Boost Circuit – Efficiently steps up 3.7 V battery voltage to a steady 5 V output at a maximum of 2 A.
Integrated Protection IC – Guards against over-current, over-voltage, under-voltage, and short-circuit events for safer operation.
Specifications:
Battery Input: 1 × 18650 Li-ion (3.2–4.2 V operating) Input Ports: 2 × Micro‑USB (5 V)
Output Ports: 2 × USB‑A @ 5 V: one at 1 A, one at 2 A
LED Display : 4-level indicators with auto-shutdown
Weight” ~12 g Dimensions: ~68 × 34.5 × 8.5 mm
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