Dual USB Power Bank Module 5V 2.1A – DIY Battery Charger Board with LED Display
₨ 220
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Dual USB Output: Charge two devices simultaneously with dedicated $1\text{A}$ and $2.1\text{A}$ ports for standard and fast-speed charging.
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Smart LED Digital Display: Real-time battery percentage monitoring (0–100%) so you’re never caught with a dead battery.
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Dual Input Options: Supports both USB Type-C and Micro-USB charging cables for maximum compatibility.
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Compact & Durable: Slim PCB design ($T=1.0\text{mm}$) makes it easy to fit into 3D-printed cases or small enclosures.
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Advanced Safety Protection: Built-in overcharge, over-discharge, and short-circuit protection to keep your batteries and devices safe.
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Easy DIY Setup: Clearly marked B+ and B- soldering points for quick connection to 3.7V lithium battery cells.
Upgrade your DIY electronics projects with this high-efficiency Dual USB Power Bank Module. Designed for hobbyists and repair technicians alike, this board allows you to transform standard 3.7V Lithium-ion (18650) or Li-Po batteries into a fully functional portable charger.
Featuring a crisp digital LED display, you’ll always know exactly how much “juice” is left in your power bank. With both Micro-USB and Type-C input options, recharging your DIY battery pack is more convenient than ever. Whether you are repairing an old power bank or building a custom high-capacity portable station, this module provides the safety and performance you need.
FeatureDetailsInput PortMicro-USB / Type-C (5V)
Output Port2x USB-A ($5\text{V} / 1\text{A}$ & $5\text{V} / 2.1\text{A}$)
Battery Type3.7V Lithium-ion / Li-Po (18650 preferred)
Board SizeStandard Power Bank Slim Profile
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