Dual Voltage 5V 7.4V Power Bank 20000mAh 22.5W Fast Charging LED Display DC USB Type-C Output Lithium Polymer Portable Charger for Smartphones Tablets Heated Clothing Devices

Dual Voltage 5V/7.4V Power Bank 20000mAh – Versatile Fast Charging for Every Device

Meet the most versatile power bank in your arsenal. The Smart Tech Nest 20000mAh Dual Voltage Power Bank delivers both 5V and 7.4V DC output — making it uniquely capable of powering not just smartphones and tablets, but also 7.4V heated clothing such as heated vests, jackets, and gloves. With 22.5W fast charging, a clear LED power display, and multiple output options (DC, USB, and Type-C), this lithium polymer battery pack is engineered for users who demand more from their portable charger.

Why This Power Bank Is Different

• ⚡ Dual Voltage Output: 5V & 7.4V DC – Powers both standard USB devices and 7.4V heated clothing — a rare and highly practical feature
• 🔋 20000mAh High Capacity – Charges most smartphones 4–6 times; keeps heated gear and tablets running for extended periods
• ⚡ 22.5W Fast Charging – Rapidly tops up your devices so you're always ready to go
• 📊 LED Power Display – Clear digital readout shows remaining battery level at a glance
• 🔌 Triple Output: DC + USB + Type-C – Charge multiple devices simultaneously with the right connector for every device
• 🔋 Lithium Polymer Battery – Premium LiPo cells for lighter weight, higher energy density, and improved safety
• 📱 Universal Device Compatibility – Works with iPhones, Android phones, Samsung devices, tablets, earbuds, and 7.4V heated apparel
• 🪶 Compact & Portable – Slim, lightweight design fits easily in pockets, bags, and backpacks

Specifications

Frequently Asked Questions

Q: Who is this power bank best suited for?
A: Ideal for outdoor enthusiasts, hunters, skiers, construction workers, and anyone who uses 7.4V heated clothing alongside standard USB devices.

Q: Can I use this to power my 7.4V heated vest or jacket?
A: Yes! The 7.4V DC output is specifically designed to power 7.4V heated clothing such as vests, jackets, gloves, and scarves.

Q: Is this a good gift?
A: Absolutely — its dual-voltage versatility, fast charging, and premium lithium polymer build make it a standout gift for outdoor workers, winter sports enthusiasts, and travelers.

Q: How do I use the DC output for heated clothing?
A: Connect the DC output cable to your 7.4V heated clothing's power input port, power on the bank, and your heated gear will begin warming immediately.

Q: Can I charge multiple devices at the same time?
A: Yes — the triple output (DC + USB + Type-C) allows you to charge multiple devices simultaneously.

Q: Is this suitable for STEM or electronics projects?
A: Yes! The stable dual-voltage DC output makes it an excellent portable power supply for Arduino, Raspberry Pi, and STEM applications requiring 5V or 7.4V power.

Fast US Shipping

Ships from US warehouse, free delivery 2-7 business days.