Naztech 4000mAh USB-C + USB Power Bank
Naztech 4000mAh USB-C + USB Power BankGo anywhere with power! The USB-C + USB Portable Battery extends your talk, music, and gaming experiences by up... Read More
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Naztech 4000mAh USB-C + USB Power BankGo anywhere with power! The USB-C + USB Portable Battery extends your talk, music, and gaming experiences by up to 13 hours at home or on the go! This high-capacity 4,000mAh battery can charge two devices at once through powerful dual outputs-- a USB-C in/output and a USB output with up to 15 watts of pure power. Seamlessly dock into the Ultimate Charging Station Pro for integrated fast charging and recharging while at home and remove when you need power on the go. With rapid recharge, get back to full in just 2 hours, so your devices stay powered up! Revolutionize your charging routine indoors and on the go!Special Features:o 13HRS Extra Battery Lifeo Universal Device Compatibilityo Charge 2 Devices at Onceo 15W USB-C Outputo 10W USB Outputo 2HRS Rapid Rechargeo LED Battery Indicatoro Ultra-Slim & Lightweighto World-Class Safety FeaturesSpecifications:o Battery Type: Li-Polymero Battery Capacity: 4,000mAho Max Output: 5V/3A (15W Max)o USB-C Output: 5V/3A (15W Max)o USB Output: 5V/2A (10W Max)o USB-C Input: 5V/2A (10W Max)o Protection: Short Circuit/Overchargeo 3.7 x 1.7 x 0.7 in. | 4 ozo Limited Two Year WarrantyPackage Contents:o Portable Batteryo USB-C to USB-C Charging CableCompatibility:AppleiPhone 8 ,iPhone 8 Plus ,iPhone X ,iPhone XR ,iPhone XS ,iPhone XS Max ,iPhone 11 Pro ,iPhone 11 Pro Max ,iPhone 11 ,iPhone SE (2020) ,iPhone 12 mini ,iPhone 12 Pro ,iPhone 12 Pro Max ,iPhone 13 mini ,iPhone 13 ,iPhone 13 Pro ,iPhone 13 Pro Max ,iPad Pro 5 ,iPad Air 4 ,iPad 9 ,iPad Mini 6 ,iPhone SE 3 GooglePixel 2 XL ,Pixel 3 ,Pixel 3 XL ,Pixel 4 XL ,Pixel 5 ,Pixel 4A 5G SamsungGalaxy S10e ,Galaxy S10 ,Galaxy Fold ,Galaxy Note10 ,Galaxy Note10+ ,Galaxy S20 ,Galaxy S20 Plus ,Galaxy S20 Ultra ,Galaxy Note20 5G ,Galaxy Note20 Ultra 5G , Galaxy S21 5G , Galaxy S21 Plus 5G , Galaxy S21 Ultra 5G ,Galaxy Z Flip3 5G ,Galaxy Z Fold3 5G ,Galaxy S22 ,Galaxy S22 Plus ,Galaxy S22 Ultra
Frequently Asked Questions
Whether you're shopping for a high-performance wireless battery pack or need help understanding your order, we're here to assist. Below you'll find answers to the most common questions.
Product & Warranty
Do you sell OEM batteries?
No. We offer premium aftermarket batteries engineered to be fully compatible with OEM equipment. Each product is tested for safety, reliability, and performance.
Will using a third-party battery void my device warranty?
Absolutely not. Under the Magnuson-Moss Warranty Act (U.S. law), using aftermarket parts like ours will not void your warranty unless proven to cause damage.
What kind of warranty do you offer?
All ElektroEdge batteries include a 12-month limited warranty, covering manufacturing defects under normal use.
Do you have a money-back guarantee?
Yes. We offer a 30-Day Money Back Guarantee. If you’re not satisfied with your purchase, you can return it within 30 days of delivery for a full refund (conditions apply).
Shipping & Returns
When will my order ship?
Orders typically ship within 2–5 business days, depending on stock and Hazmat regulations.
How long does shipping take?
Standard U.S. delivery takes 2–9 business days.
How do I track my order?
Once your order ships, you’ll receive an email with tracking information. Hazmat items shipped via USPS may have a tracking delay of 2–4 days.
Can I cancel my order?
Yes—orders can be canceled before they ship for a full refund. If already shipped, please use our return process.
How are Li-Ion and Li-Polymer batteries shipped?
Due to Hazmat restrictions, these are shipped via ground only. Air shipping is required for orders to Alaska and Hawaii.
Do you ship internationally?
Yes. We ship internationally, including to Canada via UPS Ground. Please note: international buyers are responsible for duties, taxes, and brokerage fees.
Battery Care & Maintenance
How do I extend battery life?
- Fully charge and discharge new batteries 2–3 times
- Condition NiMH/NiCd batteries monthly
- Store batteries in a cool, dry environment
- Clean contacts regularly with a dry cloth
How long will my battery last?
Typically 1.5 to 3 years, depending on usage and conditions.
What are battery connection types?
- Series: Increases voltage
- Parallel: Increases capacity (Ah)
Battery Knowledge
What's the difference between NiMH, NiCd, and Li-Ion?
- NiMH: High capacity, no memory effect, eco-friendly
- NiCd: Prone to memory effect, contains toxic metals
- Li-Ion: Lightweight, no memory effect, widely used today
What is the "Memory Effect"?
This affects NiCd batteries, reducing capacity over time when not fully charged or discharged.
What does battery capacity mean?
It refers to how much energy a battery stores, measured in mAh (Milliamp-hours) or Ah (Amp-hours).
What is battery chemistry?
It describes the chemical composition that powers the battery—e.g., Li-Ion, NiMH, or NiCd.
What is voltage?
Voltage is the electrical pressure that powers your device. Using the correct voltage is crucial to safety and performance.
Charging & Usage
What's the difference between a Rapid and Trickle Charger?
- Rapid Charger: Charges up to 80% in 1–2 hours
- Trickle Charger: Slower (10–12 hours), ideal for overnight charging
How should I charge my battery?
Use an automatic charger. Insert the battery, wait for the red (charging) light to turn green (fully charged). The charger then enters maintenance mode.
What is a battery cycle?
One full charge + discharge = 1 cycle. Most batteries are rated for a specific number of cycles (e.g., 300–500).
Smart Batteries & Chargers
What are Smart Batteries?
These batteries communicate with smart chargers to display real-time data on performance and health.
What are Smart Chargers?
They go beyond charging—displaying battery health, adaptive reconditioning, and maintenance alerts.
What’s the difference between standard and smart chargers?
- Standard Rapid Chargers: Fast but basic—no diagnostics
- Smart Chargers: Feature LCD displays and monitor battery condition and lifespan
What is an Intrinsically Safe (IS) battery?
IS batteries are designed for use in hazardous environments—safe to use around flammable gases or dust.
Still Have Questions?
We’re here to help. Contact us:
Phone: +1 (302) 303-9904
Email: service@elektroedge.com
Address: 600 N Broad Street, Suite 5 #3496, Middletown, DE 19709, United States
Support Hours: Monday – Friday | 9:00 AM – 5:00 PM EST
ElektroEdge.com – Your Trusted Partner in Power


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