Energizer - Ultimate 10,400 mAh Portable Charger for Most USB-Enabled Devices - Black
About this product
Charge your smartphone or USB-powered device multiple times with this Energizer 10,000 mAh portable power bank. The three USB charging ports let you charge multiple devices simultaneously for added efficiency, while a protective shell with a rubber finish offers better grip and protection against drops. This Energizer 10,000 mAh portable power bank features an LED indicator to alert you in real-time when the battery level is low.
Capacity
10400 milliampere hoursFeatures
Compatible with most smartphones and devices with USB charging capability
Helps you stay connected on the go.
10,400 mAh lithium-ion battery
Lets you recharge your device, so you can talk, text, and surf longer when you're out and about. Supports up to six extra device charges.
Protective shell with rubberized soft finish
Offers durable protection and prevents slipping or scratching.
Built-in LED light
Enables easy viewing in low-light conditions.
Three USB Type-A output ports
Allow you to charge three devices simultaneously.
LED indicator lights
Provide at-a-glance battery information.
Specifications
- BrandEnergizerModel NumberENG-UB03Product NameUltimate 10,400 mAh Portable Charger for Most USB-Enabled DevicesColorBlackCapacity10400 milliampere hoursBattery ChemistryLithium-ion
Reviews
Rating 4.3 out of 5 stars with 3 reviews
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Compare similar products

Charge your smartphone or USB-powered device multiple times with this Energizer 10,000 mAh portable power bank. The three USB charging ports let you charge multiple devices simultaneously for added efficiency, while a protective shell with a rubber finish offers better grip and protection against drops. This Energizer 10,000 mAh portable power bank features an LED indicator to alert you in real-time when the battery level is low.

The Energizer 10,000mAh SLIM METAL 20W Magnetic Wireless PowerBank is a slim, travel-ready charger that delivers fast and reliable power wherever you go. With 15W wireless charging and 20W total output, it keeps your devices powered quickly and efficiently. Strong magnetic alignment ensures a secure fit for MagSafe-compatible smartphones, keeping your device firmly in place while charging. Its ultra-slim metal body measures just .62 inches thin, making it lightweight and easy to carry. Smart protection prevents overcharging and short circuits, while the LED indicator lets you check battery status instantly. Compatible with smartphones, tablets, earbuds, and more, it includes a USB-C cable for added convenience.

10,000mAh lithium polymer wireless power bank with Qi 1, Qi 2.0 and MagSafe Compatibility. There are four total outputs including wireless charging, 2 built in USB-C PD cables and one USB-C PD output allowing you to charge up to four devices at once. There is also an Apple Watch Charger. Supports up to 15W magnetic wireless charging and 22.5W total output. Includes 1ft USB-C to USB-C cable. Smart Charging Control protects against overcharging and short circuits. OLED Display shows you charging status, charging speed, and time remaining.

Recharge your smartphone while on the go with this Energizer Ultimate dual-port portable power pack. Two USB outputs allow charging multiple devices simultaneously, while an LED battery indicator shows current charge. Featuring a 5200 mAh LiIon battery pack, this Energizer Ultimate dual-port portable power pack provides most phones with up to three extra charges.
| Pros for Energizer - Ultimate 10,400 mAh Portable Charger for Most USB-Enabled Devices - Black | |||
|---|---|---|---|
| There were no pros for this product— | Charging Speed, Portability, Overall Performance, Battery Life, Size | Charging Speed, Overall Performance, Portability, Battery Life, Design | There were no pros for this product— |
| Cons for Energizer - Ultimate 10,400 mAh Portable Charger for Most USB-Enabled Devices - Black | |||
| There were no cons for this product— | Heat Dissipation, Magnetic Strength, Connectivity | Heat Dissipation, Magnetic Strength, Weight | There were no cons for this product— |































































