Product Overview
This portable charger with built-in cables combines high-capacity power with smart convenience, designed for users who demand reliable charging on the go. With a 10000mAh capacity and support for up to 22.5W fast charging, it efficiently powers smartphones, iPhones, Android devices, and tablets—delivering enough juice to recharge an iPhone 13 or Samsung Galaxy S22 multiple times. The inclusion of two integrated cables—one Lightning cable for iPhones and one USB-C cable compatible with Android phones—eliminates the need for carrying extra cords or adapters, making it ideal for travel, business trips, daily commutes, and outdoor adventures like camping or hiking.
Key Features
- PD 22.5W Fast Charging: Powered by advanced Power Delivery (PD) and Quick Charge (QC) technologies, this power bank delivers blazing-fast charging speeds. The USB-C port supports 22.5W output, enabling rapid charging for modern smartphones and tablets. The dedicated USB-C input/output port provides 20W bidirectional charging, while the USB-A port offers 18W output, and the built-in iPhone cable delivers 12W—ensuring compatibility and speed across a wide range of devices.
- Safety First Design: Equipped with a high-quality smart chip that actively monitors voltage, current, and temperature to prevent overcharging, over-voltage, over-current, and short circuits. Additionally, the use of graphene-based temperature control technology reduces heat generation by up to 20% compared to standard power banks during extended charging sessions. This not only enhances safety but also improves overall performance and battery longevity.
- Bundled Built-In Cables: Unlike conventional power banks, this model comes with both an iPhone (Lightning) cable and a USB-C cable permanently embedded into the device. This means you can charge your iPhone or Android phone directly without needing separate cables, chargers, or dongles—perfect for last-minute trips or when you’ve forgotten your accessories at home.
- 4 Outputs, 2 Inputs: Designed for multi-device households or families on the move, it features four output ports: two built-in cables plus one USB-A and one USB-C port. You can simultaneously charge up to four devices at once. For recharging the power bank itself, it supports dual input options—USB-C and Micro-USB—giving you flexibility in how you replenish its power.
- Intelligent LED Display: A built-in digital LED screen shows the remaining battery level with precise percentage accuracy. Simply press the power button once to check your charge status. Press it twice to turn off the indicator light if you prefer a darker environment. When the power bank is being recharged, the display flashes to show real-time progress, allowing you to monitor energy levels without guesswork.
- Compact & Travel-Friendly: Measuring just 5.9 x 2.7 x 0.72 inches and weighing only 8.4 ounces, it fits easily into backpacks, purses, or jacket pockets. Its slim profile and lightweight construction make it one of the most portable 10000mAh power banks available, without compromising on capacity or performance.
Technical Specifications
- Capacity: 10000mAh
- Maximum Output Power: 22.5W (via USB-C PD)
- USB-C Port: 20W output / 20W input
- USB-A Port: 18W output
- Integrated iPhone Cable: 12W output
- Integrated Type-C Cable: Compatible with most Android devices
- Input Ports: USB-C, Micro-USB
- Output Ports: 2 built-in cables + 1 USB-A + 1 USB-C
- Dimensions: 5.9 x 2.7 x 0.72 inches
- Weight: 8.4 oz
- Color: Pearl White
Benefits & Use Cases
This power bank is engineered for people who live busy lives and can’t afford downtime due to dead batteries. Whether you’re commuting to work, traveling internationally, working remotely from cafes, or exploring nature off-grid, this device ensures your essential gadgets stay powered. The built-in cables mean no more fumbling with misplaced cords or searching for the right adapter—just plug and go. It’s especially useful for families, students, digital nomads, and travelers who frequently use multiple devices. Plus, its airline-approved design complies with aviation regulations, so you can bring it onboard without restrictions. From topping up your smartphone before a meeting to keeping your tablet alive during a long flight, this power bank delivers consistent, reliable performance wherever you are.
Important Notes
The package includes one GrnOas.E 10000mAh Travel Battery Charger with two pre-installed cables (iPhone and USB-C), a user guide, and access to manufacturer support. Please note that actual charging speeds may vary depending on your device’s compatibility, cable quality, and usage patterns. To ensure optimal performance and safety, always use certified or included cables and avoid third-party accessories that may not meet safety standards. The product comes with a 3-year warranty from the manufacturer, reflecting confidence in its durability and reliability.
