Comprehensive Guide to Battery Charger with Power Bank Features

A battery charger with power bank features is a versatile device that not only charges your devices but also serves as a portable power source. These chargers come with a range of advanced features, making them an essential accessory for modern-day gadget enthusiasts. In this comprehensive guide, we’ll delve into the key specifications and functionalities of these remarkable devices, providing you with a detailed understanding of their capabilities.

Capacity: Powering Your Devices for Extended Periods

The capacity of a battery charger with power bank features is a crucial factor to consider. Typically, these chargers range from 10,000mAh to 20,000mAh or more, with some high-end models offering even greater capacities. For instance, the Vigilant Volt Forensic Data Preserving Power Bank boasts an impressive 12,800mAh capacity, allowing you to charge your devices multiple times before needing to recharge the power bank itself.

Output: Versatile Charging Options

battery charger with power bank features

The output of a battery charger with power bank features can vary, but a common configuration is 5V/2A or 5V/3A. This means that the charger can deliver a maximum of 2 or 3 amps of current at 5 volts, respectively. The Vigilant Volt Forensic Data Preserving Power Bank, for example, offers an output of 5V/2A and a maximum of 3A, ensuring fast and efficient charging for your devices.

Input: Flexible Charging Options

The input of a battery charger with power bank features can be through a MicroUSB or USB-C port, with the input voltage ranging from 5V to 6V. The Vigilant Volt Forensic Data Preserving Power Bank, for instance, has a MicroUSB input of 5-6V/2A and a USB-C input of 5V/2A, providing you with multiple options for recharging the power bank.

Protection: Safeguarding Your Devices

Battery chargers with power bank features often come equipped with various protection features to ensure the safety of your devices. These include protection against short circuit, overcharge, overdischarge, over-temperature, and under-temperature. The Vigilant Volt Forensic Data Preserving Power Bank, for example, has protection against short circuit, overcharge, overdischarge, over-temperature (45°C input cutoff, 60°C output cutoff), and under-temperature (0°C input cutoff, -15°C output cutoff).

Size and Weight: Portability and Convenience

The size and weight of a battery charger with power bank features can vary, depending on the manufacturer and the specific model. The Vigilant Volt Forensic Data Preserving Power Bank, for instance, has a compact size of 4.5″ L x 3.1″ W x 1″ H and a weight of 9.6oz, making it a portable and convenient option for on-the-go charging.

Testing and Certifications: Ensuring Quality and Safety

Battery chargers with power bank features often undergo various testing and certifications to ensure their quality and safety. Common certifications include UN 38.3, IEC 62133, CE, and FCC. The Vigilant Volt Forensic Data Preserving Power Bank, for example, has all of these certifications, providing users with the assurance of a reliable and safe charging solution.

DIY Battery Charger with Power Bank Features

For those interested in creating a DIY battery charger with power bank features, an Arduino board and a lithium-ion battery cell can be a great starting point. The Arduino board can be used to monitor the battery level and control the charging and discharging of the battery.

To read the battery level, you can use four light sensors on the indicator LEDs or check the data sheet that comes with the power bank for a ready interface over the USB. If the manufacturer offers a ready interface over the USB, you can use it to read the battery level programmatically. If not, you may need to remove the cover and connect to the right pins.

To create a DIY charging controller that provides a communication method of various stats via USB, you can use an Atmel processor with open-source firmware compatible with the Arduino environment. This can potentially make you rich quickly if the product becomes popular.

Remember to follow the necessary safety precautions when working with lithium-ion batteries and always prioritize the protection of your devices and personal safety.

References:
Reddit Thread on Power Bank with Non-Interrupted Charging
Arduino Forum Thread on Hacking Power Bank to Get Remaining Charge
MOS Equipment Power Bank Product Page
Arduino Forum Thread on Hacking Power Bank Using Data Pins
Wyze Forum Thread on Power Bank with Pass-Through Charging and Always-On Features