
PULUZ DIY Wireless Charger Mobile Power Bank Box with LCD Display, 4 * 21700 Battery Charger Case
Rating
Product Overview
The PULUZ DIY Wireless Charger Mobile Power Bank Box is a versatile kit that allows users to build their own power bank using 4 * 21700 batteries (not included). It features 2 USB output ports, Micro and Type-C input, and wireless charging capabilities. The LCD screen displays battery power, and LED indicators provide usage instructions. It supports temperature loop control, automatic load detection, and comprehensive protection against overvoltage, overcurrent, short circuits, and over-temperature. This DIY kit is suitable for various fast-charging protocols and offers a customizable power solution.
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Product Specifications
Size & Weight
Features
A function that allows charging the portable power bank using sunlight. This is beneficial for outdoor activities like camping or hiking, where access to conventional power outlets may be limited. It offers an environmentally friendly way to replenish the power bank's battery.
This power bank does not support solar charging. Solar charging is beneficial for outdoor activities where access to conventional power outlets is limited. This function is not available, so you will need a power source to charge the batteries.
A function that enables charging both the portable power bank and a connected device simultaneously from a single power source. This is useful when only one power outlet is available, allowing users to efficiently charge both devices overnight or while traveling.
This power bank does not explicitly mention pass-through charging. Pass-through charging allows you to charge both the power bank and your connected devices simultaneously from a single power source. This function is not confirmed.
A function specifically designed for charging low-power devices, such as wireless earbuds, smartwatches, and fitness trackers. This prevents overcharging or damage to these sensitive devices by delivering a stable, low-current power flow.
This power bank does not explicitly mention a low-current charging mode. Low-current charging mode is designed for charging low-power devices, such as wireless earbuds and smartwatches, without overcharging or damaging their sensitive batteries. This function is not confirmed.
A function that provides a precise numerical readout of the remaining battery percentage. This allows users to accurately gauge the power bank's capacity and plan their charging needs accordingly, eliminating guesswork associated with traditional LED indicators.
The LCD screen accurately displays the battery power, allowing you to check the battery power status at any time. This is a useful feature for monitoring the remaining charge and planning your charging needs accordingly. The LCD screen adds to the great features.
A function that includes integrated charging cables (e.g., USB-C, Lightning) directly attached to the power bank. This eliminates the need to carry separate cables, reducing clutter and ensuring compatibility with a variety of devices. It's especially convenient for travel.
This power bank does not have built-in cables. Built-in cables reduce clutter and ensure compatibility with a variety of devices. You will need to carry your own charging cables. This might be slightly less convenient, but it does allow for greater flexibility in cable selection.
A function that allows wirelessly charging compatible smartphones and other devices by simply placing them on the power bank's surface. It offers a convenient, cable-free charging solution, ideal for quick top-ups at home, in the office, or while traveling.
This power bank supports wireless charging, allowing you to charge compatible smartphones and other devices by simply placing them on the power bank's surface. It supports 22.5W+15W wireless charging. This offers a convenient, cable-free charging solution.
SHOPSTAFF Rating Score
This DIY power bank kit offers a customizable and affordable solution for users who want to build their own portable charger. It has some limitations in charging speed and battery capacity compared to higher-end models. It is suitable for users who already have 21700 batteries.
Brand & Manufacturer Details
Key Highlights
- DIY customization
- Affordable price
- Wireless charging capability
Considerations
- Pay attention to battery polarity
- Use only compatible 21700 batteries
- Avoid overcharging and extreme temperatures
Recommended For
- DIY enthusiasts
- Users with existing 21700 batteries
- Users needing a basic portable charger
Not Recommended For
- Users needing a ready-to-use power bank
- Users requiring very high capacity
- Those unfamiliar with electronics assembly
Suitable For
- Customizing a power solution
- Charging phones and small devices
- Assembling a backup power source
Not Suitable For
- High-demand charging scenarios
- Situations requiring maximum reliability
- When immediate power is needed without assembly
Frequently Asked Questions (FAQ)
Q.I'm looking for a power bank that I can customize. Is this a good option?
Q.Will this charge my phone quickly?
Q.How can I check the battery level?
Q.Is this power bank safe to use?
Q.Can I use different types of batteries with this?
Q.Is it easy to assemble?
Q.What kind of ports does it have?
Q.How durable is this power bank?
SHOPSTAFF Rating Ranking
20,000mAh power bank with foldable plug, built-in Type-C cable, and USB-C/USB-A ports for fast charging.
Battery Capacity | 20000 mAh | Output Ports | 2 count |
Input Ports | 1 count | Output Voltage | 20 V |
Output Current | 3.25 A | Charging Time | – hours |
Weight | 5.6 g | Size | – mm |
Supported Protocols | PD | Pass-Through Charging | – |
BoxWave
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$149.95(incl. tax)Amazon price as of 2025-09-29
Portable power bank compatible with Netgear Nighthawk MR1100. High capacity with 65W Power Delivery.
Battery Capacity | 30000 mAh | Output Ports | 2 count |
Input Ports | - count | Output Voltage | - V |
Output Current | - A | Charging Time | - hours |
Weight | - g | Size | - mm |
Supported Protocols | PD | Pass-Through Charging | - |
Solar power bank for CuddeLink & Tracks cameras, featuring a built-in NiMH battery and Genius Mount Kit.
Battery Capacity | 1800 mAh | Output Ports | - count |
Input Ports | - count | Output Voltage | 7.2 V |
Output Current | - A | Charging Time | - hours |
Weight | - g | Size | 6.25” x 5.75” x 1.6” mm |
Supported Protocols | - | Pass-Through Charging | - |
PULUZ
DIY Wireless Charger Mobile Power Bank Box with LCD Display, 4 * 21700 Battery Charger Case
$23.99(incl. tax)Amazon price as of 2025-09-29
DIY power bank case with wireless charging and LCD. Requires 4 * 21700 batteries. Compact, functional, and affordable.
Battery Capacity | - mAh | Output Ports | 2 count |
Input Ports | 2 count | Output Voltage | 5 Volts V |
Output Current | 5 Amps A | Charging Time | - hours |
Weight | 119 g | Size | 140 x 90 x 30 mm |
Supported Protocols | - | Pass-Through Charging | - |
16000mAh solar power bank with wireless charging, PD, USB-A, and LED flashlight. Rugged design for outdoor use.
Battery Capacity | 16000 mAh | Output Ports | 2 count |
Input Ports | 1 count | Output Voltage | 5V/9V/12 V |
Output Current | 3 A | Charging Time | - hours |
Weight | 467 g | Size | - mm |
Supported Protocols | PD | Pass-Through Charging | - |