USB KeepAlive SMD - Pre-assembled Power Bank Adapter
Available with a lead time
Expect dispatch between Dec 30 and Jan 06
The USB KeepAlive SMD adapter solves a common challenge in electronics projects - keeping power banks from automatically shutting off when powering low-current devices. This pre-assembled solution maintains consistent power delivery for microcontrollers, development boards, and other USB-powered projects that draw minimal current.
Also available as a kit.
Key Features
- Pre-assembled SMD design for compact form factor
- 555 timer-based pulse circuit maintains power bank connection
- Transparent data line pass-through for unaffected device communication
- Plug-and-play operation - no configuration needed
- Compatible with standard USB Type-A connections
- Optional 3D printable snap-together case available
Technical Specifications
- Pulse Current: ~100mA
- Standby Current Draw: ~10mA
- Input: USB Type-A Male
- Output: USB Type-A Female
- Operating Mode: 50% duty cycle pulse
How to Use
Installation is straightforward with a plug-and-play design:
- Connect the KeepAlive adapter's male USB end to your USB C Power Delivery Battery Bank 10000mAh or preferred power source
- Plug your low-current device into the female USB port of the adapter
- The adapter will automatically maintain the power connection by sending periodic current pulses
- For added protection, consider using the available 3D printable case design
What's in the Box
- 1x Pre-assembled USB KeepAlive SMD adapter
Compatibility
The KeepAlive adapter is extensively tested with ANSMANN power banks and designed to work with most standard power banks. While performance may vary between different power bank models, it's particularly effective when paired with:
- Raspberry Pi Pico and other microcontrollers
- IoT development boards
- Low-power USB devices like AirPods
- Environmental monitoring sensors
- Data logging equipment
Additional Resources
- KeepAlive (SMD) Documentation
- Troubleshooting Guide
- Thingiverse 3D Printed Case Design
- Eplop Discord Community
About Eplop
Designed by Colin Hickey, the KeepAlive adapter represents Eplop's commitment to solving practical challenges in electronics projects. Their innovative approach combines efficient circuit design with user-friendly implementation, making advanced power management solutions accessible to everyone from educational institutions to professional prototyping environments.
This product is listed in:
Makerverse>Power ManagementPower & Batteries>USB Battery Packs
Raspberry Pi>Pico>Accessories
Exact shipping can be calculated on the view cart page (no login required).
Products that weigh more than 0.5 KG may cost more than what's shown (for example, test equipment, machines, >500mL liquids, etc).
We deliver Australia-wide with these options (depends on the final destination - you can get a quote on the view cart page):
- $3+ for Stamped Mail (typically 10+ business days, not tracked, only available on selected small items)
- $7+ for Standard Post (typically 6+ business days, tracked)
- $11+ for Express Post (typically 2+ business days, tracked)
- Pickup - Free! Only available to customers who live in the Newcastle region (must order online and only pickup after we email to notify you the order is ready). Orders placed after 2PM may not be ready until the following business day.
Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.
Some batteries (such as LiPo) can't be shipped by Air. During checkout, Express Post and International Methods will not be an option if you have that type of battery in your shopping cart.
International Orders - the following rates are for New Zealand and will vary for other countries:
- $12+ for Pack and Track (3+ days, tracked)
- $16+ for Express International (2-5 days, tracked)
If you order lots of gear, the postage amount will increase based on the weight of your order.
Our physical address (here's a PDF which includes other key business details):
Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia
Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.
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