5V to 21V Boost Cable USB Charging Cord for 21V Battery DC Adapter
5V to 21V Boost Cable USB Charging Cord for 21V Battery DC Adapter
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Power Up Your 21V Battery with USB Convenience
This 5V to 21V boost cable lets you charge compatible 21V battery packs directly from a standard USB port. Perfect for power tools and other 21V DC devices.
- Converts 5V USB output to 21V DC for efficient charging
- Simple plug-and-play design – no extra power supply needed
- Works with 21V batteries that use a DC charging interface
- Built with durable materials for long-lasting reliability
- Compact and portable – great for home, workshop, or travel
- Designed for power tools, electric bikes, and similar devices
Note: Please verify your battery's DC port matches this connector before ordering. Upgrade your charging setup with this handy boost cable!
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Very useful backup power supply for small loads. It gives 21.6v (no load).
delivers 20v from 5v usb. excellent for charging drill battery.
delivers 20v from 5v usb. excellent for charging drill battery.
Przejściówka działa, ładuje ze zwykłej ładowarku USB . pobiera 1A 5V , ładuje akumulator 200-250 mA i jest w stanie podładować baterie do 21V . dokładnie zmierzone 20,88V. ładuje wolno ale skutecznie
You can charge the battery with very stable output.
You can charge the battery with very stable output.