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8 or 16 devices (Putnam 8 / Putnam 16), up to 18W per port
Works with
USB-C iPad, tablet and Chromebook devices, with or without cases
Good for
Numbered slots so missing devices are easy to spot
Facts checked
6 November 2026
What the maker says
LocknCharge says each port delivers up to 18W of USB Power Delivery through a pre-installed cable, with external charging status lights and numbered slots. It locks with an integrated combination padlock, and each port has protection circuitry that turns the port off if it gets too hot.
Before you buy: Check the exact model, connector and lock slot of your devices against the maker’s own compatibility list before you buy. Listings on Amazon.co.uk may be for a different version.
Product details change and differ between versions and sellers. Always check the maker’s page or the listing before you buy. We haven’t tested this product; the facts above are what the maker states. This page is part of an independent guide and is not connected to the maker.
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