ZMI Powerpack 20000

Macworld (USA) - - Mac User -

in­cludes two USB Type-a jacks as well. Each of them can charge from 5V at 2.4A (12W), 9V at 2A (18W), and 12V at 1.5A (18W), but the two to­gether share a max­i­mum 18W out­put.

The Powerpack 20000 in­cludes a USB-C power ca­ble that han­dled charg­ing the Macbook and recharg­ing the in­ter­nal bat­tery pack. ZMI also in­cludes a nifty USB

Type A to USB-C/USB Mi­cro-b—it’s a sin­gle ca­ble in which the

USB-C plug end is re­ally an adapter with a plas­tic tether you can re­move, re­veal­ing Mi­cro-b for charg­ing nonAp­ple smart­phones and other de­vices. The bat­tery mea­sures 6.3 by 3.2 by 0.8 inches and weights just over 14 ounces. The com­pany of­fers an 18-month war­ranty.

The only quirk of the bat­tery is that its sole but­ton, when pressed, in­ter­rupts charg­ing for a frac­tion of a se­cond to check its in­ter­nal

PROS

• Charges USB-C de­vices at up to 40W.

• Con­tin­ues to charge while Mac is in ac­tive use.

• Recharges at up to 45W.

• In­cludes combo USB-C/ Mi­cro-b to Type A ca­ble.

CONS

• Doesn’t in­clude high-wattage charger.

PRICE

$79.95

COM­PANY

ZMI sta­tus. It’s not a big deal, but it’s a lit­tle odd, and some­thing I haven’t seen with other bat­tery packs. The bat­tery can be switched into a USB hub mode by dou­ble-press­ing the sta­tuscheck but­ton, which changes a sta­tus in­di­ca­tor LED to blue.

BOT­TOM LINE

Fast, com­pact, well-de­signed, and a good bar­gain, the Powerpack 2000 bat­tery is on top of the pack. It’s a great bat­tery for on-the-road use. ■

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