Tanga offers the Lenmar ChugPlug External Power-Supply Pack for MacBook Air or Pro for $67.99 with free shipping. That’s a savings of $132 off the bloated original listing, $62 better than Amazon, a few dollars off our previous mention and the lowest price that we can find.
We chose the ChugPlug as one of our top portable battery options for MacBooks. You can expect it to add up to an additional 4 hours of battery life to the 11-inch MacBook Air and up to 3 hours for the 13-inch MacBook Air/Pro. While not a full recharge, those couple of added hours can be invaluable when trying to get work done on the road. It is compatible with standard 45 and 60W Apple MagSafe Power Adapters. Note: not compatible with 15-inch MacBooks.
It ships with a one-year manufacturer warranty. Rated 4/5 stars.
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