There’s been a lot of innovations towards laptop external batteries and here’s one that could recharge your battery, extending your battery life up to 7 hours more. You can get up to 7 hours of extra laptop charge simply by hooking it up with one of these external batteries. The thing I like most about this external laptop battery is the size, it’s small enough to fit in your laptop bag. At $124.99 from Amazon, get bunch of these and you can get like easy 20-30 extra battery time for couple hundred bucks. via laptop blog