Have you ever been in a situation where you have needed your phone badly but had no way to charge its dead battery? That’s why carrying a device like the PulsePak for emergency situations is a good idea. For starters, this battery pack is compact and looks decent. It fits on your keychain with no issues. It has a Micro USB connector that plugs into your phone directly. It offers up to an extra hour of talk time for large Android phones.
PulsePak weighs 20 grams and has a 300mAh battery. It has a standby period of 4 months and should last over 500 charge cycles. Like the idea? You may want to support it on Kickstarter.