Sentina Buddy is the most reliable rechargeable smartphone battery that holds its charge for a full year. Using an internal patented featured called 'SmartJack', it seals power for over a year while other products can only hold it for up to three months of inactivity. Sentina Buddy holds 97% of its charge if left on the shelf for a year. The 2400mAh lithium-ion charges an iPhone or Android in under three hours and it can charge it 1 1/2 times before requiring to recharge itself. Its small and light design with only 3 oz of weight also incorporates an LED flashlight of 160 Lumens and an emergency beacon. Recharges via USB/AC adapter in six hours. It comes precharged and ready to use out of the box. Available in multiple colors.
Fully charges iPhone, Galaxy or other smartphones