PRSRV: The Cell Phone Charger That Helps Improve Battery Life

PRSRV is an innovative, energy efficient power bank designed to preserve and extend your device’s battery life. Most cell phone users charge their phone overnight resulting in overcharging- which not only wastes energy but can overheat and damage cell phone batteries. PRSRV’s unique design prevents this by automatically cutting off electricity to the device once it is fully powered, conserving energy and protecting your device. Surplus power is then directed to charge the back up power bank, for on the go charging later.


  • Power bank can be used in two different locations.
  • Cuts Off electricity to the device after it is 100% charged.
  • Removable credit card sized battery that fits in wallets.
  • Android + Apple compatible
Products are currently available for pre-order here

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