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Liberty PlugIns is dedicated to providing easy-to-use, low cost, flexible EV charging systems for shared parking areas. Whether you simply want to limit access to EV-charging, or whether you want to bill for energy usage, review reports and implement utility Demand Response programs… from simple to complex, Liberty PlugIns has your EV charging solution.

Liberty PlugIns is constantly exploring new and emerging standards and methods (like OpenADR that provides a standardized interface for utility demand response programs) to find creative ways to eliminate unnecessary complexity and costs from your EV charging system.

How It Works

The HYDRA-R uses highly accurate meters and circuit control to measure usage and provide access control. HYDRA-R saves you money by turning quality, low cost non-network chargers into fully-featured “smart” chargers. And, all your data is password-protected, encrypted and easily accessible to authorized users via any Web browser and Secure Socket Layer (SSL). Liberty PlugIns stores data on servers meeting the strictest security standards. Liberty PlugIns systems meet Payment Card Industry (PCI) standards.

HYDRA-R Multi-Charger Control System

The HYDRA-R is a smart controller that puts access control, metering, reporting and advanced load management capability in one box. Here’s an example showing two low cost, non-network chargers connected to a HYDRA-R controller. For this installation, there’s ten chargers, and all now have access control, metering, and online usage reporting, thanks to the HYDRA-R.


HYDRA-RX High Power Charger Control System

The HYDRA-RX is a unique controller that qualified, licensed electricians can install along with the highest power “Level 2” EV chargers available (like the Clipper Creek CS-100, 208/240V, 70/80A charger) and even higher power DC fast chargers.


Access-Only Keypad

The Liberty PlugIns Access-Only Keypad provides a way for you to limit access to your chargers by certain individuals, and for limited durations of time (minutes, hours or days) that you specify. It doesn’t measure energy use (kWh); it doesn’t need batteries; it doesn’t need proprietary access cards, and; it doesn’t need a network. And the best part: this setup costs less than half what you’ll pay for a “fully networked” EV charger with a color screen and bunch of other features you’ll never...


One-Time-Use Access Codes

Many EV drivers appreciate the ability to get access to EV charging without having to join a network or carry membership cards. And equipment owners appreciate not having to pay large fees for monthly services or each transaction. If you’re not concerned with measuring electricity usage, one-time-use access codes (“charge authorization codes”) are an easy and effective way to limit access to only certain EV drivers, and only for certain periods of time.


Cost Effective EV Charging For Shared Parking