Campbell Scientific CH200 Smart 12V Charging Regulator

Description

Unit only. From the manufacturer:
Overview
The CH200 is microcontroller-based smart charge controller that is ideal for an external rechargeable 12 Vdc VRLA battery such as Campbell Scientific's BP12 or BP24. The controller manages amperage and voltage for safe, optimized battery charging from a solar-panel or ac power source. It also measures various input, output, and status parameters to allow close monitoring of the battery.
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Benefits and Features
Allows charging from various sources: solar panels or AC wall chargers
Two-step constant voltage charging and temperature compensation optimize battery charging and increase the battery’s life
Allows simultaneous connection of two charging sources (e.g., solar panel, ac wall charger)
Ability to monitor both load and battery current
Battery reversal protection
Protects against high-amperage and high-voltage damage to power supply
Real-time measurements of charge input voltage, battery voltage, on-board temperature, battery current, and load current