Cobra and Cobra Gold Battery Chargers blend Silicon Controlled Rectifiers
(SCR) with Ferroresonant efficiency for a Cobra Finish. This unique technology
thrives in both hot and cold environments, and while charging high-gravity
batteries. Only a Cobra ensures a complete recharge under every operating
condition possible.
Cobra Chargers allow you to program the finish rate you need. The SCRs
provide a constant finish current regardless of battery voltage. The resulting
complete recharge means greater battery performance, longer battery life
and potentially fewer batteries. The Cobra's ferroresonant transformer reduces
utility cost in comparison to full SCR and high-frequency chargers. The
result is higher productivity for a better return on your investment.
Here's how it works.
Ordinary ferroresonant chargers undercharge cold batteries because the
cold creates an artificially higher voltage, causing the charger to stop
before the battery is fully charged. The reverse happens in hot conditions.
Ordinary chargers overcharge because the heat creates an artificially lower
voltage.
High gravity batteries have a slightly higher voltage and need a charger
that will adjust before terminating the charge. The SCRs provide a constant
finish, regardless of the voltage. That means greater battery performance,
longer battery life, and higher productivity.
Other Cost Saving Features Include:
Programmable start and delayed start by time of day or elapsed time
Auto equalization by day of the week or cycle count
Auto refresh
Data retention
Several termination methods Stackable up to three-high to save space
Power Payback Program
When you purchase Cobra or Cobra Gold from EnerSys, you are eligible
to enroll in our Power Payback Program. Ten years after you purchase a
Cobra or Cobra Gold Charger, we'll credit you with 15% of the original
purchase price when you purchase a new Cobra or Cobra Gold Charger.
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