CTEK makes a top-quality intelligent charger specifically designed to extend a battery's life. The CTEK Power 800 charger produces a maximum of 1.3 amps. So, it'll take about 10 hours to charge an ATV/Motorcycle battery, and a day or two for a dead automotive or deep cycle battery.
Now, you can get an Autozone 'manual' charger for $30. So, what you're paying for with the CTEK is it's ability to sense the charge rate and reduce the current to avoid gassing (which evaporates the acid, sulfates the plates, and reduces the battery's capacity). The other feature not available in conventional battery chargers is CTEK's pulse mode, which begins when the battery is fully charged. Pulse circuitry not only keeps the battery fully charged, it also de-sulfates the plates (though the model 800 isn't strong enough to rejuvenate an old battery - instead, take a look at the CTEK 3300).
Below is CTEK's description of the CTEK 12v Battery Charger:
Easily charges all 'small' lead-acid batteries (ATV, Marine, Automotive, and all Sealed batteries: GEL, AGM (glass matt) and all 'non-maintenance' types).
Ideal for seasonal use, stored or sparingly used Autos, ATV's, Jet Skis, Motorcycles and performance vehicles
Excellent desulfation properties - rejuvenates any low voltage battery
Watertight - approved for outdoor use
Compact, lighweight, powerful
Features & Benefits:
Four step, fully automatic switch mode model
Charges lead-acid batteries (Wet, MF, Gel and AGM) from 1.2Ah to 32Ah, 1.2-100Ah maintenance charging
Maintenance pulse charging increases battery life and gives superb performance
Charges even drained batteries
Pulse recover of slightly sulphated batteries
Low back current drain, low ripple and input voltage independent (85-125V)
High efficiency: 85%
Delivered with two interchangeable connection leads, one with clamps, and one with eyelet terminals
The charger can be connected for months, ideal for seasonal vehicles
Compact design with mounting holes for permanent assembly
2 year warranty
Features for Safe Use:
Electronic safe, the charger will not damage vehicle electronics
The battery does not normally need to be disconnected from the vehicle when charging
Minimal gas build-up and a patent-pending spark protection system
Short circuit and reverse polarity protected
Double insulation.
Splash and dust proof
Progressive temperature protection
Battery Types & Settings:
The US 800 charges lead-acid batteries (Wet, MF, Gel and AGM) from 1.2Ah to 32Ah
The charger can also be used for maintenance charging of 12V lead-acid batteries from 1.2Ah to 100Ah
The US 800 is easy to use
You do not need to make any settings
The charger adapts the charge to suit the battery and switches to pulse maintenance charging when the battery is fully charged
Bulk Charging Time:
Battery Size Ah: 2; For about 80% Charge h: 2
Battery Size Ah: 8; For about 80% Charge h: 8
Battery Size Ah: 20; For about 80% Charge h: 20
Battery Size Ah: 60; For about 80% Charge h: 60
Battery Size Ah: 100; For about 80% Charge h: >80
Temperature Protection:
To protect the charger from overheating, the US 800 is fitted with power limitation
The power reduces when the ambient temperature increases
The power also reduces if the charger were to be covered, which protects the charger from damage
The charger continues to work, but at a lower output
When the ambient temperature drops, the power automatically increases again
CTEK Power Inc. designs and develops professional chargers for high performance batteries in the power range 5W to 300W.
Our range of smart, switch mode battery chargers has quickly become market leaders in most parts of Europe. They have been developed based on sound know-how on batteries, design, product development in electronics, engineering and cost-efficient production methods. Our complete range of quality chargers are sold across the world, and we also have our own personnel based in, among others, the US.
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