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Minn Kota MK Digital Linear Chargers
Digital Linear Chargers
On-Board Chargers Today
Current Supplier provides quality product and design services. However, services are at their pacing
with limited resources; and a history of issues meeting launch dates. PC charger delays prompted a
re-evaluation of our controls and processes
- Resulted in a renewed commitment to the charger category
- Allow supplier to focus on what they do well… build product
All charger development controlled by Minn Kota engineering
Minn Kota designs, tests, and qualifies
Supplier manufactures – period
Revised product plan
- 2011 Digital Linear On-board chargers
- 2012 Precision Charge On-board chargers
New Digital Linear On-Board Chargers
Taking existing Linear On-board family of chargers and raising the bar
- Analog to Digital designs; New "D" designation in model name
New microprocessor controlled linear design provides software enriched features and functionality
More repeatable set points (voltage limit and current) = improved charge curves
Maintenance mode time-out feature (auto-off)
Arc protection
Enhanced status codes
System okay
Charge stage indication (Bulk, Absorption, or Maintenance)
Full charge
Maintenance mode status
Multiple specific error indications – low battery voltage, damaged temp sensor, no output lead attached, etc.
Up to 2X Faster Charge Times in high heat conditions
LED Status Code Detail
1. A GREEN power light is lit to indicate AC power is applied
2. A YELLOW light is lit for each bank to indicate the battery is charging in the Bulk Mode
3. A flashing YELLOW light is lit for each bank to indicate the battery is charging in the Absorption Mode
4. A flashing GREEN light is lit for each bank to indicate the battery is in maintenance mode and ready to use
5. A GREEN light is lit for each bank to indicate the battery is in long term maintenance mode and ready to use
6. A RED light for each bank is lit if any of the following apply:
- a) No battery is connected to an output cord - this may also indicate a blown fuse in the fuse holder
- b) The battery is connected reverse polarity
- c) A short circuit
- d) The battery voltage is below 4 volts - the bank will not charge a battery in this condition
- e) The battery voltage is above 18 volts - the bank will not charge a battery in this condition
7. A flashing RED light is lit for each bank if there is a damaged temperature sensor on the output cord - the bank will not operate if this occurs.
8. Flashing RED and GREEN lights are lit for each bank if any of the following apply:
- a) The battery voltage does not rise above 10.5V after 3 hours - the battery may be damaged and will not be charged
- b) Charging in Bulk Mode exceeds 20 hours - the battery may be damaged and will not be charged
Digital Linear Charging Technologies
Automatic 3-Stage Charging
Bulk – high amps at low voltage until battery reaches ~75% charge
Absorption – at ~75% charge, current tapers down until the battery voltage reaches 14.4V* (fullcharge)
Maintenance (or Float) – when the battery voltage reaches full charge, charger output is dropped to 13.4V* (.1A-.3A). After 24 hours, the charger automatically turns off and automatically turns on when the battery voltage drops below 12.6 volts Digital Linear Chargers
Automatic Temperature Compensation
Senses temperature and adjusts output voltage
Protects batteries from overcharging at high temperatures
Maintains gassing threshold for a full charge
Gassing Threshold
Voltage level at which electrolyte begins moving within the battery
This threshold must be reached in order to fully charge a battery
Effect of Temperature
Gassing threshold is higher at lower temps, lower at higher temps
Too much voltage at high temperatures can "boil" and destroy a battery
Specifications
Waterproof, shock-and vibration-resistant aluminum construction
Saltwater tested and fully corrosion-resistant
Short circuit, reverse polarity, and ignition protected
For use with 12V/6 cell batteries that are flooded/wet cell, maintenance free or starved electrolyte (AGM) only
FCC compliant
UL listed to marine standard 1236
3 year warranty
Replaces all existing current on-board chargers (excluding portables)
No Price Increase
Availability: November 2010
Thank You for Shopping @ Nutter Rod & Reel Service
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