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User manual and guide to professional battery
charging for Starter and Deep Cycle batteries
THIS MANUAL CONTAINS IMPORTANT SAFETY AND OPERATING INSTRUCTIONS FOR BATTERY CHARGER & MAINTAINER: BK 20
DESIGNED FOR WORKSHOPS AND WAREHOUSES
Lithium (LiFePO4) & Lead Acid compatible
IMPORTANT SAFETY INSTRUCTIONS
Please read this manual and follow the instructions carefully before using the charger.
WARNING
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The bank charger is designed to charge 6/12V lead-acid batteries (LA) or 12V LiFePO4 (LFP) battery from 4Ah to 40Ah and
maintain batteries up to 80Ah.
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We always recommend that you check the Battery Manufacturers specifications before using this charger.
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Explosive gases may escape from the battery during charging. Provide ventilation to prevent flames and sparks.
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For indoor use. Do not expose charger to rain, snow or liquids.
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Battery acid is corrosive. Rinse immediately with water if acid comes into contact with skin or eyes.
•
Never charge a frozen battery.
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Never charge a damaged battery.
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Never place the charger on the battery while charging.
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Be extra cautious to reduce risk of dropping a metal tool onto battery. It might spark or short-circuit battery or other electrical
part that may cause explosion.
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When working with a lead-acid battery, remove personal metal items such as rings, bracelets, necklaces, watches…
•
NEVER smoke or allow a spark or flame in vicinity of battery or engine.
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Do not charge non-rechargeable batteries.
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In order to reduce risk of electric shock, unplug charger from AC outlet before doing any maintenance or cleaning. Turn off controls will reduce risk.
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The kit is not supposed to be used by children or by people who are not able to understand the manual, unless they are supervised
by a responsible person who ensures the proper use of the kit.
MAIN FEATURES
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Fully isolate –
3 dependent bank charge output.
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Auto Detect –
Auto-detect for Lead acid or LiFePO4 battery hooked.
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Adaptable charging algorithm –
Enable the precise charging algorithm targeted for Lead acid or LiFePO4 batteries.
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Smart re-activation –
Allows it to wake up “dead” LiFePO4 batteries where the BMS under-voltage protection has been triggered.
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Force re-activation –
Allows it to wake up “dead LiFePO4 batteries or low-voltage Lead acid battery by Force mode.
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Two voltage mode –
Charge 6V or 12V batteries.
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Battery qualification detection –
Automatically detect the battery initial voltage.
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Low voltage Start –
Activate the heavy discharged battery from as low as 2.0V at 12mode.
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Battery bad cell detection –
Smart detection to the battery bad cells and error indication.
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Weak or sulphated Battery detection –
Automatically detect the weak or heavy-sulphated battery and error indication.
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Battery desulphation –
Manual recondition to the sulphated Lead acid batteries.
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Charging time management –
Multiple charging stages and charging time management.
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Pulse maintenance –
Long term pulse mode maintenance to keep the Lead acid battery at optimal performance.
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Flexible output cable –
Detachable clamps terminal cord sets with SEA connector.
PROTECTION FEATURES
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Connection spark free.
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Never overcharge your battery.
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Output short circuit or reverse polarity protection.
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Charging timer for each charge phase protection.
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Thermal run-away protection at the battery side.
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Internal over-heat protection.
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Conformal coatings prevent from moisture for the inside circuit board.
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Corrosion-resistant output connectors.
Summary of Contents for BK 20
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