Top 10 On Board Battery Charger – Automotive Replacement Batteries & Accessories

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NOCO Genius GENM2 8 Amp 2-Bank On-Board Battery Charger

NOCO #ad - Built-in battery desulfator to recover worn-out batteries. Saltwater-tested to combat corrosion. One of the most advanced battery chargers in its class, 33 CFR 183.

410, which is certified to ul1236, ISO 8846, plus backed by a 5-year . An 8 amp 4 amp per bank on-board battery charger for charging and maintaining two 12-volt batteries independently. Safely charge all types of lead-acid batteries from 20-120Ah, AGM, gel, including wet, and deep-cycle batteries. Advanced safety protection featuring spark-proof technology, thermal, ignition, plus reverse polarity, and overcharge protection. Rugged and waterproof construction capable of submersion down to 3-meters and rated IP68 and NEMA 6P.
BrandNOCO #ad
ManufacturerNOCO #ad
Height5.5 Inches
Length7.9 Inches
Weight5.8 Pounds
Width2.2 Inches
Part NumberGENM2
Warranty5-Year Limited Warranty

2. Guest


120V Input, Guest 2711A ChargePro On-Board Battery Charger 10A / 12V, 2 Bank

Guest #ad - 2 year warranty. Built-in safety: reverse polarity, over-voltage, over-current, over-temperature and ignition protection. Dedicated battery charging, sensing and control per bank. 100% waterproof ip67 and shock resistant for all fresh and saltwater applications. In-line fuses for maximum DC wire protection. For all 12 volt flooded and AGM lead acid batteries. 12v 10 amp 2 bank bank on-board battery charger.
BrandGuest #ad
ManufacturerMARINCO #ad
Height9 Inches
Length7.5 Inches
Weight4.7 Pounds
Width2.4 Inches
Part Number2711A

3. Schumacher


Schumacher SC1300 1.5A 6/12V Fully Automatic Battery Maintainer

Schumacher #ad - Reverse hook-up protection ensures charger will not operate if clamps are reversed. Includes double-sided adhesive and cable tie for mounting. Provides 1. 5a to maintain your 6V or 12V battery. Microprocessor-controlled, safety, with multi-stage charging for added precision, and battery life. Auto voltage detection automatically detects 6 or 12V batteries.
BrandSchumacher #ad
ManufacturerSchumacher #ad
Height5.9 Inches
Length9 Inches
Weight0.7 Pounds
Width2 Inches
Part NumberSC1300
WarrantyNot Applicable



BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with Detachable Alligator Rings Clips Fast Charging Waterproof Trickle Charger for Car Boat Lawn Mower Marine Sealed Lead Acid Battery

BMK BLUEMICKEY #ad - Qualiry ensurance & in time servicebmk is devoted to provide boat battery trickle charger with higher qulality to meet buyers' needs better and timely after-sale services, eliminate all your worries about getting this trolling motor battery charger. Upgraded with 10a fuse onto ring connectors & multi-purposes deep cycle battery chargerpb/sla/vrla/gel/agm lead acid battery charger tender, BMK battery maintainer charger is a great choice for lawn mower, boat, operated with vulcanization function, car, motorcycle, lightweight15.

87oz allows you take it to anywhere, electric tools and emergency battery charging, electric vehicle, used as Trickle Battery Charger as well. Led indicator designed to display different charging status of the 12v smart charger. Note: to better tender the battery, just more charging time. Made of high quality abs, featured with constant pulse current maintenance function to avoid overcharge and discharge; Full-loaded and burn-in test prove its high reliable efficiency, IP65 Waterproof, multi-protects of Short Circuit/ OV/ OC/ Overload/ Polarity Reverse, stable performance.

Upgraded 72-hour safety features/multi safety protections - battery rescue & recoverupdated with 72 hours safety feature to commence anytime the charger is onto protect marginal batteries from over charging. Upgraded defective battery detect/fast charging car battery boosterupdated with battery condition diagnose to detect the defective battery before charge. Stop automatically when the battery is fully charged. Just get your automotive car Battery Charger Maintainer with confidence, and contact us if you have any problems about the item when using.
ManufacturerBMK BLUEMICKEY #ad
Part Number4333804069
Warranty24 Months Warranty-Life Time Quality Guarantee

5. ProMariner


ProMariner Multi 43008 Battery Charger Prosport 8 Amp

ProMariner #ad - Digital multi-stage performance charging: Fully charge and extend the life of your batteries - automatically charges, conditions and safely maintains all batteries on board for maximum time on the water. Primary digital technology: microprocessor and software controlled pulse charging technology delivering a 40 percent lighter design than the previous generation of epoxy filled chargers, cooler charger operation and faster charging.

Energy saver mode: after fully charging and conditioning batteries, Pros port's Energy Saver Mode will monitor and Auto Maintain batteries only when needed, maintaining a full state of charge. Storage recondition mode: during short or long-term storage, Pros port automatically reconditions all batteries on board once a month for maximum battery life and performance.

System ok and battery bank trouble status indicators: Advanced technology eliminates time consuming troubleshooting by clearly indicating system and battery connections are OK or if a fault is present on a specific battery bank. This significantly reduces AC power consumption, lowers operating costs and maximizes reserve power performance.
BrandProMariner #ad
ManufacturerMARINCO #ad
Height2.75 Inches
Length8.38 Inches
Weight3 Pounds
Width7.25 Inches
Part Number43008

6. Renogy


And Lithium Batteries Using Multi-Stage Charging, AGM, Gel, Renogy DCC50S 12V 50A DC On-Board Charger with MPPT for Flooded

Renogy #ad - Built-in voltage sensitive Relay VSR for user friendly setup with traditional alternators. Smart protection features: battery isolation, over-voltage protection, reverse current protection, overheat protection, battery temperature protection, over-current protection, solar panel and alternator reverse polarity protection.

Compatible with multiple deep cycle battery types: AGM, GEL, Flooded, and Lithium. Sophisticated automatic 3-phase charging profile Bulk, Boost, and Float ensures your service battery will be accurately charged at the correct voltage levels to 100%. The renogy dc-dc on-board battery charger with mPPT is designed to charge service batteries at the most effecient rate from two DC input, solar panels and the vehicles alternator.
BrandRenogy #ad
ManufacturerRenogy #ad
Height3 Inches
Length9.6 Inches
Weight3.13 Pounds
Width5.7 Inches
Part Numberfor Flooded, Gel, AGM, and Lithium Batt
ModelRenogy DCC50S 12V 50A DC-DC
Warranty1-year material warranty



NOCO Genius G4 6V/12V 4.4 Amp 4-Bank Battery Charger and Maintainer

NOCO #ad - An optimized charge mode for safely charging and maintaining 12-volt lithium-ion batteries, and recommended with use on lithium batteries with an internal BMS. Simply plug-in and let our advanced charging technology automatically monitor and maintain your battery.

Ip64 protection. Completely recharge smaller capacity batteries on motorcycles, personal watercraft, snowmobiles, scooters, ATVs, and power wheels up to 40 amp-hours. One of the most advanced and safest battery chargers, and reverse polarity protection, including spark-proof technology, plus backed by our 5-year and endless accessories. Works with all types of 6-volt and 12-volt lead-acid batteries, or any common automotive, and AGM, deep-cycle, marine, including Wet, Gel, or maintenance-free battery.

The most convenient way to charge and maintain multiple vehicles for extending battery life and year-round battery maintenance of your car, boat, truck, RV, lawnmower, or any other vehicle. Keep your battery fully charged without worry or overcharge.
BrandNOCO #ad
ManufacturerNOCO #ad
Height2.5 Inches
Length9.3 Inches
Weight2.7 Pounds
Width9.4 Inches
Part NumberG4
Warranty5-Year Limited Warranty

8. Universal Parts


24 Volt 4.0 Amp On-Board Battery Charger for Rascal

Universal Parts #ad - 617950000179500 . On-board 24 volt, 4 amp battery charger for use with rascal mobility scooters and power wheelchairs. Compatible with the following models: rascal 130 rascal 230 & 240 deluxe rascal 235 & 245 chauffeurrascal 250 pc rascal 255 convertable rascal 300 rascal 305 rascal 312 turnabout Rascal 400T Rascal 410 PC Rascal 415 PC Rascal 445 PC Rascal 600B & 700B Rascal 600C ConvertAble Rascal 600F ConvertAble Rascal 600T ConvertAble Rascal 625Interchanges with the following Rascal part numbers:1792460017924.
BrandUniversal Parts #ad
ManufacturerUniversal Parts #ad
Weight2.2 Pounds
Part Number133-4

9. ProMariner


2 Bank, Promariner Prosport 8 Gen 3 Heavy Duty On-Board Marine Battery Charger, 8 Amp

ProMariner #ad - Distributed-on-Demand Technology. Prosport is 100% waterproof and shockproof, weighing 40% lighter. System ok & battery bank trouble status Indicators. Prosport 8 gen 3 heavy duty recreational Series On-Board Marine Battery Charger - 8 Amp - 2 Bank. Storage Recondition Mode. Pre-wired for easy installation. Digital led display & Battery Type Selector. Built-in quality & Safety.
BrandProMariner #ad
ManufacturerProMariner #ad
Part NumberPROMA-43008

10. Banshee


12V 12 Volt 1 Bank On Board Battery Charger Waterproof New!

Banshee #ad - Powers off when battery is fully charged or Topped off. Charging/boosting all 12v/2-15ah lEAD-ACID batteries and maintain up to 250Ah. Designed to maintain 12v batteries up to 200ah Powers on when needed. Fully automatic On-board 1. 5amp Maintainer/Charger. Overcharge and Short circuit protection.
BrandBanshee #ad
ManufacturerBatteryJack Inc #ad
Weight2 Pounds
Part NumberTE4-0218