10 Best
Onboard Marine Battery Chargers
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Product Highlights
- Promar digital technology: microprocessor and software controlled charging technology for fast, precise charging
- Heavy duty tri-surface extruded heat sink design: upper, lower and rear facing heat sink design for optimal cooling while delivering true rated constant current charging amps during its two charge mode
- Prosport hd 20a dual bank waterproof marine battery charger (part number 44020) replaces the old promariner gen 3 prosport 20 (part number 43020)
- Distributed-on-demand technology: 100% of all available charging amps are utilized by distributing unused charging amps to any one or combination of all batteries as needed
- Expanded led display with completion status gauge: led fuel gauge style completion status. four color multi-stage mode led status bar. multi-stage charge mode, system check ok, individual battery status and battery type indication
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Product Highlights
- Promar digital technology: microprocessor and software controlled charging technology for fast, precise charging
- Heavy duty tri-surface extruded heat sink design: upper, lower and rear facing heat sink design for optimal cooling while delivering true rated constant current charging amps during its two charge mode
- Prosport hd 20a triple bank waterproof marine battery charger (part number 44021) replaces the old promariner gen 3 prosport 20 plus (part number 43021)
- Distributed-on-demand technology: 100% of all available charging amps are utilized by distributing unused charging amps to any one or combination of all batteries as needed
- Expanded led display with completion status gauge: led fuel gauge style completion status. four color multi-stage mode led status bar. multi-stage charge mode, system check ok, individual battery status and battery type indication
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Product Highlights
- All digital charging technology
- Fully automatic multi-stage digital charging. dedicated battery charging, sensing and control
- Auto-maintain energy saver mode
- Ac corded model with 2.5' power cord, amps: 5a, volts: 12v, number of batteries: 1 bank, ac/dc cable length: 2.5', size: 4" x 6.1" x 2.6", weight: 1.4 lbs, ac in: 110-120v ac, 50/60hz, built in safety: reverse polarity, ignition, over-current, over-voltage and over- temperature protection
- Weatherproof gasketed rugged plastic molded housing
- Push-to-test battery monitor led fuel gauge status
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Product Highlights
- Multiple protections bring ultra safety: the 12v 40a dc to dc charger has multiple intelligent protections from over-charge, over-voltage, overheating, and reverse polarity and bms protection for lifepo4 batteries. besides, it supports reverse charging the starter battery through the service battery, thus protecting the starter battery & alternator from damage due to ov...
- Compatible with various battery types: this dc-dc on-board charger is compatible with gel, sel, fld, li and user batteries, totally setting your battery choice free. it can be widely used for charging the service battery in multiple applications for rv, trailer, camper, truck, van, vehicle, yacht, marine, etc. as an on-board charger.
- Dual input for 100% charged: redodo dc-dc battery charger is intended to charge the service battery through a starter battery or solar panels, making the service battery 100% charged more flexibly. with built-in mppt technology, the charger is able to achieve a high charging efficiency from solar panels at a suitable voltage. the user-friendly indicators on the charger ...
- Compact design & easy setup: redodo battery charger is small and exquisite, simple to be installed. with a compact design (dimension: 5.8*1.89*7.44 inch, weight: 2.43 lbs), it occupies less room and saves more space on your vehicle, bringing more convenience and less concern during the setup. the built-in anderson connectors makes the installation simpler and easier.
- Reliable service: redodo offers one-on-one customer service and lifetime technical support. if you have any questions, please feel free to contact us.
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Product Highlights
- 【3-phase mppt charging technology】 with built-in maximum power point tracking (mppt), renogy dc-dc on-board battery charger will charge your service batteries with maximized solar power, providing 3-phase charging (bulk, boost and float) to regulate the whole charging and ensure the batteries will be accurately charged at the correct voltage levels to 100%.
- 【light & small, ready to be set up】 with only 9.6in in length, 5.7in in height, and 3.13lbs in weight, renogy dc-dc on-board battery charger is ready to be installed and adapt to any tiny narrow installation space, resolving your concern from limited room in you vehicle.
- 【recommended to match with 40a anl fuse】the renogy anl fuse will protect your controller, wire, and battery from overcurrent.
- 【multi-input for battery charging】 renogy dc-dc on-board battery charger is designed to charge service batteries from a starting battery linked to an alternator or by utilizing solar panels connected directly to the unit, offering multiple charging options and ensuring your battery stay fully charged.
- 【multiple protections】 renogy dc-dc on-board battery charger has multiple intelligent protections includes battery isolation, over-voltage protection, battery temperature protection, over-current protection, overheat protection, reverse current protection, solar panel and alternator reverse polarity protection, guaranteeing charging safety and protecting you batteries.
- 【rj45 communication port featured】 bluetooth monitoring ready! exclusively available with the bt-2 bluetooth module accessory and renogy dc home app available on the ios and google play stores, you can monitor this device remotely and simply through your phone and stay constantly updated.
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Product Highlights
- 【high-level safety secured & reverse charge function】power queen 12v dc-dc battery charger can protect the battery from over-charging, over-voltage, and over-temp, and it has bms protection for lifepo4 batteries. besides, this charger can activate the lifepo4 battery when the bms inside the battery shuts off. where necessary, the service battery is able to charge the st...
- 【great compatibility & more options】power queen 12v dc-dc battery charger is compatible with various battery types, such as agm, gel, sla, ca, and lithium batteries, offering you more options and a more flexible lifestyle. the charger is able to meet your multiple needs for charging the service battery in various application scenarios, such as rv, trailer, camper, truck...
- 【exquisite design & simple operation】small, light, and exquisite, power queen 12v dc-dc battery charger has a compact design, and the dimensions are 5.83*1.89*7.44 inches, so it can save more space for your vehicle. the additional components, anderson connectors, bring simple connection and operation in the installation process, less trouble for you during setup. the vi...
- 【dual input charging】power queen 12v dc-dc battery charger supports charging the service battery through two methods, the starter battery and the solar panels, achieving 100% fully charged on the service battery. the advanced built-in mppt function of the charger maximizes solar power and brings a high charging efficiency at a proper voltage and charging phase.
- 【24-hour timely service】power queen struggles to provide every customer with the safest product and the most professional service. if you have any questions, we'll offer one-on-one technical support to analyze consumers' problems within 24 hours.
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Product Highlights
- Multiple banks - a two-bank battery charger maintainer rated a 4-amps - 2-amps per bank - designed to charge and maintain multiple vehicles like cars, motorcycles, atvs, boats, rvs, trucks, lawn mowers, tractors and more.
- Enjoy precision charging - an integrated digital thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
- Restore your battery - an advanced battery repair mode uses slow pulse reconditioner technology to detect battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
- Compatible with all types of petrol and diesel vehicles - charge and maintain cars, automobiles, motorcycles, motorbikes, dirt bikes, scooters, mopeds, lawn mowers, atvs, utvs, tractors, trucks, suvs, rvs, caravans, trailers, boats, pwcs, jet skis, golf carts, classic cars, and more.
- Meet the genius2x2 - a two-bank battery charger for charging multiple batteries. it's the all-in-one universal charging solution - battery charger, battery maintainer, trickle charger, float charger, plus battery desulfator.
- Do more with genius - designed for 6-volt and 12-volt sealed lead-acid automotive, marine, rv, powersport, and deep-cycle batteries, including flooded, gel, agm, sla, vrla and maintenance-free, plus lithium-ion batteries (lifepo4).
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