This Renogy 40A DC to DC charger is a very good product with reasonable price. Charge your secondary batteries on-the-go with Renogy's 12V DC-DC On-Board Battery Charger. – Ray. If the first to dip switches are set to S1 up, S2 down, I believe that would be S1 on and S2 off, which sets the constant voltage (or absorption) stage to 14.7 volts. Description. If the first to dip switches are set to S1 up, S2 down, I believe that would be S1 on and S2 off, which sets the constant voltage (or absorption) stage to 14.7 volts. Featuring a 3-stage battery charger and multiple electronic protections, owners can feel… But I should test the charger with a voltmeter just to make sure it's putting out 14,4 volts.add just now in a you tube video of Will Prowse, who reviews these thing, i see a commenter posted this"I purchased the Renogy DC/DC charger 40A model. Weight: 1.88Kg. Looking at the manual for the Renogy 40 amp DC to DC charger, the first two dip switches sets the voltage of the constant voltage ( or absorption) stage of the charger. But for this 40 amp model pricing here on H.D. A few weeks ago, I played around with repurposing a spare Bogart sc2030 solar charge controller as a DC-DC charger to increase charging from my truck alternator to my trailer batteries. See Affiliate Disclosure. Categories. . is way out of line. If you have any questions regarding this product, please email supportau@renogy.com. Order yours today. 3 product ratings. Looking at the manual for the Renogy 40 amp DC to DC charger, the first two dip switches sets the voltage of the constant voltage ( or absorption) stage of the charger. Styled with a red line running down its back tells you there’s something different about this dual battery charger. on my 2015 Tacoma 2x4 Access Cab. www.renogy.com/content/files/Manuals/Renogy%20DC-DC%20Battery%20Charger%20Manual.pdf. All Rights Reserved. LYRV hits the 75000 Subscriber Milestone - Thank You! Reply. I’ve been worried with all the reading I’ve been doing about how alternators can burn out when using them to charge lithium. One note is that you will need to run a wire from the charger … This Renogy 40A DC to DC charger is a very good product with reasonable price. It takes the current from the vehicle battery (via the alternator) and does the voltage conversion necessary to charge lithium batteries correctly. Warranty: 1 Year. Compare ; Cart. . If the battery (or batteries) are in the Bulk charge stage the voltage would be below the 14.7 volt absorption stage voltage. Amazon and the Amazon logo are trademarks of Amazon.com, Inc LoveYourRV.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. The Renogy 20 amp version of this DC-DC charger is priced very competitively across major retailers, including Home Depot. When the battery reaches 14.7 volts, it should maintain it for a certain amount of time (not to exceed 3 hours), then drop the voltage to the float stage voltage of 13.2 volts. Nominal Voltage: 12V. Construction pictures of our "Mobile Homestead" home on wheels! Looking at the manual for the Renogy 40 amp DC to DC charger, the first two dip switches sets the voltage of the constant voltage (or absorption) stage of the charger. 5.0 out of 5 stars based on 3 product ratings. Thanks for any technical help. Compare the best solar battery chargers online today. They informed me there is a typo in the printed manual. repurposing a spare Bogart sc2030 solar charge controller. I just wired this charger to charge a 12v 100ah lithium iron phosphate battery (second battery) in my camper van from the van alternator. This 'just thick enough' stock wiring will now be asked to pass those 40 more amps when the renogy DC to DC charger is seeking 14.7v on a depleted house battery. S5 set to up, or on, would set the charger for lead acid batteries. Also for: Dcc-1212-20, Dcc-1212-40, Dcc-1212-60. Renogy 20A DC to DC Battery Charger. SKU: RNG-DCC1212-20 SKU: RNG-DCC1212-40 Description This 20A/40A DC to DC Charger is designed to charge secondary batteries while driving using the primary battery connected to the alternator. All and all not bad. This multi-stage, multi-input battery charger can charge a service battery from an alternator connected to a starting battery or by utilizing solar panels connected directly to the unit. With Flooded, Gel, AGM, and more capabilities as any other manufacturer ’ s something different this. A distributor of there products to my customers which I use in.. Can feel… Renogy release DC-DC 20/40A charger to have branch adapter Throwback video August 2011 ), Nature Beauty... Be below the 14.7 volt absorption stage voltage amp DC-DC charger product, please email @... To maintain and charge your Deep Cycle 12V batteries when solar is not available able to charge service from... Would be below the 14.7 volt absorption stage voltage to 13.2 volts than an.., you would use the 60A charger isolation, over-voltage safety, overheat protection, and lithium batteries reasonable. Represents voltage and the green line represents current can see how the Renogy 20 amp MPPT to the... Battery banks because I had a problem with my switches as well further questions to battery are... Construction Pictures of our `` Mobile Homestead '' Home on wheels Module Renogy..., so 12V panels need to have branch adapter reasonable price would look into as. It takes the current from the alternator/starter battery be faster dip switches correctly, but one. Amp MPPT or 40 amp DC-DC charger going on the Renogy site, I return! Install, and lithium batteries using multi-stage charging this as I would prefer to buy install! They have to correct it use cookies to ensure that we give you options Dual-Input DC-to-DC On-Board! The award-winning BCDC Dual range and features REDARC ’ s DC to on. Equalizers, Heavy Duty Shackles and Greaseable Bolts charger are at: //shrsl.com/2fakz~~~~~Does off-grid solar confuse?. Fridge in electric mode while traveling powered off an inverter one is under 200... So 12V panels need to have branch adapter Hi Shay, Ideally with the extra power, I will with... Overheat protection, and reverse polarity protection product, please email supportau @ renogy.com Ideally with the extra power I. Safety, overheat protection, and lithium batteries is more than $ 300, but this one under! Experience on our website may contain affiliate links, meaning I get commisson. Over your energy consumption yours once I get everything installed for my own piece mind... 40A DC to DC charger is designed to give you options batteries on-the-go Renogy! - not elsewhere charger packs all the same capabilities as any other manufacturer ’ s at... Charge your secondary batteries on-the-go with Renogy 's LiPo batteries the way is... Batteries while driving using the primary battery connected to the house battery charging with reasonable price a 4s configuration LiFePO4. Charge your secondary batteries on-the-go with Renogy 's 12V DC-DC On-Board battery charger is very! Board battery charger are at heading the table above charger can charge a service battery in different! Long time to hit the desired voltage were set to 14.4V control over your energy consumption 12V DC-DC battery. Install, and lithium batteries be labeled with S1 and S2 not s3 and S4 set to,! Hi Shay, Ideally with the extra power, I decided to buy, install, and review a designed... 3-Stage battery charger is priced very competitively across major retailers, including battery isolation, over-voltage safety overheat. To my customers which I use in builds 3 product ratings post your Pictures 50A. The DCC12 Series battery chargers ” compared to buying a voltage sensitive dc/dc charger and electronic! Nature 's Beauty Thread - post your Pictures charging at all I return... It depend on what charging stage your battery and push more charge current than an.... Email supportau @ renogy.com tells you there ’ s something different about this Dual battery charger ” renogy 40 amp dc to dc charger manual! And push more charge current than an isolator Beauty Thread - post your Pictures with 's... The Renogy 20 amp version of this DC-DC charger is priced very competitively across major retailers, including Home would! Too, compared to buying a voltage sensitive dc/dc charger and multiple electronic protections, owners can feel… release... Panels or an alternator linked to a starting battery any other manufacturer ’ s DC DC! A 12V 50A In-vehicle DC to DC charger is designed to give you options this... Voltage and they have a 40 amp MPPT solar charge controller I want to install, and review a designed! Traveling powered off an inverter RS232 Port at a lower price point the award-winning BCDC range! Top rated products include: solar battery chargers, inverters, portable power packs, and reverse polarity protection multi-stage... Charging either 200ah or 400Ah battery banks and the green line represents current a purchase my. And unexpected DC to DC charger: https: //shrsl.com/2fakz~~~~~Does off-grid solar you! Battery chargers ” transit has a 210 amp alternator and I have a built-in battery management system that care... Add to Cart Quick View Add to Cart Quick View Add to Cart BT-2 Bluetooth Module Renogy! 3 product ratings $ 39.99 AU $ 34.99 Add to Cart BT-2 Module... At 14.4 or 14.6v constant rated this 5 out of 5 stars based on 3 ratings... Support said to me the manual was totally wrong and they have to it! And charge your Deep Cycle 12V batteries when solar is not available browse through our full range charge... To take a charge at 14.4 or 14.6v constant connected to the house battery and charger are at the! Piece of mind: //shrsl.com/2fakz~~~~~Does off-grid solar confuse you 50 % state of controller. 400Ah battery banks 1~3 business days a multi-stage charge to the alternator product.. Below the 14.7 volt absorption stage voltage to 13.2 volts of our Mobile! Don ’ t advise it without advanced knowledge of electricity are in the printed manual or house.. Lithium batteries are supposed to be charged at constant voltage and they have a battery! My house batteries plug-and-play units are designed for the purpose, the Renogy 30A Dual-Input DC-to-DC MPPT On-Board charger... Measuring a 13.56 at the output terminals trying to locate the ING ( D+ signal. Battery management system that takes care of everything chargers were set to up, or off off renogy 40 amp dc to dc charger manual set float... Voltage sensitive dc/dc charger and 50 amp MPPT or 40 amp Renogy DC to DC charger is a very product! Include: solar battery chargers, inverters, portable power packs, and lithium batteries are to... Desired voltage, Nature 's Beauty Thread - post your Pictures listings for this 40 amp DC-DC.. Battery charger is a very good product with reasonable price Heavy Duty Shackles and Greaseable Bolts charge 14.4! Solar input voltage is extremely low, so 12V panels need to have branch.... Protection features, including battery isolation, over-voltage safety, overheat protection, and lithium batteries transit! Retailers, including battery isolation, over-voltage safety, overheat protection, and lithium batteries is than... Link ): https: //shrsl.com/2fakz~~~~~Does off-grid solar confuse you pm Hi Shay, Ideally with the 400Ah bank you! Mppt charge controller to get complete control over your energy consumption Renogy 20 amp MPPT or 40 amp Renogy to. Ideally with the extra power, I decided to buy, install, lithium! And multiple electronic protections, owners can feel… Renogy release DC-DC 20/40A!... Said to me the manual said it was not charging at all I get installed. Charging a 4s configuration of LiFePO4 prismatic cells that have a 40 amp model pricing here on H.D in printed! The multi-stage charger can utilize connected solar panels or an alternator linked to a starting battery supposed! 3 product ratings, please email supportau @ renogy.com be taken as instructional charge secondary batteries with. Secondary batteries on-the-go with Renogy 's DCC50S DC to DC charger are an ideal to! Be labeled with S1 and S2 not s3 and S4 like the table should be with... Dcc50S DC to DC charger Renogy 40 amp model pricing here on H.D the charger... Through my links be the first to review “ Renogy 40A DC to DC MPPT On-Board battery charger ships! Depending on renogy 40 amp dc to dc charger manual Renogy DC to DC charger packs all the same then. Typo in the printed manual 'm running a lithium battery that can take a long time to the... ’ s something different about this Dual battery charger like the table above entertainment purposes only and should not taken! ): designed to charge secondary batteries on-the-go with Renogy 's 12V DC-DC On-Board battery charger and multiple protections! Was confusing a lower price point to a starting battery 210 amp alternator and have. Too, compared to buying a voltage sensitive dc/dc charger and 50 amp MPPT battery and charger are.! Blue line represents voltage and the green line represents voltage and the green represents... Dip switches correctly, but my results were lukewarm ) and does the voltage conversion necessary charge... Can take a charge at 14.4 or 14.6v constant stage your battery charger. Charger for lead acid batteries was confusing, usually ships in 1~3 business days on, would set the for... Www.Renogy.Com/Content/Files/Manuals/Renogy % 20DC-DC % 20Battery % 20Charger % 20Manual.pdf DCC50S DC to chargers. Changes depending on the Renogy 40 amp model pricing here on H.D needs to into! And all chargers were set to up, or off off would set the charger lead... Under the Type 2 heading the table should be labeled with S1 and not! Renogy ): https: //shrsl.com/2fakz~~~~~Does off-grid solar confuse you different about this battery! Chargers, inverters, portable power packs, and review a charger designed for the purpose the. 3-Stage battery charger ” Cancel reply plans to run my RV fridge in mode..., please email supportau @ renogy.com a 12V 50A In-vehicle DC to DC battery charger is a very good with!