12V 40A DC-DC Battery Charger with LiFePO4 Activation, Waterproof Smart Battery Charger Compatibility with Flooded, Gel, AGM, and Lithium Batteries for RV Marine Truck All Weather

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Management number 212831325 Release Date 2026/04/12 List Price $79.04 Model Number 212831325
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๐‘๐„๐๐Ž๐†๐˜ 40A DC-DC Charger turbo-charges RV/boat batteries 2x fasterโ€”revive dead LiFePO4 with one-touch Savior Mode! Perfect for liveaboard yachts or off-grid cabins, this 12V DC to DC charger supports AGM/GEL/custom lithium. Survive salt spray and blizzards with IP32 armored casing and military-grade reverse polarity protection. Monitor 40A charging currents remotely via App (RJ485/BT-2). Smart alternator compatibility (12-16V) prevents starter drain, while arctic-proof design (-13โ„‰ to 140โ„‰) auto-throttles output above 113โ„‰. With ๏ผœ15mA standby drain, never wake to dead batteries in overlanding rigs. Trusted by Pacific fishermen and Alaskan truckers

  • ๐’๐š๐Ÿ๐ž๐ ๐ฎ๐š๐ซ๐ ๐ญ๐ก๐ž ๐’๐ญ๐š๐ซ๐ญ๐ž๐ซ ๐๐š๐ญ๐ญ๐ž๐ซ๐ฒ: This onboard 12V dc to dc battery charger not only features๐›๐ฎ๐ข๐ฅ๐ญ-๐ข๐ง ๐š๐ฅ๐ญ๐ž๐ซ๐ง๐š๐ญ๐จ๐ซ ๐ซ๐ฎ๐ง๐ง๐ข๐ง๐  ๐๐ž๐ญ๐ž๐œ๐ญ๐ข๐จ๐ง to ensure charging only occurs when the engine is running, protecting the vehicle battery, but also boasts intelligent charging strategies. Even during the instant of vehicle startup, RV battery charger swiftly adjusts the charging mode, ๐ ๐ฎ๐š๐ซ๐š๐ง๐ญ๐ž๐ž๐ข๐ง๐  ๐ง๐จ ๐ก๐š๐ซ๐ฆ ๐ญ๐จ ๐ญ๐ก๐ž ๐ฌ๐ญ๐š๐ซ๐ญ๐ž๐ซ ๐›๐š๐ญ๐ญ๐ž๐ซ๐ฒ
  • ๐’๐ข๐ฆ๐ฉ๐ฅ๐ž ๐š๐ง๐ ๐‚๐จ๐ฆ๐ฉ๐š๐œ๐ญ ๐‹๐š๐ฒ๐จ๐ฎ๐ญ-The second generation DC battery charger adopts a ๐ฐ๐š๐ฅ๐ฅ-๐ฆ๐จ๐ฎ๐ง๐ญ๐ž๐ ๐๐ž๐ฌ๐ข๐ ๐ง, simple yet efficient, facilitating easy installation for solar beginners. Dc to dc charger 12v lifepo4 unique internal layout ensures a ๐ฌ๐š๐Ÿ๐ž ๐๐ข๐ฌ๐ญ๐š๐ง๐œ๐ž between the input and output power terminals, effectively ๐š๐ฏ๐จ๐ข๐๐ข๐ง๐  ๐ญ๐ก๐ž ๐ซ๐ข๐ฌ๐ค ๐จ๐Ÿ ๐ฉ๐จ๐ฌ๐ข๐ญ๐ข๐ฏ๐ž ๐š๐ง๐ ๐ง๐ž๐ ๐š๐ญ๐ข๐ฏ๐ž ๐ฉ๐จ๐ฅ๐ž ๐ฌ๐ก๐จ๐ซ๐ญ ๐œ๐ข๐ซ๐œ๐ฎ๐ข๐ญ๐ฌ
  • ๐‹๐ข ๐๐š๐ญ๐ญ๐ž๐ซ๐ฒ ๐€๐œ๐ญ๐ข๐ฏ๐š๐ญ๐ข๐จ๐ง ๐Ž๐ง/๐Ž๐Ÿ๐Ÿ: 40A DCC battery charger features intelligent Li battery activation, ensuring optimal battery performance. Meanwhile, considering users' personalized needs, a simple ๐จ๐ง๐ž-๐ญ๐จ๐ฎ๐œ๐ก ๐จ๐ฉ๐ž๐ซ๐š๐ญ๐ข๐จ๐ง allows easy activation and deactivation of this feature, giving you complete control over the battery's status
  • ๐‚๐จ๐ฆ๐ฉ๐ฅ๐ž๐ญ๐ž ๐ž๐ฅ๐ž๐œ๐ญ๐ซ๐จ๐ง๐ข๐œ ๐ฉ๐ซ๐จ๐ญ๐ž๐œ๐ญ๐ข๐จ๐ง: Dc to dc lifepo4 charger adopts advanced protection technology, ensuring ๐œ๐จ๐ฆ๐ฉ๐ซ๐ž๐ก๐ž๐ง๐ฌ๐ข๐ฏ๐ž ๐ฌ๐š๐Ÿ๐ž๐ญ๐ฒ for your vehicle. Marine battery charger effectively ๐ฉ๐ซ๐ž๐ฏ๐ž๐ง๐ญ๐ฌ ๐จ๐ฏ๐ž๐ซ๐ฅ๐จ๐š๐, ๐ฌ๐ก๐จ๐ซ๐ญ ๐œ๐ข๐ซ๐œ๐ฎ๐ข๐ญ๐ฌ, ๐š๐ง๐ ๐ก๐š๐ง๐๐ฅ๐ž๐ฌ ๐œ๐ก๐š๐ฅ๐ฅ๐ž๐ง๐ ๐ž๐ฌ like over-temperature and over-voltage effortlessly. Even in high-temperature environments, it intelligently adjusts output power, ensuring efficient and safe charging
  • ๐ˆ๐ง๐ญ๐ž๐ฅ๐ฅ๐ข๐ ๐ž๐ง๐ญ ๐๐ฅ๐ฎ๐ž๐ญ๐จ๐จ๐ญ๐ก ๐‚๐จ๐ง๐ญ๐ซ๐จ๐ฅ (๐‘๐ž๐ช๐ฎ๐ข๐ซ๐ž๐ฌ ๐จ๐ฉ๐ญ๐ข๐จ๐ง๐š๐ฅ ๐๐“-๐Ÿ ๐๐ฅ๐ฎ๐ž๐ญ๐จ๐จ๐ญ๐ก ๐ฆ๐จ๐๐ฎ๐ฅ๐ž)- Add the advanced BT-2 Bluetooth module (๐ฌ๐จ๐ฅ๐ ๐ฌ๐ž๐ฉ๐š๐ซ๐š๐ญ๐ž๐ฅ๐ฒ) to enable remote control of charging parameters via the ๐‘๐„๐๐Ž๐†๐˜ DC Home app. Additionally, this 12V to 12V battery charger records up to ๐Ÿ‘๐Ÿ”๐Ÿ“ days of data for comprehensive ecosystem monitoring
Brand RENOGY REGO
Color Black
Amperage 40 Amps
Manufacturer RENOGY Rego
Model Number 40A Fast Charge
Input Voltage 16 Volts
Current Rating 40 Amps
Output Voltage 12 Volts (DC)
Mfr Part Number RBC40D1U
Specification Met UL
Warranty Description 2-year material and workmanship warranty
Item Dimensions D x W x H 2.3"D x 9.31"W x 5.17"H
Connector Type Used on Cable RJ485, Bluetooth (BT-2)

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