1. Bezpečnostní informace
Please read all instructions and warnings in this manual carefully before installation and operation. Failure to follow these instructions may result in electric shock, fire, or severe injury. Keep this manual for future reference.
- Always wear appropriate personal protective equipment, including eye protection, when working with batteries and electrical systems.
- Ensure all connections are tight and secure to prevent loose connections that can cause excessive heat and damage.
- Do not operate the charger in wet or damp podmínky.
- Ensure adequate ventilation around the charger to prevent overheating.
- Před prováděním jakékoli údržby nebo odstraňováním problémů odpojte všechny zdroje napájení.
- Do not attempt to disassemble or repair the charger yourself. Contact qualified service personnel.
2. Konec produktuview
2.1 Klíčové vlastnosti
- Všestranná kompatibilita baterií: The Renogy DC-DC charger is compatible with multiple alternator types and sub-battery types, including AGM, flooded, gel, and lithium-ion batteries.
- Smart 3-Stage Nabíjení: This battery charger charges the sub-battery from the starter battery using a 3-stage charging process (bulk, boost, float), ensuring optimal and automatic 100% charge.
- Main Battery Over-Discharge Protection: The DC-DC battery charger identifies whether the generator is running, preventing over-discharge of the starter battery and protecting the main battery.
- Zvýšená bezpečnost: Provides over-voltage protection, over-temperature protection, and reverse polarity protection, ensuring safe operation. It also isolates input and output to prevent voltage transmission errors and protect the house battery from overcharging.
- Odolný design: Features a compact and robust construction for reliable performance.
2.2 Rozměry produktu

The image above shows the Renogy DC-DC Charger with its dimensions: 31.1 cm length, 17.5 cm width, and 6.8 cm height.
2.3 Popis dílů

This diagram illustrates the various ports and indicators on the Renogy DC-DC Charger.
| # | Označit | Popis |
|---|---|---|
| 1 | Vstup (+) | Main Battery Positive |
| 2 | Vstup (-) | Main Battery Negative |
| 3 | Indikátor napájení | LED indikátor napájení |
| 4 | Indikátor chyb | Error Indicator LED |
| 5 | S1 S2 S3 S4 S5 | Battery Type Setting Switch (DIP Switches) |
| 6 | RJ11 | Temperature Sensor Connection Port |
| 7 | D+ | Signal Line Connection Port |
| 8 | LC | Current Limit Port |
| 9 | Výstup (+) | Sub-battery Positive |
| 10 | Výstup (-) | Sub-battery Negative |
3. Nastavení a instalace
3.1 Schéma připojení

This diagram illustrates the wiring connections for the DC-DC Charger in a typical RV setup, connecting to both the main (starter) battery and the sub-battery (house battery).
- DC-DC Charger ↔ Main Battery Wiring
- DC-DC Charger ↔ Sub-battery Wiring
- DC-DC Charger D+ Port ↔ Alternator D+ Terminal Wiring
Poznámka: All wiring requires separate purchase. Cables are not included with this product; please prepare them separately if needed.
3.2 Nastavení DIP přepínačů

The image shows the DIP switches used to configure the charger. By operating the 5 switches (S1-S5), you can adjust the battery type and charging voltage.
- S1 and S2: Set Absorption Voltage
- S3 and S4: Set Float Charge Voltage
- S5: Set Charging Mode
3.3 Výběr velikosti kabelu

Refer to this table for recommended cable sizes and fuse ratings based on your specific DC-DC charger model and cable length.
| Model | Kabel | Minimální velikost kabelu | Pojistka | |||
|---|---|---|---|---|---|---|
| DCC-1212-20 | Hlavní baterie | 0.61m 5.5sq | 2.44m 5.5sq | 4.88m 8.0sq | 9.75m 22sq | 30A |
| Sub-baterie | 0.61m 3.5sq | 2.44m 3.5sq | 4.88m 5.5sq | 9.75m 14sq | 25A | |
| DCC-1212-40 | Hlavní baterie | 0.61m 14sq | 2.44m 14sq | 4.88m 22sq | 9.75m 38sq | 60A |
| Sub-baterie | 0.61m 8.0sq | 2.44m 8.0sq | 4.88m 14sq | 9.75m 22sq | 50A | |
| DCC-1212-60 | Hlavní baterie | 0.61m 22sq | 2.44m 22sq | — | — | 90A |
| Sub-baterie | 0.61m 14sq | 2.44m 14sq | 4.8m 22sq | — | 75A | |
| D+/LC | 0.75~1.2SQ | |||||
3.4 D+ and LC Ports

The image highlights the D+ and LC ports on the charger.
- D+ Port: Connects to the alternator's D+ terminal for smart alternator detection.
- LC Port: By connecting to the LC port, the charging current can be limited by half. (Recommended cable size: 0.75~1.2SQ)
4. Provoz
4.1 3-Stage Proces nabíjení

The graph above illustrates the 3-stage charging process (Bulk, Absorption, Float) that fully charges the battery.
- Hromadně: Charges the battery at the maximum current until it reaches a set voltage.
- Vstřebávání: Nabíjení při konstantním objemutage, reducing current as the battery approaches full charge.
- Plovák: Maintains the battery at a constant, lower voltage to prevent self-discharge.
4.2 LED indikátory
The charger features LED indicators to communicate the charging status and battery type. Refer to the tables below for detailed explanations.
| Indikátor typu baterie | ||
|---|---|---|
| Barva | Postavení | Popis |
| Zelený | ON | SLA (výchozí) |
| Žluť | ON | GEL |
| Červený | ON | FLD (Zaplavený) |
| Modrý | ON | LI (lithium) |
| Bílý | ON | User (Requires BT-2 Module and Renogy DC Home App) |
| Indikátor servisní baterie | ||
|---|---|---|
| Barva | Postavení | Popis |
| Zelený | ON | Baterie je plná |
| Žluť | ON | Baterie voltage normální |
| Červený | ON | Podvolba baterietage |
| Červený | Pomalé blikání | Baterie je příliš vybitá |
| Červený | Rychlé blikání | Baterie nad objtage/přehřátí |
Poznámka: Indikátor nabíjení se může změnit za následujících podmínek:
- Červená až žlutá: Když svtage dosahuje 12.2 V pod voltage zotavení.
- Žlutá až červená: Když svtage klesne na 12.0 V pod voltage varování.
- Žlutá až zelená: A. Když dosáhne konstantního objemutage stav nabíjení, nabíjecí proud je menší než 3A, trvá 30 sekund; B. Když je nabíjecí proud vyšší než 3A, pokračuje v nabíjení, dokud nedosáhne konstantního napětítage stav a proud klesne pod 3A, trvá 30 sekund.
| Indikátor alternátoru / nabíjení | ||
|---|---|---|
| Barva | Postavení | Popis |
| Zelený | ON | Alternátor nabíjí servisní baterii |
| Červený | Pomalé blikání | PV nabíjí startovací baterii |
| VYPNUTO | Nenabíjí se | |
4.3 Alternator Type and Starting Battery Voltage
| Typ alternátoru | Starting Battery Voltage | |
|---|---|---|
| Zaříznutí | Přerušení | |
| Tradiční alternátor | >13.2V, for 15 seconds | <12.7V |
| Chytrý alternátor | >12.0V, for 15 seconds | <11.5V |
4.4 Charging Current Distribution (Solar + Alternator)
| Model | RBC30DIS | RBC50DIS |
|---|---|---|
| Pouze Solar | 30A | 50A |
| Only Alt | 30A | 50A |
| Solar + ALT | 15A + 15A | 25A + 25A |
When using both solar and alternator inputs, the current is split. For example, the RBC30DIS model will provide 15A from solar and 15A from the alternator, totaling 30A.
5. Údržba
Regular maintenance ensures optimal performance and longevity of your Renogy DC-DC Charger.
- Periodically check all wiring connections for tightness and corrosion. Clean any corroded terminals.
- Inspect the charger for any physical damage or signs of overheating.
- Ensure the area around the charger is free from dust and debris to maintain proper ventilation.
- Verify that the battery type settings are correct for your installed batteries.
6. Řešení problémů
If you encounter issues with your DC-DC Charger, refer to the following basic troubleshooting steps:
- Žádné napájení/LED diody nesvítí: Check all battery connections and fuses. Ensure the starter battery voltage is above the cut-in threshold.
- Indikátor chyby zapnutý: Refer to the LED Indicators section (4.2) for the specific error type (over-voltage, over-temperature, reverse polarity, etc.) and take corrective action.
- Baterie se nenabíjí: Verify that the correct battery type is selected using the DIP switches. Check solar panel connections and output, and ensure the alternator is functioning correctly.
- Reduced Charging Current: Ensure the LC port is not connected if full current is desired. Check cable sizes against recommendations in section 3.3.
For persistent issues, please contact Renogy customer support.
7. Specifikace
| Specifikace | Hodnota |
|---|---|
| Značka | RENOGIE |
| Barva | Černý |
| Rozměry produktu (D x Š x V) | 17.5 x 31.1 x 6.8 cm |
| Výstupní objemtage | 12 voltů |
| Normy shody | CE, RoHS |
| Jmenovitý proud | 60 Amps |
| Číslo modelu výrobce | RNG-DCC1212-60-JP |
| GTIN (globální identifikační číslo obchodu) | 00810009715924 |
| UPC | 810009715924 |
| Typ produktu | DC-DC nabíječka |
| Zahrnuté komponenty | Japanese Instruction Manual, DC-DC Charger Unit |
8. Oficiální video produktu
This video provides a visual guide on how to install and connect the Renogy DC-DC MPPT Charger, demonstrating connections to a starter battery, a lithium house battery, and a solar panel. It also covers setting battery types and understanding LED indicators for charging status.
9. Záruka a podpora
Tento produkt je dodáván s a 1letá záruka výrobce.
For any questions or support regarding your Renogy DC-DC Charger, please contact our customer service team:
- Telefon: 1-909-287-7111 (M-F 8:30am-5pm PST)
- Webmísto: https://www.renogy.com
- E-mail: podpora@renogy.com