1. Introducció i finalview
This manual provides essential information for the safe and efficient operation of your RecPro 125 Amp RV Power Converter and Battery Charger (Model RP-9885-125C4). This unit is designed to convert 110V AC power to 12V DC power for your RV equipment and to charge various battery types using a 4-stage smart charging process.
Les característiques clau inclouen:
- Converts 110V AC to 12V DC for reliable power supply.
- Whisper-quiet operation with a temperature-controlled cooling fan.
- 4-Stage Smart Charging (Fast Charge, Standard Charge, Trickle Charge, Equalization Charge) to preserve battery health and extend life.
- Compatibility with both Lead-Acid and Lithium battery types.
- Three fixed output modes: 13.0V, 14.6V, and 16.5V for versatile applications.
- Built-in protection against reverse polarity, overload, and thermal issues.

2. Informació de seguretat
WARNING: Risk of electric shock. Do not remove cover; no user serviceable parts inside. Refer servicing to qualified service personnel. Do not touch non-insulated portions of battery connections. To reduce risk of electric shock, do not expose to rain or spray. This equipment employs components that tend to produce arcs or sparks. To prevent fire or explosion, do not install in compartments containing batteries or flammable materials.
CAUTION: To prevent fire, do not cover or obstruct ventilation openings. Do not mount in zero clearance compartments, as this may cause the equipment to overheat.
- Always disconnect AC power before making or breaking any connections.
- Assegureu-vos una ventilació adequada al voltant de la unitat per evitar el sobreescalfament.
- Use appropriate wire gauges for all connections as specified in the installation section to prevent overheating and ensure efficient operation.
- Verify correct polarity when connecting to batteries to avoid damage to the unit and batteries.

3. Característiques del producte
The RecPro 125 Amp RV Power Converter and Battery Charger is engineered with advanced features to ensure optimal performance and battery longevity:
3.1. 4-Stage Càrrega intel·ligent
This unit incorporates a sophisticated 4-stage charging algorithm to efficiently charge and maintain your batteries:
- Normal Charge: Carrega la bateria ràpidament fins a aproximadament el 90% de la seva capacitat.
- Augment de la càrrega: Augmenta el voltage to ensure a full charge and equalizes cells.
- Trickle Charge (Float): Maintains the battery at a safe voltage, preventing overcharging and self-discharge.
- Equalization Charge (Desulfation): Aplica periòdicament un volum més alttage to break down sulfate crystals, extending battery life, especially for lead-acid batteries.
3.2. Versatile Output Modes
The converter offers three selectable fixed output modes to suit various applications and battery types:
- 13.0 V: Ideal for general 12V DC power supply without battery charging.
- 14.6 V: Recommended for charging most Lead-Acid and Lithium batteries.
- 16.5 V: Used for specific battery types or equalization processes, consult your battery manufacturer's specifications.
3.3. Built-in Protections
For enhanced safety and durability, the unit includes:
- Protecció de polaritat inversa: Guards against damage from incorrect battery connections.
- Protecció de sobrecàrrega: Prevents damage due to excessive current draw.
- Protecció tèrmica: Shuts down the unit if internal temperatures become too high.


4. Configuració i instal·lació
The RecPro power converter is designed for straightforward installation and can serve as a direct replacement for many older converter models. It is suitable for RV, automotive, boat, and other 12V power applications.
4.1. Muntatge
Mount the unit in a dry, well-ventilated area. Ensure that the ventilation openings are not obstructed to allow for proper airflow and cooling. Avoid mounting in zero-clearance compartments or areas with flammable materials.
4.2. Connexions de cablejat
All wiring should be performed by a qualified technician to ensure safety and compliance with local electrical codes.
- Entrada de CA: Connect the 110V AC input power cord to a suitable AC power source.
- Sortida de corrent continu: Connect the DC output terminals to your 12V DC distribution panel or directly to your battery bank.
- Mesura de filferro: Per al 125 Amp model, it is critical to use appropriate heavy-gauge wiring for DC connections to handle the high current. Refer to industry standards for 125 Amp applications, typically 0 AWG or 1 AWG, depending on cable length. Ensure connections are secure and tight.
- Polaritat: Double-check that positive (+) connections are made to positive terminals and negative (-) connections to negative terminals.
The unit features easy-to-connect hookups for simplified wiring.

5. Instruccions de funcionament
5.1. Encès
Once all connections are securely made and verified, connect the AC input power. The unit will automatically begin operating.
5.2. Output Mode Selection
The converter typically defaults to a standard charging voltage (e.g., 14.6V). If your model allows for manual selection of the 13.0V, 14.6V, or 16.5V output modes, refer to the specific controls on your unit. Ensure the selected voltage is appropriate for your connected batteries or 12V system.
5.3. Llum indicador LED
The LED indicator light on the unit provides status information:
- Llum verda: Indicates normal operation and charging.
- Llum vermella: May indicate a fault condition, such as reverse polarity or overload. Refer to the troubleshooting section.
5.4. Cooling Fan Operation
The internal cooling fan is temperature-controlled and will activate automatically when needed to maintain optimal operating temperatures. Its quiet operation ensures minimal disturbance.
6. Manteniment
The RecPro Power Converter is designed for a maintenance-free operation. However, periodic checks are recommended to ensure continued optimal performance and safety:
- Ventilació: Regularly inspect the unit's ventilation openings to ensure they are clear of dust, debris, or obstructions. Clean as necessary.
- Connexions: Periodically check all AC and DC wiring connections for tightness and signs of corrosion. Loose or corroded connections can lead to poor performance or safety hazards.
- Medi ambient: Ensure the operating environment remains dry and within recommended temperature ranges.
Do not attempt to open the unit or perform internal repairs. Refer all servicing to qualified personnel.
7. Solució De Problemes
If you encounter issues with your RecPro Power Converter, refer to the following common troubleshooting steps:
| Problema | Causa possible | Solució |
|---|---|---|
| Unit not powering on / No DC output | No AC input power, tripped circuit breaker, loose connections. | Check AC power source. Reset any tripped circuit breakers. Verify all wiring connections are secure. |
| L'indicador LED és vermell | Reverse polarity, overload, internal fault. | Immediately disconnect power. Check DC connections for correct polarity. Reduce load on the 12V system. If the issue persists, contact support. |
| Unit overheats / Fan runs constantly | Obstructed ventilation, excessive ambient temperature, prolonged high load. | Ensure ventilation openings are clear. Relocate the unit to a cooler area if possible. Reduce the load on the 12V system. |
| Low or no charging current to batteries | Incorrect output mode selected, battery issues, undersized wiring, loose connections. | Verify the correct output mode is selected for your battery type. Check battery health. Ensure DC wiring is of adequate gauge and connections are tight. |
| La unitat fa sorolls inusuals | Loose components, fan malfunction, internal fault. | Disconnect power immediately. Do not attempt to open. Contact qualified service personnel. |
If troubleshooting steps do not resolve the issue, contact RecPro customer support for further assistance.
8. Especificacions
Detailed technical specifications for the RecPro 125 Amp RV Power Converter and Battery Charger (Model RP-9885-125C4):
| Especificació | Valor |
|---|---|
| Marca | RecPro |
| Número de model | RP-9885-125C4 |
| Ampedat | 125 A |
| Entrada Voltage | 105-130V AC |
| Vol. De sortidatage (Seleccionable) | 13.0 V, 14.6 V, 16.5 V CC |
| Carregant Stages | 4-Stage (Normal, Boost, Trickle/Float, Equalization/Desulfation) |
| Compatibilitat de la bateria | Lead-Acid, Lithium |
| Dimensions de l'article (L x A x A) | 9.5 x 7.8 x 3.5 polzades |
| Pes de l'article | 3.5 lliures |
| Material | Acer d'aliatge, metall |
| Color | Gris |
| UPC | 193652043584 |

9. Garantia i Suport
For information regarding the product warranty, please refer to the documentation included with your purchase or visit the official RecPro weblloc. Els termes i condicions de la garantia poden variar.
If you require technical assistance, have questions about installation, or need to report a product issue, please contact RecPro customer support through their official channels. Provide your model number (RP-9885-125C4) and purchase details when seeking support.