Before Getting Started The quick guide provides important operation and maintenance instructions for REGO 12V/24V 50A IP67 Dual Input DC-DC On-Board with MPPT Battery Charger (hereinafter referred to as battery charger). Read the quick guide carefully before operation and save it for future reference. Failure to observe the instructions or precautions in the quick guide can result in electrical shock, serious injury, or death, or can damage the battery charger, potentially rendering it inoperable.
What's In the Box? REGO 12V/24V 50A IP67 REGO Dual Input DC-DC On-Board Dual Input DC-DC On-Board with MPPT Battery Charger ST4*20 mm 12V/24V 50A IP67 RBC2125DS-21W VERSION A0 with MPPT Battery Charger × 1 QUICK GUIDE Quick Guide × 1 Mounting Screws x 4 Battery Temperature 5/16 in Lugs...
Page 5
Dimensions 12 in (305 mm) 4.84 in (123 mm) 4.06 in (103 mm) 1.46 in (37 mm) 0.2 in (5 mm) 4.72 in (120 mm) 6.5 in (165 mm) 7 in (178 mm) Dimension tolerance: ±0.2 in (0.5 mm)
Page 6
Get to Know REGO Battery Charger Battery Type Setting Button Battery Type Indicator Solar Charging Indicator Auxiliary Battery Indicator Alternator Charging Indicator...
Page 7
Positive Starter Battery Cable (red) CAN Communication Ports Negative Common Cable (black) The battery temperature sensor cable can only be used with lead-acid batteries. For CAN Communication Ports wiring details, refer to the REGO Battery Charger User Manual https:/ /www.renogy.com/support/downloads.
Page 8
REGO Battery Charger System Setup Positive Temperature Negative Communication Solar Panel (s) Auxiliary Battery (12V / 24V) Starter Battery DC-DC Battery Charger RV-C or REGO Series Devices...
Required Tools Phillips Screwdriver (#1) Insulating Gloves Wire stripper Insulation Tape Heat Gun Heat Shrink Tubing Measuring Tape Manual Hydraulic Pliers Prior to installing and configuring the battery charger, prepare the recommended tools, components, and accessories.
Page 10
How to Install the 5/16 in Lugs (M8 Ring Terminals)? 0.4 in Heat (10 mm) Shrink Tubing Bare Wires...
Page 11
附带的 5/16 in Lugs (M8 Ring Terminals)用于连接 Auxiliary Battery.
Page 12
如何将Cables连接到REGO Battery Charger 本指南以Positive Auxiliary Battery Cable (brown)并采用扭绞方式接线为例。 0.4 in 0.4 in (10 mm) (10 mm) Battery Bare Charger Wires 接线前请Wear Insulating Gloves. 允许使用绝缘套管、接线盒或焊接方式接线。若battery charger安装在户外,接线处需注意 防水。 所有设备正极接线完成后,再Tape over the Negative Common Cable (black) of cutoff areas.
Page 13
Step 1. Plan a Mounting Site The battery charger requires adequate clearance for installation, wiring and ventilation. The minimum clearance is provided below. 5.91 in (150 mm) 5.91 in 5.91 in (150 mm) (150 mm) 5.91 in (150 mm) -31°F to 176°F 0% to 95% -35°C to 80°C FRAGILE...
Page 14
(11V to 32V) (60A) × 1 (4 AWG) × 2 Accessories marked with “*” are available on renogy.com. For installation details, see the user manual of the battery in use. The battery charger can only be connected to deep-cycle gel-sealed lead-acid batteries (GEL), flooded lead-acid batteries (FLD), sealed lead-acid batteries (SLD/AGM)
Page 15
STEP-1 Install cables on the battery charger Battery Battery Adapter Negative Charger Cable Common Bare Cable Wire STEP-2 Install an ANL fuse Battery Adapter Bare Wire Cable ANL Fuse (60A) Battery Adapter STEP-3 Install the cables on the battery Cable Auxiliary Battery...
Page 16
*Solar Panel Fuse *Solar Panel Extension Cables (4 AWG) × 2 Accessories marked with “*” are available on renogy.com. Connecting the battery charger to a solar panel (s) exceeding 720W (≤50V) results in damage to the battery charger. battery charger连接12V电池时,solar panel (s)最大充电电流为50A;连接24V电池时,...
Page 17
STEP-1 Install cables on the battery charger Solar Panel Battery Negative Solar Panel Extension Charger Common Extension Cable Cable Cable STEP-2 Install an solar panel fuse Solar Panel Extension Solar Panel Extension Cable Solar Panel Fuse Cables Solar Panel Fuse STEP-3 Install the cables on the Solar Panel (s) Solar Panel (s)
Page 18
Recommended Components & Accessories 3/8 in (M10) *ANL Fuse Battery Adapter Cables Bare Wire (4 AWG) × 1 (100A) × 1 (4 AWG) × 2 Accessories marked with “*” are available on renogy.com. 启动电池接线方式请以实际为准,本指南以3/8 in Lugs (M10 Ring Terminals)为例。 启动电池电压低于12.7V(12V系统)/25.4V(24V系统)时,启动电池停止给生活电池充电。...
Page 19
STEP-1 Install cables on the battery charger Battery Battery Adapter Negative Charger Cable Common Bare Cable Wire STEP-2 Install an ANL fuse Battery Adapter Bare Wire Cable ANL Fuse (100A) Battery Adapter STEP-3 Install the cables on the RV starter battery Cable Starter Battery...
Page 20
Step 5. Tape over the Negative Common Cable of cutoff areas Negative Common Cable Starter Battery Solar Panel (s) Auxiliary Battery...
Page 21
Step 6. Install a Battery Temperature Sensor The temperature sensor measures the surrounding temperature of the battery and compensates the floating charge voltage when the battery temperature is low. Do not use the temperature sensor on a LiFePO4 (LFP) battery which comes with a battery management system (BMS).
LED Indicators battery charger通电后自动开机,LED灯将根据工作状态点亮。 Solar Charging Indicator Battery Type Indicator Solid: FLD Off: 没有充电 Solid: GEL Solid: MPPT充电 Solid: SLD/AGM Slow flash (2s): 提升充电 Solid: 12V LI 单闪: 浮充充电 Solid: 24V LI Fast flash (0.5s): 均衡充电 Solid: User Mode 双闪: 限流充电 Auxiliary Battery Indicator Off: No battery detected Alternator Charging Indicator...
Page 23
Set a Battery Type Upon installing the battery charger, set a correct battery type by using the Battery Type Setting Button. 对于非锂电池,battery charger可自动识别其电压(12V or 24V)。 It is essential to ensure that the battery type setting is configured correctly to avoid any potential damage to the battery charger because any damage to the battery charger resulting from an incorrect battery type setting voids the warranty.
Page 24
Setting the battery type to User Mode allows you to customize your battery parameters. You can modify the parameters in the DC Home app. 自定义参数时,请Read the user manual of the specific battery or contact the battery manufacturer for help if necessary. battery charger预设参数以及可设置参数详细内容请访问renogy.com查看user manual.
Page 25
To ensure optimal system performance, keep the phone or RENOGY ONE within 10 feet (3 m) of the battery charger. You can receive fault alarms on DC Home and Renogy ONE when the battery charger is faulty. Please login to the DC Home app or Renogy ONE for troubleshooting details.
Page 26
Short-Range Monitoring via DC Home App Pair the battery charger with the DC Home app. Monitor and modify the parameters of the battery charger via the app. My Renogy My Renogy HUB Mode Searching for device Time remaining Please make sure: 1.
Page 27
Wireless Long-Range Monitoring Recommended Components *RENOGY ONE Core or Renogy ONE M1 Internet My Renogy Devices Battery Controller RBT12400LFPL-... DC-DC Device Scene Community...
Important Safety Instructions General Wear proper protective equipment and use insulated tools during installation and operation. Do not wear jewelry or other metal objects when working on or around the battery charger. Keep the battery charger out of the reach of children. Do not dispose of the battery charger as household waste.
Page 29
Keep the battery charger away from heating equipment. Do not insert foreign objects into the battery charger. Confirm the polarities of the devices before connection. A reverse polarity contact can result in damage to the battery charger, thus voiding the warranty. Do not touch the connector contacts while the battery charger are in operation.
Page 30
Renogy Support To discuss inaccuracies or omissions in this quick guide or user manual, visit or contact us renogy.com/support/downloads contentservice@renogy.com Questionnaire Investigation To explore more possibilities of solar systems, visit Renogy Learning Center at: renogy.com/learning-center...
Page 31
For technical questions about your product in the U.S., contact the Renogy technical support team through: 1(909)2877111 renogy.com/contact-us For technical support outside the U.S., visit the local website below: Canada ca.renogy.com China www.renogy.cn Australia au.renogy.com Japan renogy.jp South Korea Germany kr.renogy.com...
FCC Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference received, including interference that may cause undesired operation.
Page 34
Renogy is not responsible or liable for any failure, damage, or injury resulting from repair attempts by unqualified personnel, improper installation, and unsuitable operation.
Page 35
Renogy Empowered Renogy aims to empower people around the world through education and distribution of DIY-friendly renewable energy solutions. We intend to be a driving force for sustainable living and energy independence. In support of this effort, our range of solar products makes it possible for you to minimize your carbon footprint by reducing the need for grid power.
Page 36
Renogy Power PLUS Renogy Power Plus allows you to stay in the loop with upcoming solar energy innovations, share your experiences with your solar energy journey, and connect with like-minded people who are changing the world in the Renogy Power Plus community.
Need help?
Do you have a question about the REGO RBC2125DS-21W and is the answer not in the manual?
Questions and answers