The RHOX 48V 15A Lead Acid Battery Charger, model CGR-630 (CHGR-4815-LA), is a smart charger designed for lead-acid batteries, offering an economic, high-quality solution for maintaining battery health. This charger is built for durability and efficiency, featuring a compact design and active cooling with a fan to ensure optimal performance.
Function Description:
The primary function of the CGR-630 is to charge 48V lead-acid batteries. It employs a sophisticated 5-stage charging program to optimize battery life and performance. These stages include:
- Pre-charge: Prepares the battery for the main charging cycle.
- Constant Current Mode 1: Delivers a steady current to rapidly charge the battery.
- Constant Current Mode 2: Continues charging at a constant current, typically at a lower rate than Mode 1.
- Constant Voltage: Maintains a steady voltage to fully charge the battery without overcharging.
- Float Mode Charging: Keeps the battery at an optimal voltage to counteract self-discharge, ensuring it remains topped off.
Additionally, the charger incorporates a 15-day recharge feature, which automatically recharges the battery to maintain its full capacity, preventing sulfation and extending battery longevity.
Important Technical Specifications:
DC Output:
- Maximum DC output voltage: 58.8V
- Maximum DC output current: 15A
- Maximum DC output power: 850W
- Nominal DC output current: 15A @ 110VAC, 15A @ 220VAC
- Battery type: Lead Acid 48V ONLY
- AC input voltage range: 85-265VAC (With 16AWG IEC C13/C14 Connector)
- Nominal AC input voltage: 100-240VAC
- Nominal AC input frequency: 50/60Hz
- Maximum AC input current: 10A~110VAC, 5A~220VAC
- Nominal AC input current: 6A~110VAC, 3A~220VAC (Float mode <1A)
- Power factor: >0.9pf
Mechanical:
- Dimensions (LWH): 28.2 x 12.97 x 7.3 cm (11.1 x 5.1 x 2.87")
- Weight: 7 lbs (3.2 kg) (Including charger, AC cable only, DC cable separate)
- Cooling: Active cooling with fan
Environmental:
- Enclosure: IP66 (Ingress Protection rating, indicating it is dust-tight and protected against powerful water jets)
- Humidity: 5% – 95%
- Operating temperature: -20°C to +65°C (-4°F to 149°F), derated at >40°C (104°F)
- Storage temperature: -40°C to +85°C (-40°F to 185°F)
Usage Features:
The CGR-630 charger is designed for ease of use with clear LED indicators for status monitoring. It ships with a short cord SB50 GREY quick disconnect, and vehicle-specific cords for Club Car, E-Z-GO, and Yamaha are available separately. Users are advised to ensure SB50 QD connectors are tight and to observe polarity carefully.
LED Status Explanation:
The charger provides visual feedback through an LED indicator, allowing users to quickly understand its operational status:
- LED solid green: Indicates the charger is ready to charge or charging is complete.
- Red or yellow or green light blinks one time per second:
- Red light: State of Charge (SOC) < 80%
- Yellow light: SOC < 90%
- Green light: SOC < 100%
- Red light blinking quickly: Indicates an input power failure.
- Red and Green light blinks alternately: Signals a short circuit or reversed polarity connection.
- Red light blinks 2 times, interval 1 second, blinks 2 times again: Alerts to a charger temperature over-heating alarm.
- Red light blinks 3 times, interval 1 second, and then blinks 3 times: Indicates an output over-current alarm.
- Red light blinks 4 times, interval 1 second, then blinks 4 times: Signals an output over-voltage alarm.
Safety and Protection Features:
The charger incorporates multiple protection mechanisms to ensure safe operation and prevent damage to both the charger and the battery:
- Overload protection: Prevents the charger from drawing excessive current.
- Over-voltage protection: Safeguards against output voltage exceeding safe limits.
- Over-heating protection: Shuts down the charger if internal temperatures become too high.
- Short circuit protection: Automatically cuts off power in case of a short circuit.
- Reverse polarity protection: Prevents damage if the battery is connected incorrectly.
Maintenance Features:
While the manual does not detail specific maintenance procedures for the charger itself, it emphasizes practices that contribute to its longevity and safe operation:
- Unrestricted airflow: Users must ensure that there is unrestricted airflow to and from the charger's cooling slots. The charger should never be placed on a carpet or similar surface that could obstruct ventilation.
- Proper connection: Always ensure SB50 QD connectors are tight and polarity is correctly observed to prevent issues.
- Environmental considerations: The charger should not be submerged in liquids and should not be operated in the vicinity of flammable materials or gas.
- Circuit capacity: Avoid overloading AC circuits; the charger may require a full 15-amp circuit.
- Battery manufacturer instructions: Users are strongly advised to read and strictly adhere to the battery manufacturer's instructions for charging and maintenance, as this directly impacts the charger's effective use and battery health.
The manual also includes a "Recycle Electronic Component" symbol, indicating that the device should be recycled responsibly at the end of its life. Furthermore, it carries a California Proposition 65 warning, informing users that the product may contain chemicals known to cause cancer or birth defects, and directs them to www.P65Warnings.ca.gov for more information.
In summary, the RHOX CGR-630 is a robust and intelligent charging solution for 48V lead-acid batteries, designed with user convenience, safety, and battery longevity in mind. Its comprehensive charging program, protective features, and clear status indicators make it a reliable choice for maintaining golf cart and similar lead-acid battery systems.
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