Product Description
NOCO Genius GX4820 48V Battery Charger
The NOCO GX4820 is a professional grade 48 volt battery charger designed for industrial, commercial, and fleet environments. Built for both precision and reliability, this high-output charger delivers up to 20 amps of smart charging power, making it ideal for large 48V battery banks in golf carts and commercial equipment. Engineered with intelligent charging technology, the GX4820 automatically monitors battery condition and adjusts charging parameters for optimal performance and longevity. Its rugged design, advanced diagnostics, and simple user interface make it a dependable charging solution for technicians, maintenance departments, and operators who need fast turnaround and consistent results from their equipment batteries.
Features & Benefits
- 20 Amp Charging – High efficiency charging to reduce downtime and restore batteries quickly.
- Multi-Stage Charging – Intelligent charging automatically optimizes voltage and current to maximize battery life.
- Maintenance Plus – Monitors and maintains the charge to ensure equipment is always ready.
- Repair Mode – Corrects battery sulfation to maintain battery health and extend battery lifespans.
- 48V Power Supply – DC power supply mode provides steady voltage at up to 10 amps.
- Multi-Chemistry – Designed to quickly but safely charge flooded, AGM, Gel, and lithium batteries.
- Industrial-Grade – Durable construction ensures dependable operation in shop and warehouse environments.
- LED Status Indicators – Clear visual indicators allow operators to quickly verify charging status.
- Inhibit Feature – Disables vehicle when charging (inhibit equipped vehicles only).
- IP66 Rated – Waterproof design for marine environments and other wet applications.
- Mountable – Built-in mounting holes for convenient onboard charging year-round.
GX4820 Industrial Charging Solution
The GX4820 is built for operations where reliability matters. Whether used in maintenance shops, warehouses, manufacturing facilities, or service fleets, this charger provides the dependable performance required to keep equipment batteries ready for work. Its intelligent charging process protects batteries from overcharging while delivering the power needed to restore capacity efficiently. Professionals choose NOCO chargers because they combine advanced charging technology with rugged, real-world durability. With its powerful output, intelligent control system, and dependable construction, the GX4820 is a practical and long-lasting charging solution for any operation running 48 volt equipment.
Why Choose a NOCO Battery Charger?
NOCO Genius battery chargers deliver smart, reliable charging designed to protect and extend the life of your batteries. Using advanced multi-stage charging technology, NOCO chargers automatically adjust power output to safely charge and maintain AGM, flooded, gel, and lithium batteries without the risk of overcharging or damage. Built for durability and trusted by professionals and enthusiasts alike, NOCO chargers provide fast recovery of depleted batteries, long-term maintenance for stored equipment, and dependable performance that keeps your batteries ready whenever you need them.
| Voltage | 48V |
| Peak Current | 20 Amps |
| Battery Types | Flooded, AGM, Gel, CA, EFB, MF, Li-ion, LiFePO4 |
| Charging Voltage | Varies by Battery Type |
| Battery Capacity (Charging) |
Up to 425 Ah |
| Battery Capacity (Maintaining) |
All Sizes |
| Power Supply Mode Voltage |
54.4 Volts |
| Power Supply Mode Amps |
10 Amps |
| Width | 11.97" (304 mm) |
| Height | 8.46" (215 mm) |
| Depth | 3.94" (100 mm) |
| Weight | 13.2 lbs (5.98 kg) |
| AC Input Cord | 76 Inches |
| Charging Cables | 76 Inches |
| Protection Rating | IP66 |
| Input Power | 100-240 VAC |
| Warranty | 1 Years |
NOCO GX4820 Manual
NOCO GX4820 Datasheet
NOCO GX4820 Warranty Information
What's In The Box
- NOCO GX4820 48V Industrial Battery Charger
- 76" Charging Cable with HD Eyelets
- 76" AC Power Cord with Type B Plug (US)
- User Guide & Warranty Information