Product Description
UY-120 48V 2A Lithium Battery Charger – 58.8V Output for 14S Li-NCM Packs
🔋 48V Lithium (14S NCM)
⚡ 58.8V / 2A
🔌 DC 2.1×5.5mm Jack
🏭 Compact Aluminum Shell
✅ CE & ROHS Certified
⚡ 58.8V / 2A
🔌 DC 2.1×5.5mm Jack
🏭 Compact Aluminum Shell
✅ CE & ROHS Certified
The UY-120 48V 2A Lithium Battery Charger is a compact, high-efficiency charging solution specifically designed for 14S Lithium-ion (Li-NCM) battery packs (nominal 48V, full charge 58.8V). Delivering a precise 58.8V output voltage and 2A constant current, it features a three-stage smart charging algorithm (CC/CV/trickle) to ensure complete and safe charging without overcharging. The rugged aluminum alloy housing provides excellent heat dissipation and durability. Ideal for e-bikes, electric scooters, portable power stations, and DIY 48V lithium battery projects.
⚠️ !!! Please check the connector type carefully. This charger comes with a DC 2.1×5.5mm barrel jack. Verify that your battery pack or device has a compatible input (center positive, 2.1mm inner diameter) before purchasing. Custom DC connectors are available upon request.
⚙️ Technical Specifications
🔌 Input & Output
Input: 100-240VAC, 50/60Hz
Output Voltage: 58.8V (for 14S Li-NCM)
Output Current: 2A
Charging Power: ≈ 117.6W
Input: 100-240VAC, 50/60Hz
Output Voltage: 58.8V (for 14S Li-NCM)
Output Current: 2A
Charging Power: ≈ 117.6W
📏 Physical & Environment
Dimensions: 135 × 90 × 50 mm
Housing: Aluminum alloy (die-cast)
Working Temp: -5°C ~ +40°C
Storage Temp: -40°C ~ +70°C
Dimensions: 135 × 90 × 50 mm
Housing: Aluminum alloy (die-cast)
Working Temp: -5°C ~ +40°C
Storage Temp: -40°C ~ +70°C
⚡ Charging Mode & Efficiency
Mode: 3-stage: Constant Current → Constant Voltage → Trickle (Float)
Efficiency: ≥85% (full load), peak >90%
Cooling: Natural convection via aluminum housing
Mode: 3-stage: Constant Current → Constant Voltage → Trickle (Float)
Efficiency: ≥85% (full load), peak >90%
Cooling: Natural convection via aluminum housing
🛡️ Protections & Certifications
✔ Short circuit protection
✔ Overcurrent protection
✔ Overvoltage protection
✔ Reverse polarity protection (optional)
✔ CE, ROHS certified
✔ Short circuit protection
✔ Overcurrent protection
✔ Overvoltage protection
✔ Reverse polarity protection (optional)
✔ CE, ROHS certified
📋 Detailed Specifications
| Model | UY-120 |
|---|---|
| Battery Type | Lithium-ion (Li-NCM) – 14S configuration |
| Suitable Battery Voltage | 48V nominal (58.8V charging voltage) |
| Output Voltage (CV) | 58.8V ±0.2V |
| Output Current (CC) | 2A ±5% |
| Output Connector | DC 2.1×5.5mm barrel jack (center positive, customizable) |
| Input Voltage Range | 100-240VAC, 50-60Hz |
| Charging Algorithm | 3-stage: constant current → constant voltage → trickle/float |
| Efficiency | ≥85% @ full load, up to 90% typical |
| Operating Temperature | -5°C to +40°C |
| Storage Temperature | -40°C to +70°C |
| Housing Material | Aluminum alloy (die-cast), durable & heat-dissipating |
| Certifications | CE, ROHS |
| Customization | AC power cord length/plug type, DC connector (2.1×5.5mm or others) available on request |
🌟 Key Features & Benefits
- Three-stage intelligent charging – constant current (CC), constant voltage (CV), and trickle/float mode ensure a full charge while preventing overcharging, extending battery lifespan.
- High-precision voltage/current lock – maintains accurate 58.8V cutoff and 2A current regulation for safe 14S Li-ion charging.
- Multiple safety protections – built-in short circuit, overcurrent, overvoltage, and optional reverse polarity protection for complete peace of mind.
- Compact & lightweight aluminum shell – dimensions only 135×90×50mm, excellent heat dissipation, robust and modern.
- High efficiency (>90% peak) – reduces energy waste, stays cool, and environmentally friendly.
- LED indicator display – clear visual status (red = charging, green = full / standby).
- Global input & customization – 100-240VAC works worldwide. AC cord and DC connector can be tailored to your specific requirements.
- CE & ROHS certified – meets international safety and environmental standards.
🔋 Common Applications
🛴 Electric Scooters & E-Bikes
Perfect for 48V (14S) lithium battery packs used in personal mobility devices.
Perfect for 48V (14S) lithium battery packs used in personal mobility devices.
⚡ Portable Power Stations
Maintains 48V Li-ion battery banks in solar generators and DIY power walls.
Maintains 48V Li-ion battery banks in solar generators and DIY power walls.
🤖 Robotics & Small EVs
Compact size fits into robotic platforms, hoverboards, and light electric vehicles.
Compact size fits into robotic platforms, hoverboards, and light electric vehicles.
🔧 DIY Battery Projects
Ideal for hobbyists building or maintaining 14S Li-ion battery packs.
Ideal for hobbyists building or maintaining 14S Li-ion battery packs.
💡 Customization options: The UY-120 charger can be tailored to your needs – choose different AC plug standards (US, EU, UK, AU, etc.), adjust AC cable length, or replace the DC 2.1×5.5mm jack with other connectors (DC 2.5×5.5mm, XLR, Anderson, etc.). Contact our sales team for bulk orders or OEM/ODM requests.
