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52V 50Ah Lithium Battery | Samsung 21700 | Smart BMS | Fast Charger

52V 50Ah Premium Lithium Battery

Samsung 21700 50G Cells • Smart BMS • Fast Charging • Bluetooth App

This high-performance 52V 50Ah lithium battery is built with 140 genuine Samsung 21700 50G cells in a 14S10P configuration. Designed for e-bikes, scooters, and electric vehicles, it delivers reliable power and extended range.

Features a smart BMS with Bluetooth connectivity for real-time monitoring via smartphone app. Includes a 58.8V 10A fast smart charger and is housed in a durable metal enclosure.

Specifications

Voltage & Capacity: 52V 50Ah (2600Wh)
Cell Configuration: 14S10P (140 cells)
Battery Cells: Samsung 21700 50G (Original)
BMS System: Smart BMS with Bluetooth
Display: Built-in capacity screen
Charger Included: 58.8V 10A fast smart charger
Housing: Metal enclosure
Applications: E-bikes, scooters, EVs, DIY projects
Samsung 21700 50G Cell - Technical Specifications
Samsung 21700 50G Battery Cell
Original Samsung INR21700-50G Specifications
Basic Specifications
Model
INR21700-50G
Capacity
5000mAh (5.0Ah)
Voltage
3.6V Nominal
Chemistry
NMC Lithium-ion
Performance
Continuous Discharge
9.8A (2C)
Max Discharge
15A (3C)
Standard Charge
2.5A (0.5C)
Cycle Life
500+ cycles
In Your Battery Pack (140 cells)
Configuration: 14S10P
Total Capacity: 50Ah (14 × 5Ah × 10)
Total Energy: 2600Wh (2.6kWh)
All cells are carefully matched
Smart Battery Management System (BMS) - Protection & Current Options

Intelligent Battery Management System (BMS)

Advanced protection and monitoring system for your lithium battery pack

🔋

Cell Voltage Protection

Monitors each cell individually, prevents overcharge (above 4.25V) and over-discharge (below 2.5V), ensuring balanced cell performance and extended lifespan.

🌡️

Temperature Control

Built-in thermal sensors monitor battery temperature, automatically cutting off power in case of overheating or extreme cold conditions.

Current Protection

Protects against over-current and short circuits, with configurable current limits suitable for different motor power requirements.

📱

Smart Monitoring

Bluetooth connectivity allows real-time monitoring of battery status via smartphone app, including voltage, temperature, and cycle count.

Choose the Right BMS for Your Motor Power

40A BMS
For 1500W Motors
Ideal for standard e-bikes and scooters
50A BMS
For 2000W Motors
Perfect for high-performance e-bikes
60A BMS
For 2500W Motors
Designed for powerful electric motorcycles
80A BMS
For 3000W+ Motors
Maximum power for high-demand applications

Technical Specifications

Communication: Bluetooth 4.0/5.0
Voltage Range: 14S (48V-58.8V)
Balance Current: 60mA per cell
Operating Temp: -20°C to 60°C
Protection Delay: Configurable 0-5 seconds
App Compatibility: iOS & Android
Smart BMS APP Control - Real-time Monitoring & Remote Management

Smart BMS with Bluetooth APP Control

Monitor battery status in real-time and control charging/discharging remotely via smartphone

Real-time Monitoring

  • Individual cell voltage display
  • Real-time temperature monitoring
  • Battery capacity & remaining power
  • Current charge/discharge status
  • Cycle count and battery health
  • Cell balance status

Data & History

  • Charge/discharge history logs
  • Performance analytics
  • Error and warning history
  • Usage statistics
  • Battery lifespan prediction
  • Data export capability

Remote Control Functions

🔋
Charge Control

Start/stop charging remotely, set charging limits, and monitor charging progress in real-time.

Discharge Control

Enable/disable battery output, set discharge current limits, and manage power delivery.

🔄
System Settings

Adjust protection parameters, customize alarms, and configure battery management settings.

🔔
Alerts & Notifications

Receive instant alerts for abnormal conditions and custom notification settings.

Metal Battery Enclosure - Superior Protection & Premium Design

Premium Metal Battery Enclosure

Advanced protection and durable design for your lithium battery pack

🛡️

Impact & Drop Protection

High-strength aluminum alloy construction provides superior resistance against physical impacts, accidental drops, and vibration damage. Rigid metal structure prevents internal cell damage during transportation and daily use.

💧

Water & Dust Resistance

Precision-engineered seams and gasket seals protect against moisture, dust, and debris. Metal construction prevents water intrusion better than plastic cases, ensuring reliable operation in various weather conditions.

🌡️

Thermal Management

Metal housing acts as an effective heat sink, dissipating heat evenly and preventing hot spots. Superior thermal conductivity helps maintain optimal operating temperatures for extended battery life.

Enclosure Specifications

Material

High-grade aluminum alloy with protective coating

Impact Resistance

Withstands drops from up to 1.0 meters onto hard surfaces

Weather Protection

IP54 rated - protected against dust and water splashes

Construction

Reinforced corners and shock-absorbing mounts

Battery Capacity Display - Real-time Monitoring Screen

Built-in Battery Capacity Display

Real-time monitoring at a glance - Know your battery status instantly

Voltage Monitoring

Display shows real-time battery voltage (52V nominal), allowing you to monitor power output stability and detect any voltage anomalies immediately. Essential for preventing over-discharge damage.

🌡️

Temperature Display

Monitor battery temperature in real-time to prevent overheating. Display shows both current temperature and alerts when temperatures approach safety limits.

🔋

Capacity Percentage

Accurate remaining power percentage (0-100%) provides precise range estimation. No more guessing about how much power you have left for your journey.

Display Information Details

Real-time Voltage

Shows actual battery voltage from 58.8V (full) to 42V (empty) with 0.1V precision

Temperature Readings

Displays current temperature in Celsius/Fahrenheit with color-coded safety indicators

Capacity Percentage

Accurate remaining power calculation based on voltage and discharge curve

Charging Progress

Visual charging bar shows charging status and estimated time to full charge

Battery Specifications
Basic Parameters
Battery Model 52V 50AH 2600Wh
Battery Type Lithium-ion rechargeable battery
Production Process 14S 10P
Standard Voltage 52V
Battery Capacity 50AH
Dimensions Approx. 275 × 180 × 170mm
Weight Approx. 13.5KG
Cell Parameters
Cell Brand SAMSUNG
Cell Model INR21700-50G
Cell Type Lithium-ion rechargeable battery
Nominal Voltage 3.6V
Nominal Capacity 5000mAh
Max Continuous Discharge (Surface Temperature) 9.8A (Continuous Discharge ~2C)
14.7A (Peak Discharge)
Charge Cut-off Voltage 5A, 4.20V, CCCV 100mA cut-off
Discharge Cut-off Voltage 2.5V cut-off
BMS Specifications
BMS Brand JBD/ANT/JK
BMS Selection Criteria Determined by discharge current, battery dimensions, or customer requirements
Installation Built into the battery pack
Communication Bluetooth and WiFi
Compatibility Supports iOS and Android systems
Functions Real-time monitoring, remote control
Optional Extensions CAN BUS/RS485/GPS (Customizable)
Battery Pack Performance
Charge Cut-off Voltage 58.8V (Full charge state, charging stops)
Discharge Cut-off Voltage 42V (Automatic protection activates, discharge stops)
Rated Discharge Current Calculated based on motor power
Continuous Discharge Current Determined by BMS current rating
Peak Discharge Current Determined by motor power and BMS peak current capacity
Charger Specifications
Input Voltage Universal 100V~240V (Worldwide compatibility)
Output Current Standard 58.8V 10A
Charging Method Constant Current & Voltage (CC & CV)
Charging Time 80% capacity in 4 hours, Full charge in 5-6 hours
Plug Options Country-specific cords available (US/EU/UK/AU standards)
Temperature Specifications
Battery Operating Temperature Charging: 0 to 60℃ (Recommended < 45℃ during charging)
Discharging: -20 to 60℃ (Must maintain < 60℃ during discharge)
Charger Operating Temperature 0 to 60℃ (Recommended < 45℃ during charging)
Important Notes
State of Charge (SOC) Optimal: Maintain 40-60% (3.7-3.8V per cell)
Prohibited: Long-term storage at <10% or 100% SOC (accelerates aging)
Temperature Control 15-25°C: Ideal environment (<2% annual degradation)
-20~45°C: Permissible range (requires SOC control)
50°C or <-30°C: Strictly prohibited (hazard risk)
Physical Protection Avoid compression/impact (even with ABS casing)
Keep away from metal objects to prevent short circuits
Recommendations
For long-term storage (>1 month), perform periodic brief charge/discharge cycles to maintain lithium-ion activity and ensure normal energy output. We recommend performing a shallow cycle (30%→80%) every 3 months.