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50.4V 20Ah Battery Pack High Safety Custom Lithium Battery Packs 50A 300Cycle

50.4V 20Ah Battery Pack High Safety Custom Lithium Battery Packs 50A 300Cycle

Products - Li Ion Battery Pack
  • Highlight

    50.4V 20Ah Battery Pack

    ,

    High Safety Custom Lithium Battery Packs

    ,

    Custom Lithium Battery Packs 50A

  • Name
    20Ah Battery Pack
  • Battery Type
    50.4V 20Ah Rechargeable
  • ODM
    Free Custom Design For Packs
  • Cathode
    NMC/NCA
  • Cycle Life
    300+ Cycles
  • Operating Temperature
    -20°C~60°C
  • Safety
    Support BMS
  • Charging/ Discharging
    10A/50A
  • Place of Origin
    China
  • Brand Name
    OiD
  • Certification
    GB/T 36276-2018
  • Model Number
    OiD20Ah-50.4
  • Minimum Order Quantity
    100pcs
  • Price
    $0.5 ~ $100.0 / pcs
  • Delivery Time
    3 ~ 7 days for storage
  • Payment Terms
    TT,L/C,Western Union

50.4V 20Ah Battery Pack High Safety Custom Lithium Battery Packs 50A 300Cycle

  • 50.4V 20Ah Battery Pack High Safety Custom Lithium Battery Packs 50A 300Cycle
  • 50.4V 20Ah Battery Pack High Safety Custom Lithium Battery Packs 50A 300Cycle
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OiD20Ah-50.4 50.4V 20Ah Lithium Ion Battery Pack 50A 300Cycle

Product Name

Lithium-Ion Battery Pack (Li-ion)

 

Advantages

  • High Safety: Stable chemistry with no risk of explosion.
  • Long Cycle Life: Up to 300+ cycles at 80%DOD.
  • Wide Temperature Adaptability: Operates from -20°C to 60°C.
  • Eco-Friendly: Lead-free and recyclable design.
  • Customizable: Modular configurations for solar, home energy storage, and industrial systems.

 

Specifications

Parameter

Value

Unit

Comments

Nominal Voltage

50.4V

DC

Non-parallel/series connection allowed.

Rated Capacity

20Ah

@0.5C

Based on 14S4P cell configuration (IFR32700-5A 3C).

Max Charge Current

10A (25°C±2)

@Constant Current (CC)

Up to 58.8V (constant voltage phase).

Max Discharge Current

50A (0°C–45°C)

@Constant Current (CC)

Min discharge voltage: 2.7V/cell.

Terminal Configuration

Red UL3135-12AWG (+), Black UL3135-12AWG (-)

Connector Type

For high-current applications.

AC Impedance

≤160mΩ

@1kHz

Measured with digital impedance analyzer.

Weight

~4.5kg

  

Including enclosure and connectors.

Dimensions

195mm(L) × 185mm(W) × 80mm(H)

  

Excluding wiring harness.

 

Cycle Life

Test Conditions

Cycle Count

Capacity Retention

Standard

0.5C Charge + 0.5C Discharge

300 cycles

≥97% @100%DOD

IEC 61434-2015 (equivalent)

 

Typical Discharge Profile:

  • Voltage Platform: Stable between 50.4V and 2.7V/cell at 0.5C discharge.
  • High-Rate Discharge: Voltage drops faster at 50A (e.g., 20% drop within 10 minutes).
  • Low-Temperature Performance: Minimal voltage sag at -20°C (-5% drop vs. 25°C).

 

Operating Temperature Range

Category

Range

Unit

Standard Compliance

Charge Temperature

0°C – 45°C

℃

GB/T 36276-2018

Discharge Temperature

-20°C – 60°C

℃

GB/T 36276-2018

Storage Temperature

-20°C – 45°C

℃

≤1 month (50% SOC); ≤12 months (25°C SOC)

 

Certifications

  • China National Standard: GB/T 36276-2018 (Power Storage Lithium-Ion Batteries).
  • Safety Compliance: Passes vibration, altitude, and high-temperature tests (per specs).

 

Key Features

  • Material: Lithium iron phosphate (LiFePO₄) ensures thermal stability.
  • BMS Protection: 50A fusing + multi-level over/under-voltage/current protection.
  • Modular Design: Flexible for solar, home energy storage, and industrial systems.

 

BMS Specifications

Function

Setting

Threshold

Action

Cell Overvoltage

Enable

4.25V ±0.03

Cut-off + recovery after <3 seconds.

Cell Undervoltage

Enable

2.7V ±0.1

Cut-off + recovery after <1.5 seconds.

Battery Overvoltage

Enable

58.8V

Cut-off + recovery after <1.05 seconds.

Battery Undervoltage

Enable

2.7V

Cut-off + recovery after <5 seconds.

Temperature Protection

Charge: 52°C / Discharge: 65°C

±5°C Sampling Error

Cut-off + recovery when temp returns to threshold.

 

Applications

  1. Solar Power Systems
  2. Residential Energy Storage
  3. Electric Vehicle Auxiliary Power Units
  4. Industrial Backup Systems
  5. Marine/Offshore Applications

50.4V 20Ah Battery Pack High Safety Custom Lithium Battery Packs 50A 300Cycle 0

 

Usage Warnings & Precautions

  • ❗ Avoid overcharging (>58.8V) or deep discharging (<2.7V/cell).
  • ❗ Operate only within specified temperature ranges.
  • ❗ Use certified chargers and avoid short circuits.
  • ❗ Store in dry, ventilated areas (≤45°C, 60% RH).

 

Storage Guidelines

  • Short-Term: ≤1 month at 50% SOC, 25°C.
  • Long-Term: ≤12 months at 25°C (recharge every 6 months).
  • Avoid: Direct sunlight, extreme humidity, or physical impacts.

 

Warranty & Disclaimer

  • Warranty Period: 24 months from shipment or 300 cycles, whichever comes first.
  • Coverage: Defects caused by manufacturing errors.
  • Exclusions: Damage from misuse, improper storage, or operation outside specs.
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