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50.4V 20Ah Lithium Ion Battery Pack with BMS 50A Discharge
50.4V 20Ah Lithium Ion Battery Pack with BMS 50A Discharge
50.4V 20Ah Lithium Ion Battery Pack with BMS 50A Discharge
50.4V 20Ah Lithium Ion Battery Pack with BMS 50A Discharge
Specifications
Brand Name :
OiD
Model Number :
OiD20Ah-50.4
Certification :
GB/T 36276-2018
Place of Origin :
China
MOQ :
100pcs
Price :
$0.5 ~ $100.0 / pcs
Delivery Time :
3 ~ 7 days for storage
Payment Terms :
TT,L/C,Western Union
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
Description

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 Lithium Ion Battery Pack with BMS 50A Discharge

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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50.4V 20Ah Lithium Ion Battery Pack with BMS 50A Discharge

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Product Detail
Brand Name :
OiD
Model Number :
OiD20Ah-50.4
Certification :
GB/T 36276-2018
Place of Origin :
China
MOQ :
100pcs
Price :
$0.5 ~ $100.0 / pcs
Contact Supplier
50.4V 20Ah Lithium Ion Battery Pack with BMS 50A Discharge
50.4V 20Ah Lithium Ion Battery Pack with BMS 50A Discharge

Shenzhen Jianheng Technology Co., Ltd.

Verified Supplier
1 Years
shenzhen
Since 2020
Business Type :
Manufacturer, Distributor/Wholesaler
Main Products :
Lithium Ion Battery, LiFePo4 Battery, Solid State Battery
Total Annual :
15000000-20000000
Employee Number :
300~500
Certification Level :
Verified Supplier
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