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25.2V 20Ah Lithium Ion Battery Pack with BMS 500 Cycles

25.2V 20Ah Lithium Ion Battery Pack with BMS 500 Cycles

Products - Li Ion Battery Pack
  • Highlight

    20Ah 25.2 V Battery Pack

    ,

    10A Lithium Rechargeable Battery Pack

    ,

    25.2 V Lithium Rechargeable Battery Pack

  • Name
    25.2 V Battery Pack
  • ODM
    Free Custom Design For Packs
  • Battery Type
    25.2V 20Ah Rechargeable
  • Cathode
    NMC/NCA
  • Cycle Life
    500+ Cycles
  • Operating Temperature
    -20°C~60°C
  • Safety
    Support BMS
  • Charging/Discharging
    5A/10A
  • Place of Origin
    China
  • Brand Name
    OiD
  • Certification
    GB/T 31486-2015,
  • Model Number
    OiD20Ah-25.2
  • Minimum Order Quantity
    100pcs
  • Price
    $0.5 ~ $100.0 / pcs
  • Delivery Time
    3 ~ 7 days for storage
  • Payment Terms
    TT,L/C,Western Union

25.2V 20Ah Lithium Ion Battery Pack with BMS 500 Cycles

  • 25.2V 20Ah Lithium Ion Battery Pack with BMS 500 Cycles
  • 25.2V 20Ah Lithium Ion Battery Pack with BMS 500 Cycles
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OiD20Ah-25.2 25.2V 20Ah Lithium Ion Battery Pack 10A 500Cycle

Product Name

25.2V 20Ah Lithium-Ion Battery Pack (Li-ion)

 

Advantages

  • High Energy Density: Compact design with 20Ah capacity for extended runtime.
  • Long Cycle Life: 500+ cycles at 80% depth of discharge (DoD) under standard conditions.
  • Robust Safety: Integrated BMS with multi-layer protection (overcharge, over-discharge, short circuit).
  • Wide Temperature Range: Reliable performance from -20°C to 60°C.
  • Eco-Friendly: Lead-free and recyclable materials.

 

Specifications

Parameter

Value

Unit

Comments

Model

OiD20Ah-25.2

-

7S6P Li-ion configuration with high-efficiency cells.

Nominal Voltage

25.2V

DC

7S series connection (3.6V/cell).

Rated Capacity

20Ah

@0.5C

Tested at 25±2℃, 50% SOC.

Max Continuous Discharge

10A

@CC

Operates within -20°C to 60°C.

Max Charge Current

5A (0°C–45°C)

@CC/CV

Charges to 29.4V (constant voltage phase).

Terminal Configuration

UL3239 12AWG (Red+/Black-)

Connector Type

High-current terminals with anti-corrosion coating.

Internal Resistance

≤150mΩ

@1kHz

Ensures minimal voltage drop during high-load operation.

Weight

~3.5kg

  

Lightweight design for portable applications.

Dimensions

220mm(L) × 150mm(W) × 80mm(H)

  

Optimized for space efficiency.

 

Cycle Life

Test Conditions

Cycle Count

Capacity Retention

Standard

25±2℃, 0.5C charge + 10A discharge

500 cycles

≥80% initial capacity

GB/T 31484-2015 (equivalent)

 

Typical Discharge Profile:

  • Voltage Stability: Maintains 25.2V plateau at 0.5C discharge (25±2℃).
  • High-Rate Discharge: Voltage drops to 18.9V within 2 hours at 10A (25±2℃).
  • Low-Temperature Performance: Capacity retains ≥70% at -10℃.

 

Operating Temperature Range

Category

Operating Range

Unit

Standard Compliance

Charge Temperature

0°C – 45°C

℃

GB/T 31486-2015

Discharge Temperature

-20°C – 60°C

℃

GB/T 31486-2015

Storage Temperature

-10°C – 40°C

℃

≤12 months (50% SOC)

 

Certifications

  • China National Standards: GB/T 31486-2015 (Li-ion battery testing).
  • Safety Compliance: Passes UN38.3, vibration, and thermal shock tests.

 

Key Features

  • Advanced BMS: Real-time monitoring of voltage, current, and temperature.
  • Modular Design: Scalable for solar storage, EVs, and industrial systems.
  • Durability: IP54-rated enclosure for dust and water resistance.

 

BMS Specifications

Function

Threshold

Delay Time

Action

Overcharge Protection

4.2V ±0.05V/cell

<500ms

Cut-off + auto-recovery after voltage drop.

Overdischarge Protection

2.7V ±0.1V/cell

<1s

Cut-off + auto-recovery after charging.

Overcurrent Protection

15A (charge) / 10A (discharge)

<200ms

Load disconnection.

Temperature Protection

Charge: 55℃ / Discharge: 65℃

-

Adjusts charge/discharge rate or cuts off.

 

Applications

  1. Electric Vehicles (EVs)
  2. Solar Energy Storage Systems
  3. Portable Power Stations
  4. Industrial Backup Power
  5. Medical Equipment

25.2V 20Ah Lithium Ion Battery Pack with BMS 500 Cycles 0

 

Usage Warnings & Precautions

  • ❗ Do NOT disassemble the battery pack.
  • ❗ Charge only within 0°C–45°C using certified chargers.
  • ❗ Avoid exposing terminals to moisture or conductive materials.
  • ❗ Store at 50% SOC if unused for >1 month.

 

Storage Guidelines

  • Short-Term: ≤3 months at 20–25°C, 50% SOC.
  • Long-Term: ≤12 months at -10–40°C, 50% SOC (recharge every 6 months).
  • Avoid: Prolonged storage at full charge or deep discharge states.

 

Warranty & Disclaimer

  • Warranty: 24 months from shipment or 500 cycles (whichever occurs first).
  • Coverage: Defects in materials or workmanship.
  • Exclusions: Damage from misuse, unauthorized modifications, or extreme environments.
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