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

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

Brand Name : OiD

Model Number : OiD20Ah-25.2

Certification : GB/T 31486-2015,

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 : 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

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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

Electric Vehicles (EVs)
Solar Energy Storage Systems
Portable Power Stations
Industrial Backup Power
Medical Equipment

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

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.

Product Tags:

20Ah 25.2 V Battery Pack

10A Lithium Rechargeable Battery Pack

25.2 V Lithium Rechargeable Battery Pack

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

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