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48V 12.5Ah Li Ion Battery Pack with 20A Discharge and BMS

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48V 12.5Ah Li Ion Battery Pack with 20A Discharge and BMS

Brand Name : OiD

Model Number : OiD12.5Ah-48

Place of Origin : China

Certification : CE, UL, UN38.3

MOQ : 100pcs

Price : $0.5 ~ $100.0 / pcs

Delivery Time : 3 ~ 7 days for storage

Payment Terms : TT,L/C,Western Union

Name : Li Ion Battery Pack

Battery Type : 48V 12.5Ah Rechargeable

ODM : Free custom design for packs

Cathode : NMC/NCA

Cycle Life : 500+ cycles

Operating Temperature : -20°C~60°C

Safety : Support BMS

Charging/ Discharging : 2A/20A

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OiD12.5Ah-48 48V 12.5Ah 20A 500Cycle Eco-Replaceable Battery Pack

Product Name

48V 12.5Ah Li-ion Battery Pack (Eco-Friendly & Replaceable Design)

Advantages

Eco-Friendly & Replaceable: Modular design allows easy cell replacement, reducing waste and extending lifespan.
Long Cycle Life: 500+ cycles at 80% depth of discharge (DoD).
High Discharge Current: 20A continuous output for power-demanding applications.
Wide Temperature Range: Operates from -20°C to 60°C.
Certified Safety: Integrated BMS with multi-layer protection.

Specifications

Parameter	Value	Unit	Comments
Model	OiD12.5Ah-48	-	13S5P Li-ion configuration with replaceable modules.
Nominal Voltage	48V	DC	13S series connection (3.7V/cell).
Rated Capacity	12.5Ah	@0.5C	Tested at 25±2℃, 50% SOC.
Max Continuous Discharge	20A	@CC	Operates within -20°C to 60°C.
Max Charge Current	2A (0°C–45°C)	@CC/CV	Charges to 54.6V (constant voltage phase).
Terminal Configuration	Anderson SB175 Connectors	Connector Type	High-current terminals for robust connections.
Internal Resistance	≤200mΩ	@1kHz	Ensures minimal voltage drop during high-load operation.
Weight	~3.3kg		Lightweight and portable design.
Dimensions	300mm(L) × 150mm(W) × 90mm(H)		Modular structure for easy maintenance.

Cycle Life

Test Conditions	Cycle Count	Capacity Retention	Standard
25±2℃, 0.5C charge + 20A discharge	500 cycles	≥80% initial capacity	GB/T 31484-2015 (equivalent)

Typical Discharge Profile:

Voltage Stability: Maintains 48V plateau at 0.5C discharge (25±2℃).
High-Rate Discharge: Voltage drops to 35.75V within 1 hour at 20A (25±2℃).
Low-Temperature Performance: Capacity retains ≥75% 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 – 35°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

Replaceable Design: Individual cell modules can be replaced to reduce waste.
Advanced BMS: Real-time monitoring of voltage, current, and temperature.
Eco-Friendly Materials: RoHS-compliant and recyclable components.

BMS Specifications

Function	Threshold	Delay Time	Action
Overcharge Protection	4.25V ±0.05V/cell	<500ms	Cut-off + auto-recovery after voltage drop.
Overdischarge Protection	2.75V ±0.1V/cell	<1s	Cut-off + auto-recovery after charging.
Overcurrent Protection	25A (peak)	<200ms	Load disconnection.
Temperature Protection	Charge: 55℃ / Discharge: 65℃	-	Adjusts charge/discharge rate or cuts off.

Applications

Electric Scooters & Bikes
Portable Solar Power Stations
IoT Device Backup Systems
Light Electric Vehicles (LEVs)
Emergency Power Supplies

Usage Warnings & Precautions

❗ Use only certified chargers (54.6V CC/CV).
❗ Avoid deep discharging (<35.75V) or overcharging (>54.6V).
❗ Replace modules only with manufacturer-approved parts.
❗ Store in dry, ventilated areas away from flammable materials.

Storage Guidelines

Short-Term: ≤3 months at 20–25°C, 50% SOC.
Long-Term: ≤12 months at -10–35°C, 50% SOC (recharge every 6 months).

Warranty & Disclaimer

Warranty: 24 months from shipment or 500 cycles (whichever occurs first).
Coverage: Defects in materials or workmanship.
Exclusions: Damage from unapproved modifications or improper module replacement.

Product Tags:

Eco Friendly Li Ion Battery Pack

Li Ion Battery Pack 12.5Ah

20A 48v Lithium Ion Battery Pack

48V 12.5Ah Li Ion Battery Pack with 20A Discharge and BMS Images

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