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:

Operating Temperature Range

Certifications

Key Features

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

Usage Warnings & Precautions

Storage Guidelines

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.

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