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7.4V 550mAh Lithium Polymer Battery with 300+ Cycles

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7.4V 550mAh Lithium Polymer Battery with 300+ Cycles

Brand Name : OiD

Model Number : OiD702530C-2S-550

Certification : RoHS compliant UL1642 certified IEC/EN61960 compliant GB/T 18287-2013 compliant

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 : Lithium Ion Battery

Battery Type : 7.4V, 550mAh Rechargeable

ODM : Free custom design for packs

Charging/ Discharging : 1C/ 1.5C

High Energy Density : 250-300Wh/kg

Cycle Life : 300+ cycles

Superior Cold Weather Performance : Reliable in Extreme Cold (-20°C to 60°C)

Flexible Form Factor : Thin, Customizable Pouch Design Lithium Ion Battery

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Product Name

OiD702530C-2S-550 Lithium Polymer Battery

Advantages

High energy density
Long cycle life
Lightweight and compact design
Safe and reliable performance

Specifications

Parameter	Value
Nominal Voltage	7.4V
Minimum Capacity	520mAh (0.2C discharge)
Typical Capacity	550mAh (0.2C discharge)
Charging Voltage	8.4V
Discharging Cut-off Voltage	6.0V
Standard Charging	0.2C/8.4V
Max Charging	1.0C/8.4V (0℃~45℃)
Standard Discharging	0.2C/6.0V
Max Discharging	1.5C/6.0V (-20℃~60℃)
Weight	Approx. 20.0g
Shipment Voltage	7.80V±0.1V
Battery Pack Impedance	≤280mΩ
Connector	JST ZHR-2P, JCTC 11501H00-2P-HF

Cycle Life

Condition	Cycles	Capacity Retention
0.2C Charge/Discharge at 23±2℃	300	≥80%

Discharge Curve

7.4V 550mAh Lithium Polymer Battery with 300+ Cycles

Operating Temperature Range

Condition	Temperature Range
Charging	0℃ ~ 45℃
Discharging	-20℃ ~ 60℃
Storage	-10℃ ~ 25℃ (12 months, ≥85%)
Storage	-10℃ ~ 45℃ (6 months, ≥85%)
Storage	-10℃ ~ 55℃ (1 month, ≥90%)

Certifications

RoHS compliant
UL1642 certified
IEC/EN61960 compliant
GB/T 18287-2013 compliant

Key Features

Overcharge, over-discharge, and short-circuit protection
High discharge rate capability
Low self-discharge rate
Environmentally friendly

Applications

Portable medical devices
Handheld consumer electronics
Wireless communication devices
IoT devices
Wearable technology

7.4V 550mAh Lithium Polymer Battery with 300+ Cycles

Usage Warnings & Precautions

Use only with specified chargers
Avoid short-circuiting the battery
Do not expose to high temperatures or fire
Keep away from moisture
Do not disassemble or modify the battery

Storage Guidelines

Store at 20±5℃ for optimal performance
Charge to 60% capacity if storing for more than 3 months
Avoid storing in high humidity environments

Warranty & Disclaimer

12-month warranty from the date of shipment
Warranty does not cover misuse, improper handling, or unauthorized modifications
The manufacturer is not liable for any damages caused by improper use

Product Tags:

7.4v 2a lithium battery

7.4v lithium ion battery

1.5c 2a lithium battery

7.4V 550mAh Lithium Polymer Battery with 300+ Cycles Images

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