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Shenzhen Jianheng Technology Co., Ltd.

  • China,Shenzhen
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China OID501938 3.7V 400mAh High Energy Density Li-Ion Battery with 500+ Cycles for
China OID501938 3.7V 400mAh High Energy Density Li-Ion Battery with 500+ Cycles for

  1. China OID501938 3.7V 400mAh High Energy Density Li-Ion Battery with 500+ Cycles for
  2. China OID501938 3.7V 400mAh High Energy Density Li-Ion Battery with 500+ Cycles for
  3. China OID501938 3.7V 400mAh High Energy Density Li-Ion Battery with 500+ Cycles for
  4. China OID501938 3.7V 400mAh High Energy Density Li-Ion Battery with 500+ Cycles for

OID501938 3.7V 400mAh High Energy Density Li-Ion Battery with 500+ Cycles for

  1. MOQ: 100pcs
  2. Price: $0.5 ~ $10.0 / pcs
  3. Get Latest Price
Payment Terms TT,L/C,Western Union
Supply Ability 1000000
Delivery Time 3 ~ 7 days for storage
Packaging Details Carton
Name Lithium Ion Battery
Battery Type 3.7V, 400mAh Rechargeable
ODM Free custom design for packs
Flexible Form Factor Thin, Customizable Pouch Design Lithium Ion Battery
Cycle Life 500+ cycles
Charging/ Discharging 1.0C/ 1.0C
Brand Name OiD
Model Number OiD702339N650
Certification Compliant with IEC 62133,UN38.3,REACH
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms TT,L/C,Western Union Supply Ability 1000000
Delivery Time 3 ~ 7 days for storage Packaging Details Carton
Name Lithium Ion Battery Battery Type 3.7V, 400mAh Rechargeable
ODM Free custom design for packs Flexible Form Factor Thin, Customizable Pouch Design Lithium Ion Battery
Cycle Life 500+ cycles Charging/ Discharging 1.0C/ 1.0C
Brand Name OiD Model Number OiD702339N650
Certification Compliant with IEC 62133,UN38.3,REACH Place of Origin China
High Light 3.7V 400mAh Lithium Ion BatteryHigh Energy Density Li-Ion Battery500+ Cycles Lithium Polymer Battery
All Models List Filter and Comparison


Product Overview

The OID501938 3.7V 400mAh Li-Ion Battery is specifically designed for use in blood glucose monitoring devices. With a high energy density, it provides stable power for long-term usage. This battery is optimized for medical applications, offering consistent performance with a cycle life of 500+ charges. Certified for safety and reliability, it ensures compliance with international standards, making it a reliable choice for medical devices requiring compact and efficient power sources.



Key Advantage

  • High Energy Density: Provides efficient, long-lasting power for blood glucose monitoring devices.

  • Stable Performance: Delivers consistent energy for medical applications, reducing the need for frequent recharges.

  • Safety Certified: Complies with international safety standards including UL, RoHS, and UN38.3.

  • Long Cycle Life: 500+ charge cycles with minimal capacity degradation.

  • Temperature Resilience: Suitable for both charging and discharging across a wide temperature range (0°C to 60°C).


Product Description

The OID501938 3.7V 400mAh Li-Ion Battery is an ideal power source for blood glucose monitoring devices. This high-quality battery ensures long-lasting performance with a minimum capacity retention of 80% after 500 charge cycles. Designed for medical applications, the battery’s compact form and stable discharge rate make it highly suitable for devices that require consistent and reliable power.

Certified to meet global safety standards, it offers protection features against overcharge, over-discharge, and short circuits. With a charging voltage of 4.2V and a discharge cut-off voltage of 3.0V, it ensures safe and efficient operation. This battery is the perfect choice for medical monitoring devices, such as glucose meters, where reliability and safety are paramount.


Technical Specifications

Parameter Value
Model OID501938
Nominal Voltage 3.7V
Capacity 400mAh
Standard Charging Current 0.2C (80mA)
Max Charging Current 1.0C (400mA)
Max Discharge Current 1.0C (400mA)
Discharge Cut-off Voltage 3.0V
Charge Cut-off Voltage 4.2V
Internal Resistance ≤240mΩ
Weight 8.5g
Dimensions 18mm × 65mm
Cycle Life ≥500 cycles (80% retention)
Temperature Range (Charging) 0°C to 45°C
Temperature Range (Discharge) -20°C to 60°C
Storage Temperature -10°C to 45°C
Certifications UL, RoHS, UN38.3, KC, IEC/CE, BSMI

Performance Testing Data

Condition Performance
Standard Cycle (0.2C) ≥500 cycles (80% capacity retention)
High Temperature Test (55°C) No distortion, no leakage, no rupture
Low Temperature Test (-10°C) No rupture, no leakage, no smoke
Overcharge Test No explosion or fire

Applications

  • Blood Glucose Monitoring Devices

  • Medical Wearable Devices

  • Portable Health Monitoring Systems

  • Small Medical Electronics

  • Other Compact Medical Devices


Usage Warnings & Precautions

  • Avoid Overcharging: Do not exceed 4.2V during charging.

  • Do Not Short-Circuit: Keep the battery’s positive and negative terminals away from direct contact.

  • Safe Handling: Do not expose to high temperatures (over 60°C) or moisture.

  • Proper Disposal: Dispose of used batteries safely according to local regulations.


Storage Guidelines

  • Optimal Storage Temperature: Store at 20±5°C with 50% charge (SOC) for long-term storage.

  • Recharging: Recharge every 6 months if stored unused.

  • Avoid Extreme Temperatures: Store in a cool, dry environment and avoid storing at temperatures above 50°C.


Warranty & Disclaimer

  • 12-month limited warranty against manufacturing defects.

  • Warranty does not cover damage due to misuse, improper charging, or unauthorized modifications.

  • Manufacturer is not liable for accidents caused by improper use.


Comparison with Standard Models

The OID501938 stands out from standard Li-Ion batteries with its optimized performance for medical devices. While typical Li-Ion batteries provide standard energy density, the OID501938 offers a higher capacity of 400mAh, better cycle life, and more robust safety features designed to meet the unique requirements of blood glucose monitoring devices.

Company Details

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 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler

  • Year Established:

    2020

  • Total Annual:

    15000000-20000000

  • Employee Number:

    300~500

  • Ecer Certification:

    Verified Supplier

Jianheng Technology (Shenzhen) Co., Ltd. is located in Shenzhen, China’s “City of Innovation” — home to global technology leaders such as Huawei, BYD, DJI, ZTE, and Tencent. Like these renowned companies, Jianheng Technology is driven by a commitment to independent techn... Jianheng Technology (Shenzhen) Co., Ltd. is located in Shenzhen, China’s “City of Innovation” — home to global technology leaders such as Huawei, BYD, DJI, ZTE, and Tencent. Like these renowned companies, Jianheng Technology is driven by a commitment to independent techn...

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Get in touch with us

  • Reach Us
  • Shenzhen Jianheng Technology Co., Ltd.
  • 2# Building, Shimao Park, Zhenhuan Rd, Pingshan, Shenzhen, China.
  • https://www.liion-batt.com/

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