ER26500H+EPC1520

ER26500H+EPC1520 battery pack

Technical Specification

Overviews

This product can be used in various fields, mainly used in smart meters (water meters, electricity meters, gas meters), computer support power supplies, medical equipment, wireless communications, oil drilling, portable communications equipment, scientific research instruments, remote data acquisition systems, military applications and other electric equipment.

 

Structure and Appearance

Structure: Composed of ER26500H battery and EPC1520 capacitor in parallel.

Appearance condition: Visually inspect the surface of the product without rust or leakage, and the mark is clear.


 Basic Features

ItemSubjectFeatures

SpecificationER26500H+EPC1520

Norminal voltage3.6V

norminal capacity8500mAh(2mA, 25±3℃, cut off at 2.0V) Note: The capacity of the battery varies with the discharge current, ambient temperature and termination voltage.

Max. continuous discharge current500mA (Can provide higher current, consult SUNJ company for details)

Max. available pulse current2000mA (It varies according to the pulse performance (frequency, duration), temperature, battery condition and the minimum voltage acceptable to the applied equipment)Pulse current discharge is provided by EPC1520. The main performance of EPC1520 is as follows:Voltage range2.5~3.67VNorminal capacity140AsMax. Dimensionsφ15.1mm x h 21.0mmNorminal weightAbout 10gMax. continuous discharge current500mAMax. available pulse current2000mA 

Operating temperature-40℃~+85℃(When the operating temperature is higher than normal temperature, it may result in a decrease in the capacity at the beginning of the pulse and a low voltage reading)

Standard weightMax. 65g


Technical Requirement

ItemTest itemsTest ConditionsPerformance test within one year of storage

Open circuit voltage≥3.64V≥3.64V
room temperature(25±3℃)3.64~3.68V

Load voltageroom temperature(25±3℃), 8.2Ω3S≥3.15V
Standard dischargeStandard discharge: 2mA/1.8kΩ, cut-off voltage 2.0V
room temperature(25±3℃)≥8500mAh/4250h
Regular dischargeRegular discharge: 50mA/62Ω, cut-off voltage 2.0V
room temperature(25±3℃)≥6500mAh/130h

Leak resistanceUnder the above testNo electrolyte leakage

DeformationUnder the above testThe battery size does not exceed the standard


Electrical Performance Graph

ER26500H EPC1520

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