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HCB Battery Co., Ltd.
HCB Battery Co., Ltd.

ER26500 Li-SOCl2 Cylindrical Battery

Non-Rechargeable C Size ER26500 Lithium Thionyl Chloride Battery 3.6V 8500mAh Bobbin Cell Primary Lithium Batteries for Security Alarm,IoT device, NB-IoT, Smart meter, with CE, UL(MH10060) and UN38.3 Certified, GSM GPRS LORA NB-IOT, IoT device, water meter, electricity meter, gas meter, heat meter.

Product Details of ER26500 Li-SOCl2 Cylindrical Battery


Place of OriginChina
Brand NameHCB
CertificationUN/CE/UL
Model NumberER26500


Advantage of ER26500 Li-SOCl2 Cylindrical Battery


  • High and Stable Voltage

  • Energy Density up to 590Wh/kg

  • Long Shelf Life (less than 1% per year after 1  year of storage at +25℃)

  • Wide Operating Temperature (-55℃~+85℃)


Specification of ER26500 Li-SOCl2 Cylindrical Battery


Electrical characteristicsOpen circuit voltage (at 25°C)≥3.65V
Nominal capacity8500mAh
(At +25°C, the battery is discharged at continuous current 3mA until the voltage reaches cut-off voltage 2.0V. The capacity can vary at a different temperature, discharge current or cut-off voltage.)
Maximum continuous current150mA
(New cell*, at +25°C, 2.0V cut-off, battery discharged for
minimum 50%°C of nominal capacity.)
Maximum pulse discharge current250mA
(300 mA/0.1 second pulses, drained every 2 minutes at +25°C from undischarged the new cell with 10 uA base current, yield voltage reading above 3.0V. The readings may vary according to the pulse characteristics, the temperature, and the’s previous history. Fitting the cell with a capacitor may be recommended in severe conditions, consult HCB.)
Storage (recommended)≤+30°C
(For more severe conditions, consult HCB)≤75%RH
Operating temperature range-55°C~+85°C
(Operation above ambient temperature may lead to reduced capacity and lower voltage readings at the beginning of pulses, consult HCB.)
Physical characteristicsDiameter25.6±0.2mm
Height49.1±0.5mm
Typical weight53.0g
Li metal content2.4g



Drawing of ER26500 Li-SOCl2 Cylindrical Battery

ER26500 Li-SOCl2 Cylindrical Battery/Lithium Thionyl Chloride Cell


ER26500 Li-SOCl2 Cylindrical Battery

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