C size 8500mAh ER26500 Primary Lithium Thionyl Chloride Battery For NB-IoT Smart Meters

Nominal Capacity	8500mAh
Battery discharged at continuous current 3.3mA until voltage reaches cut-off voltage 2.0V at ambient temperature 23±2℃
Nominal Voltage	3.6 V
Maximum Continuous Current	200mA
Battery with minimum 50% rated capacity discharged at ambient temperature 23±2℃
Maximum Pulse Discharge Current	400mA
Battery with minimum 50% rated capacity discharged at max pulse for 3 seconds after 27seconds break. Ambient temperature 23±2℃
Storage Condition	Temperature ≤ 30℃ Humidity ≤ 75%RH
Operating Temperature	-55℃ to +85℃
Battery Dimension	See drawing on pag
Max Weight	53.0g
Self-discharge Rate	2%
Max self-discharged rate at ambient temperature 23±2℃
Shelf Life	10 years
Ambient temperature 23±2℃

1. Battery Characteristic

• High Voltage
  Nominal voltage up to 3.0 V
• High Energy Density
  Specific energy density up to 260 Wh/kg
• Wide Operating Temperature Range
  -40°C to +85°C
• Long Shelf Life
  Self discharge rate is less than 2% per year at room temperature
  High capacity, stable performance, no passivation effect
  Glass-to-metal seal
  Bobbin and spiral structure is available for different applications

2. Main Applications

• Utility metering

Electricity, gas, water, heat, calorimeters; heat cost allocators; automatic meter reading (AMR); prepayment meters

• Tracking

Electronic toll collection; data loggers; On-board units; trucks, containers, trailers; animals; personal

• Automotive

Tire pressure monitoring systems; engine controllers; brake controllers; in-car computers; digital tachographs; belt straighteners

• Alarm and security systems

Wireless alarms PIR; sensors/detectors; electronic safes; encryption systems

• Industrial automation

Controllers; fault detectors; process logic control; Industrial PC’s

• Office automation

Point of sale terminals; cash machines; telephone key systems; telephone exchange boards

• Instrumentation

Electronic scales; vending machines; gambling machines; taximeters

• Medical

Dispensers; implantable devices; infusion pumps

• Off-shore

Beacons; buoys; oil drilling/MWD; life jacket lights

• High end consumer

Ultral thin soft pack batteries, customized batteries

3.Characteristics

Lithium Thionyl Chloride (Li-SOCl2) battery has high energy density, and its nominal voltage is 3.6V. Bobbin structure is best suited for low current discharge and spiral structure is best suited for high current discharge.
Principle and Reactions:
The positive active material of Li-SOCl2 batteries is liquid Thionyl Chloride (SOCl2) and negative active material is Lithium (Li).