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Primary Lithium Batteries

Long-life Li-SOCl₂, Li-MnO₂, ER+SPC hybrid and SPC battery capacitors for smart meters, IoT, trackers, security and automotive electronics.

Primary lithium is EVE's original business. EVE reports that its primary lithium batteries have ranked No.1 in China by sales and exports for eight consecutive years, with customers in more than 80 countries.

Li-SOCl₂ (ER) cells deliver 3.6V with very low self-discharge for 10 to 20-year meters and sensors. Li-MnO₂ (CR) cells give 3V with strong pulse capability. Where a device transmits in short high-current bursts, an ER cell paired with an SPC battery capacitor supplies the pulse without voltage delay.

Primary Lithium Batteries

Li-SOCl₂

Li-MnO₂

ER+SPC hybrid

SPC battery capacitor

Compare all primary lithium batteries

ModelChemistryNominal voltageNominal capacitySizeOperating temperature (series)Self-discharge (series)Service life (series)
ER14250Li-SOCl₂3.6 V1,200 mAh½AA−55 °C to +85 °C≤ 1% per year at room temperatureUp to 20+ years
ER14335Li-SOCl₂3.6 V1,650 mAh⅔AA−55 °C to +85 °C≤ 1% per year at room temperatureUp to 20+ years
ER14505Li-SOCl₂3.6 V2,700 mAhAA−55 °C to +85 °C≤ 1% per year at room temperatureUp to 20+ years
ER17505Li-SOCl₂3.6 V3,600 mAhA−55 °C to +85 °C≤ 1% per year at room temperatureUp to 20+ years
ER18505Li-SOCl₂3.6 V4,000 mAhA−55 °C to +85 °C≤ 1% per year at room temperatureUp to 20+ years
ER26500Li-SOCl₂3.6 V8,500 mAhC−55 °C to +85 °C≤ 1% per year at room temperatureUp to 20+ years
ER34615Li-SOCl₂3.6 V19,000 mAhD−55 °C to +85 °C≤ 1% per year at room temperatureUp to 20+ years
ER2450TLi-SOCl₂3.6 V550 mAhCoin, 24.5 mm−55 °C to +85 °C≤ 1% per year at room temperatureUp to 20+ years
CR123ALi-MnO₂3 V1,500 mAhCR123A cylindrical–≤ 1% per year at room temperature10+ years
CR2032Li-MnO₂3 V225 mAhCoin, 20 mm–≤ 1% per year at room temperature10+ years
CR2016Li-MnO₂3 V80 mAhCoin, 20 mm–≤ 1% per year at room temperature10+ years
CR2025Li-MnO₂3 V165 mAhCoin, 20 mm–≤ 1% per year at room temperature10+ years
CR2450Li-MnO₂3 V600 mAhCoin, 24.5 mm–≤ 1% per year at room temperature10+ years
ER14250+SPC1520–3.6 V1,200 mAh–−40 °C to +85 °C≤ 1% per year at room temperature–
ER14505+SPC1520–3.6 V2,700 mAh–−40 °C to +85 °C≤ 1% per year at room temperature–
ER26500+SPC1550–3.6 V8,500 mAh–−40 °C to +85 °C≤ 1% per year at room temperature–
ER34615+SPC1520–3.6 V19,000 mAh–−40 °C to +85 °C≤ 1% per year at room temperature–
SPC0920A–3.6 V8.5 mAh–−40 °C to +85 °C––
SPC1520A–3.6 V45 mAh–−40 °C to +85 °C––
SPC1530A–3.6 V75 mAh–−40 °C to +85 °C––
SPC1550A–3.6 V170 mAh–−40 °C to +85 °C––

Data from EVE Energy's published specifications, measured in EVE's laboratory. Actual performance depends on the application; the datasheet supplied with your quotation prevails.

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