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BR-2/3AE2SP Battery (3V 1200mAh) — Industrial PLC/CNC Memory Backup

Original price was: $8.89.Current price is: $1.96.

BR-2/3AE2SP is a 3V 1200mAh primary lithium 2/3A battery with PCB/PC pins, commonly used for PLC/CNC memory backup and industrial control electronics.

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  • Voltage: 3V
  • Capacity: 1200mAh (1.2Ah)
  • Size: 2/3A (approx. 17.0mm x 33.5mm)
  • Termination: PC/PCB Pins
  • Type: Non-rechargeable (primary)

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Check the match before ordering

  • Part numberMatch the complete number, including letters and suffixes.
  • Electrical specificationConfirm voltage, chemistry and charging requirements.
  • Physical fitCompare dimensions, connector, polarity and terminal position.
SKU
BR-2/3AE2SP
Brand
N/A
Category

Description

BR-2/3AE2SP Battery (3V 1200mAh) — Industrial PLC/CNC Memory Backup

The BR-2/3AE2SP is a primary (non-rechargeable) 3V lithium battery in a 2/3A cylindrical size, commonly used as a memory backup / retention battery for industrial control electronics. Many systems use this type of cell to maintain critical settings, memory, or real-time data when the main power is removed.

Common Uses / Applications

  • PLC memory backup (programmable logic controllers)
  • CNC controls and industrial automation equipment
  • Industrial control boards requiring 3V retention power
  • Measuring / monitoring instruments where stable backup power is required

Specifications (Typical)

  • Model: BR-2/3AE2SP
  • Voltage: 3V
  • Capacity: 1200mAh (1.2Ah)
  • Cell Size: 2/3A
  • Dimensions: approx. 17.0mm diameter × 33.5mm height
  • Chemistry: Lithium (BR series; often listed as lithium poly-carbon monofluoride)
  • Termination: PC/PCB Pins (verify pin count/layout on your board)

Compatibility Notes (Important)

  • Confirm pin layout: “AE2SP” versions are commonly sold with PCB pins. Always compare the old battery to product photos/specs.
  • Non-rechargeable: This is a primary lithium battery—do not attempt to recharge.
  • Need help? Message us a photo of your board + old battery label and we’ll help you match the correct replacement.

  • Battery replacement help from real people
  • Fast shipping and careful packing
  • Support for hard-to-match industrial batteries
  • Reliable memory backup power: Designed for long-term retention in PLC/CNC and industrial electronics.
  • Stable 3V output: Suitable for control boards requiring consistent backup voltage.
  • Industrial-grade lithium chemistry: Commonly listed as lithium poly-carbon monofluoride (BR series).
  • 2/3A form factor: Compact cylindrical size used in many control systems.
  • PCB/PC pin termination: Built for board mounting (verify pin layout before ordering).
  • Non-rechargeable primary cell: Do not charge—replace when depleted.

FAQ — BR-2/3AE2SP

Is the BR-2/3AE2SP rechargeable?

No. This is a primary (non-rechargeable) lithium battery. Do not charge it.

What is the BR-2/3AE2SP commonly used for?

It’s commonly used as a PLC/CNC memory backup (retention) battery and in industrial electronics that need stable 3V backup power.

What voltage and capacity is this battery?

Typically 3V with 1200mAh (1.2Ah) capacity.

What size is BR-2/3AE2SP?

It is a 2/3A cylindrical cell (about 17.0mm × 33.5mm).

What does “PC/PCB pins” mean?

It means the battery is made to mount onto a circuit board using pins. Pin layout can vary, so compare your original battery carefully.

How do I confirm compatibility before ordering?

Match the old battery’s part number and compare the pin style/layout. If unsure, send us photos of your old battery and the board.

BR-2/3AE2SP
BR-2/3AE2SPE
BR-2/3AE2SPN
BR2/3AE2SP
BR2/3AE2SPE
BR2/3AE2SPN

Additional information

Brand

N/A

Product Type

Other

Product Name + Part Number

BR-2/3AE2SP Battery (3V 1200mAh) — Industrial PLC/CNC Memory Backup

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Ordering guidance

A reliable replacement starts with an exact match

Similar-looking batteries and accessories can use different voltage, chemistry, connectors or polarity. Verify the label and physical fit before purchase.

View the battery matching guide
Is matching the voltage enough?

No. Chemistry, dimensions, connector type, polarity, terminal position and charging requirements must also match.

Which number should I compare?

Use the complete model or part number printed on the original item. Include every prefix, suffix, dash and revision where shown.

What if my device model is not listed?

Do not assume compatibility from appearance alone. Compare the original part number and specifications or confirm the requirements in the device documentation.