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Ten cylindrical lithium batteries with black plug connectors in a row

TOPMAO

TOPMAO CR14250SE 1800mAh 3V battery 10pcs

SKU CH-81SG-8QHFV MPN CR14250SE

Pack of ten 3 V lithium 1/2 AA cells rated at 1800 mAh with black plug for PLC backup

  • TypeBatteries
  • Voltage3V
  • Amps1800mah
  • 1800 mAh capacity keeps PLC memory alive during power loss
  • 3 V lithium chemistry delivers stable voltage for CNC and servo systems
  • Wide -40 °C to +85 °C range suits harsh industrial environments
  • Low self-discharge preserves charge during long storage periods
  • 10-piece pack with black plug simplifies bulk replacement across multiple machines

Industrial backup battery pack

This pack contains ten TOPMAO CR14250SE lithium cells, each rated at 1800mAh and 3V. They are non-rechargeable and fitted with a black plug for direct connection to equipment such as PLCs, CNC controllers and real-time clocks.

Sustained-load behaviour

Low self-discharge keeps voltage stable during long standby periods in electricity meters, water meters and memory-backup circuits. The chemistry operates across a wide temperature range from -40 to +85°C, so output remains consistent in unheated workshops or outdoor cabinets.

Deciding specification

The 1/2AA form factor measures 33.5 by 17mm and matches the 1747-BA footprint required by many Allen-Bradley and compatible PLC modules. Buyers whose devices need a different pin layout, a rechargeable cell or a larger capacity must choose another part.

Highlights

  • 1800 mAh capacity keeps PLC memory alive during power loss
  • 3 V lithium chemistry delivers stable voltage for CNC and servo systems
  • Wide -40 °C to +85 °C range suits harsh industrial environments
  • Low self-discharge preserves charge during long storage periods
  • 10-piece pack with black plug simplifies bulk replacement across multiple machines

Specifications

TypeBatteries
BrandTOPMAO
ModelCR14250SE 1747-BA
Voltage3V
Amps1800mah

Questions about this item

Does the 3 V lithium cell generate noticeable heat or self-discharge during continuous backup use?

The non-rechargeable lithium chemistry has a low self-discharge rate and operates across a -40 to +85 °C range, so it stays cool and retains charge in long-term service.

What connector must the target device already provide for the black plug on these cells?

Each cell includes a black plug wired for the 1747-BA interface, so the equipment needs the matching 1747-BA socket.

Will the 33.5 mm by 17 mm form factor fit the same slot that held the original 1/2 AA battery in my older PLC?

Yes, the CR14250SE dimensions match the standard 1/2 AA footprint used in legacy PLC and CNC memory-backup sockets.

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