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Small green rectangular CMOS battery with wire leads

Cameron & Co

Cameron & Co DS-CS-MC3100BU CMOS Battery Ni-MH 2.4V 20mAh

SKU CH-E95F-AS0DQ

A replacement CMOS battery for Symbol MC3100 and MC3190 handhelds, Ni-MH 2.4 V 20 mAh, measuring 30.86 × 12.00 × 4.25 mm

  • TypeBattery
  • Keeps system clock accurate with 2.4V 20mAh Ni-MH power
  • Direct replacement for Symbol MC3100 and MC3190 series devices
  • Matches original CS-MC3100BU part number for guaranteed fit
  • Compact 30.86 x 12.00 x 4.25 mm design installs easily
  • Brand new Cameron Sino battery delivers reliable CMOS backup

Cameron & Co DS-CS-MC3100BU CMOS Battery

This nickel-metal hydride CMOS battery delivers 2.4 volts and 20 milliampere-hours of capacity for compatible Symbol mobile computers. It replaces the original CS-MC3100BU part and fits devices including the MC3100, MC3190, MC3190Z, PPT8800 and PPT8846 series. The green cell measures 30.86 by 12.00 by 4.25 millimetres and is supplied brand new.

Ni-MH Chemistry and Low-Current Limits

Nickel-metal hydride chemistry provides stable voltage for real-time clock and CMOS memory retention without the high self-discharge of older nickel-cadmium cells. The 0.02 ampere-hour rating suits the microampere draw of CMOS circuits but cannot power any active subsystem or peripheral. Solder tabs or connector orientation must match the original board layout; the battery is not a drop-in replacement for lithium coin cells or higher-voltage packs.

Capacity Headroom for CMOS Retention

At 0.05 watt-hours the cell comfortably maintains BIOS settings and system time for years in standby, even across extended power-off periods. It runs out when the host device demands more than the tiny trickle current the chemistry can sustain, so it is unsuitable for main-system backup or any load beyond the CMOS rail. Buyers needing a main removable battery or a higher-capacity CMOS cell for different hardware should look elsewhere.

Highlights

  • Keeps system clock accurate with 2.4V 20mAh Ni-MH power
  • Direct replacement for Symbol MC3100 and MC3190 series devices
  • Matches original CS-MC3100BU part number for guaranteed fit
  • Compact 30.86 x 12.00 x 4.25 mm design installs easily
  • Brand new Cameron Sino battery delivers reliable CMOS backup

Specifications

BrandCameron Sino
ModelDS-CS-MC3100BU
TypeBattery

Questions about this item

Should I pick the green Ni-MH 2.4 V 20 mAh version or another colour for my MC3190?

The supplier lists only the green Ni-MH 2.4 V 20 mAh variant; no alternative colours or capacities are offered for the MC3100, MC3190 or PPT8800 series.

How long will the 20 mAh capacity keep the real-time clock running inside an MC3100?

At 20 mAh the cell typically powers the CMOS clock for several years in a Symbol MC3100 or MC3190 before replacement is needed.

What connector standard does the DS-CS-MC3100BU use and what voltage does it deliver?

It uses the original two-pin CMOS connector for Symbol devices and delivers a steady 2.4 V to the real-time clock circuit.

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