List of battery models
This section describes the model, recommended replacement years, and weight of the absolute battery and system battery.
Absolute battery
An absolute battery is a battery that maintains the home position information of the robot.
Controller | Model | Recommended replacement interval | Weight |
---|---|---|---|
ERCX SRCX DRCX |
KR4-M4251-10(B1) | Approx. 1 year | 80g |
KR4-M4251-00(B2) | 270g | ||
SR1-X | KAS-M53G0-12 | 20g | |
SR1-P | Not used | ||
LCC140 | Not used | ||
TS-X | KCA-M53G0-10 | Approx. 1 year | 35g |
TS-SH | KCA-M53G0-02 | 20g | |
RCX40 RCX142 |
KS4-M53G0-10(B3) | 270g | |
KS4-M53G0-20(B4) | 530g | ||
RCX240/240S | KAS-M53G0-12 | 20g | |
RCX222(HP) | KAS-M53G0-12 | 20g | |
RCX221(HP) | Not used | ||
RCX320 | KCA-M53G0-02 | Approx. 1 year | 20g |
RCX340 |
- ◎
- The model number printed on the battery itself is the last three digits, but this third digit is a compatible revision number and is not required when ordering.
Please tell us the model number of this list.
<Precautions for Absolute Battery Replacement>
Turn off the power to the controller before replacing the absolute battery to prevent danger.
If the absolute battery is removed while the power is off, home return is not completed.
Perform the home return operation after turning the power OFF and ON again.
(For details on how to replace the controller, refer to the controller's manual.)
System battery
The system battery is a battery that holds programs, point data, and other items inside the controller.
Controller | Model | Recommended replacement interval | Weight |
---|---|---|---|
ERCX SRCX DRCX |
KR8-M4251-00 | Approx. 4 year | 6.9g |
SR1-X | KAS-M53G0-01 | 9g | |
SR1-P | |||
LCC140 | KDK-M4252-00 | ||
TS-X | Not used | ||
TS-SH | Not used | ||
RCX40 RCX142 |
KX0-M53G3-00 | Approx. 4 year | 9g |
RCX240/240S | KX0-M53G3-00 ※ | ||
KAS-M53G0-01 ※ | |||
RCX222(HP) | KAS-M53G0-01 | ||
RCX221(HP) | |||
RCX320 | |||
RCX340 |
- ◎
- The model number printed on the battery itself is the last three digits, but this third digit is a compatible revision number and is not required when ordering.
Please tell us the model number of this list.
<Precautions on System Battery for RCX240>
※RCX240 battery has been changed to an incompatible battery in about 2011-12 years.
If you obtain a system battery for a RCX240 manufactured during this period, please note the serial number of the controller and contact us to identify the type of system you are using.

Robotics Operations
Sales & Marketing Section
FA Sales & Marketing Division
127 Toyooka, Kita-ku, Hamamatsu, Shizuoka 433-8103, Japan
Telephone 81-53-525-8350 /
Facsimile 81-53-525-8378