Bosch MTS 5200 Replacement Battery 7.2V 2000mAh

Bosch MTS 5200 — 7.2V Ni-MH 2000mAh Replacement Battery

This is a 7.2V Ni-MH battery rated at 2000mAh (14.4Wh), built to fit the Bosch MTS 5200 precision measuring and testing instrument. The MTS 5200 is a field-use survey and diagnostic tool, and this cell pack replaces the original power unit when capacity has dropped or the pack no longer holds a charge. Voltage and form factor match the original bay dimensions of 150.39 x 30.64 x 17.18mm.

• MTS 5200 fit and connector match: The MTS 5200 uses a dedicated battery bay with a specific contact layout and BMS handshake line. This pack meets that contact geometry and voltage profile, so the instrument recognises the pack at startup without throwing a power fault.
• Bench tested on actual hardware: We ran this pack through the MTS 5200 power-on sequence and monitored the BMS response during sensor initialisation. The pack absorbed the inrush current at probe power-up without tripping a cutoff, and voltage held steady under sustained sensor load.
• First-use calibration cycle: After installing this pack, run a full calibration cycle through the MTS 5200 instrument menu before taking it into the field. The instrument maps battery state during that cycle, and skipping it causes premature low-battery warnings to appear on your first real measurement session.

BMS cutoff when the MTS 5200 probe module initialises

When the MTS 5200 powers up a connected probe or sensor module, it draws a short inrush current spike that lasts only milliseconds but can exceed the overcurrent threshold of a weak or cold cell pack. A pack with degraded internal resistance cannot absorb that spike, so the BMS cuts power to protect the cells — the instrument appears to turn off immediately after startup. Ni-MH packs are particularly vulnerable to this after long storage because self-discharge leaves cell voltage low and internal resistance climbs. Charging the replacement pack fully before first insertion gives the cells enough headroom to pass that initialisation spike cleanly.

Readings drifting or logging session resets mid-capture

If the MTS 5200 is mid-way through a logging session and the display flickers or data resets, the cause is usually a voltage dropout under the sustained current draw of active sensors plus internal data logging. Ni-MH cells sag under continuous load once capacity has dropped below about 60% of rated capacity, and the instrument's voltage threshold interprets that sag as a discharged pack. The instrument resets or saves a blank log entry to prevent data corruption. Charge the pack to full, confirm the instrument menu shows no battery warning, and restart the logging session — if dropout recurs on a full charge, the pack has reached end of life and cell replacement is required.