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Kärcher 1.198-400.0 Compatible Battery 7.4V 2500mAh

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From $50.99 USD $62.99
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Fits Kärcher 1.198-400.0 and VCH2 cordless vacuums, replaces OEM battery 1.198-400.0.
7.4V, 2500mAh lithium-ion delivers full motor voltage under suction load on carpets and upholstery.
Connector slides into dock contact slot with positive terminal forward; locking tab seats flush against housing.
Bench testing showed BMS current limit stable under sustained motor draw; no cutoff drift across ten cycles.
Do not leave vacuum on charging dock continuously — trickle charge degrades capacity faster than charge-and-remove cycles.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

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⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.4V

Amp

2500mAh

Karcher VCH2 / 1.198-400.0 — 7.4V Li-ion Replacement Battery (1.198-400.0)

This 7.4V, 2500mAh Li-ion battery replaces the original pack in Karcher's VCH2 handheld cordless vacuum. It fits models listed under part number 1.198-400.0. Capacity matches the factory spec at 18.5Wh — no downgrade from the original.

  • VCH2 platform compatibility: The VCH2 and 1.198-400.0 share a single battery format — same voltage rail, same cell footprint, same BMS connector pinout. One pack covers both.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on the VCH2 platform. The BMS handshake completed correctly, protection thresholds triggered at expected voltages, and the vacuum's motor received full rated voltage under load.
  • Dock charging habit on the VCH2: The VCH2 charging dock does not cut off once full — it continues to pass current. Remove the vacuum from the dock once the charge indicator shows complete. Leaving it docked continuously accelerates capacity fade in the cell over time.

Suction dropping before the battery indicator reaches low on the VCH2

The VCH2 motor draws more current when airflow is restricted — a partially blocked filter forces the motor to work harder than rated. That extra draw causes the cell voltage to sag under load even when the battery still reads as charged. The BMS interprets sustained voltage sag as a protection event and reduces output to the motor. Clean or replace the filter first, then retest — if suction holds steady, the battery is not the cause.

VCH2 motor cutting out mid-use and recovering after a short pause

This pattern is a BMS overcurrent trip, not a dead battery. When suction is restricted — blocked nozzle, clogged filter, or debris jam — the motor pulls current beyond the BMS threshold and the pack shuts output off as a protective response. The brief pause allows the BMS to reset, which is why the vacuum starts again. Clear the blockage completely, then verify the filter is clean. If the cutout stops, the pack is functioning correctly — the fault was upstream of the battery.

Compatible Models

1.198-400.0 VCH2

Replaces Part Numbers

1.198-400.0

Technical Specifications

Voltage7.4V
Amp Hours2500mAh
Capacity2500mAh
Rate18.5Wh
Net Weight98g /3.46 oz
Gross Weight123g /4.34 oz
Approximate Weight123g /4.34 oz
Dimension 66.10 x 37.00 x 21.40mm

Product Highlights

  • Brand: Karcher
  • Manufacturer: CS
  • Series: Standard
  • Color: Blue
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My VCH2 loses suction halfway through a clean but the battery light still shows full — is the battery failing?

Not necessarily. A partially blocked filter forces the VCH2 motor to draw more current than rated, which causes cell voltage to sag under load even with charge remaining. That sag triggers reduced motor output before the battery indicator catches up. Clean the filter thoroughly, retest — if suction holds, the battery is not the issue. If sag continues with a clean filter, measure resting voltage at the pack terminals; a healthy cell should read 8.3–8.4V after a full charge.

The VCH2 cuts out after 10–15 seconds of use on carpet, then restarts fine after a few seconds — what's happening?

That cycle is a BMS overcurrent trip and recovery. Sustained restricted airflow — packed filter, debris jam at the nozzle — makes the motor pull beyond the pack's rated current threshold, so the BMS shuts output off to protect the cell. Clearing the blockage and cleaning the filter stops the trip from recurring. If the cutout continues on a fully clear path, the replacement pack's BMS may need a full charge-discharge cycle to calibrate its protection thresholds correctly.

The new battery charges fine but the VCH2's runtime feels much shorter than it used to — what causes that?

Short runtime on a freshly charged cell usually points to one of two causes: a partially restricted filter making the motor draw above rated current, or capacity fade in the charger dock from continuous charging habits carried over from the old pack. Check the filter first — even a 20% restriction measurably increases motor draw. If the filter is clear, put the new pack through two full charge-to-depletion cycles without leaving it on the dock overnight; Li-ion cells often settle to rated capacity after proper initial cycling rather than the first use.

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