LMO 1833 Battery Set - Lawn mower Kärcher - Free user manual and instructions

Product type	Cordless lawn mower
Brand	Kärcher
Model	LMO 1833 Battery Set
Cutting width	33 cm
Battery system	Kärcher Battery Power 18 V / 36 V
Battery type	Lithium-ion (Li-ION)
Battery capacity	2.5 Ah or 5.0 Ah depending on version
Nominal voltage	18 V (or 36 V for dual battery version)
Nominal power	45 Wh to 90 Wh depending on battery
Operating temperature	-20 °C to 40 °C
Charging temperature	4 °C to 40 °C
Storage temperature	-20 °C to 60 °C
Battery weight (depending on capacity)	0.5 kg to 1.5 kg
Battery dimensions	133 x 88 x 50 to 117.5 mm
Display	Integrated screen: charge status, remaining time, error messages
Automatic storage mode	Discharge to 70% after 21 days of inactivity to protect cells
Overload protection	Integrated safety circuit
Compatible charger	Authorized Kärcher Battery Power/Battery Power+ chargers
Warranty	According to country conditions (see www.kaercher.com)
Maintenance	Clean contacts; store in a dry, temperate place
Safety	Do not expose to water, fire, or extreme temperatures

Frequently Asked Questions - LMO 1833 Battery Set Kärcher

How to charge the battery of the LMO 1833 lawn mower?

Use only an authorized Kärcher Battery Power or Battery Power+ charger. Plug the charger into a wall outlet, insert the battery. The screen displays the remaining charging time. A new battery may require up to 5 cycles to reach full capacity.

What to do if the battery screen shows nothing during charging?

Wait 2 minutes: if the screen then shows charging time, the battery is functional. If the screen remains empty, the battery is defective and must no longer be used. Disconnect it immediately and dispose of it according to regulations.

Why does the battery not charge and show a temperature symbol?

The battery temperature is too low (below 4 °C) or too high (above 40 °C). Place the battery in a room temperature environment (approx. 20 °C) and wait for the icon to disappear. Charging will resume automatically.

How to store the lawn mower battery in winter?

Store the battery indoors in a dry place, below 20 °C and low humidity. The screen shows the charge status. If not used for more than 21 days, automatic storage mode discharges it to 70% to preserve the cells.

Can the battery be used in the rain?

No. Do not expose the battery to water or moisture. If it gets wet, dry it immediately (contacts facing down) without a heat source. Using it wet can damage the device and present a risk of electric shock.

What does the battery icon with a hole mean on the screen?

The battery is defective and has been disabled for safety. Do not use the battery, do not recharge it, and do not store it. Dispose of it immediately according to environmental regulations.

How to clean the battery and the lawn mower?

Always disconnect the battery before maintenance. Clean the contacts with a dry cloth. For the mower, remove grass with a brush; do not use pressurized water. Store the unit in a dry place.

What is the battery lifespan?

Kärcher lithium-ion batteries have a lifespan of about 300 to 500 full charge cycles, depending on usage and storage conditions. The automatic storage mode helps extend this duration.

Can I use a 36 V battery on the LMO 1833 lawn mower?

The LMO 1833 is designed for 18 V voltage. Use only compatible 18 V batteries. A 36 V battery can damage the device and void the warranty. Check the voltage on the rating plate.

What to do if the battery discharges too quickly?

Check that the battery is fully charged. A cutting height that is too low or dense grass can increase consumption. Recharge after use. If the problem persists, the battery may be at the end of its life; replace it.

USER MANUAL LMO 1833 Battery Set Kärcher

Simple line drawing of a rectangular object with internal lines and a battery symbol, no text or labels present.

Allgemeine Hinweise

Read the original instructions and the operating instructions for the KÄRCHER Battery Power / Battery Power+ device / charger in which the battery pack is to be used before using the battery pack for the first time. Keep all books for future reference or for the future owner.

Hazard levels

⚠️DANGER

- Indication of an imminent threat of danger that will lead to severe injuries or even death.

⚠ WARNING

- Indication of a potentially dangerous situation that may lead to severe injuries or even death.

⚠CAUTION

- Indication of a potentially dangerous situation that may lead to minor injuries.

ATTENTION

- Indication of a potentially dangerous situation that may lead to damage to property.

Safety instructions

• Check the battery pack for damages before every operation. Do not use any damaged battery packs.
• Remove the battery pack from the device before carrying out any service or care work.
• Do not subject the battery pack to mechanical stress.
• Do not drop the battery pack.
• Do not immerse the battery pack in water or hold it under a water stream.
• Do not use the battery pack in a dirty or wet condition.
• If the battery pack gets wet, dry it immediately. Make sure that no moisture remains on the contacts.
• Do not store or charge the battery pack in a damp or wet environment.
• Only charge the battery pack with the approved chargers.
• Do not charge the battery pack in explosive environments. Check the condition of the battery pack and charger regularly during the charging process.
• If you notice a fault, unusual smells or the development of heat during charging, disconnect the charger from the mains and the battery pack from the charger. Dispose of the battery pack and charger

immediately and follow the applicable regulations on transport and disposal.

• Do not use, charge or store the battery pack in an explosive environment or near flammable objects.
• Do not throw the battery pack into fire.
• Protect the battery pack against heat, sharp edges, oil, solvents, detergents and moving unit parts.
• Short circuit hazard. Protect the contacts of the battery pack from metal parts and do not store it together with metal parts.
• Do not open the battery pack. Repairs are only to be carried out by qualified personnel.
• Avoid contact with fluid leaking from defective batteries. Immediately rinse off the fluid using water if contact is made, and also consult a doctor in the event of contact with the eyes.
• Dispose of the battery pack at the end of its service life in accordance with the applicable regulations.

Safety instructions for transportation

The lithium-ion battery is subject to the requirements of dangerous goods regulations.

The battery pack can be transported by the user in public traffic areas without any further restrictions.

When shipping by third parties (transport companies), special requirements for packaging and labelling must be observed.

Do not use the battery pack if the casing is damaged. Tape off open contacts.

Pack the battery tightly and securely. The battery pack must not be able to move in the packaging.

⚠️DANGER

- A defective or non-functional battery pack must not be mailed and must be disposed of on site in accordance with the applicable regulations.

Observe the national regulations.

Intended use

CAUTION

Risk of explosion!

Risk of injury and damage due to exploding battery pack.

Charge, use and store only undamaged and fully functional battery packs.

Modifications and changes not authorised by the manufacturer are prohibited.

Any other use is prohibited. The user shall be liable for hazards arising as a result of improper use.

Charge and use the battery pack only with devices from the KÄRCHER 18 V / 36 V Battery Power / Battery Power+ system.

ATTENTION

Battery packs can only be used with devices of the same voltage type (18 V or 36 V)! Do not use or charge battery packs with devices with a different voltage type. Before use, check that the voltage type (18 V / 36 V) of the battery pack and the device match.

The voltage information can be found on the device, on the battery pack and its nameplate.

Environmental protection

The packing materials can be recycled. Do not dispose of packaging as household rubbish but place it in recycling.

Old devices contain valuable, recyclable materials that should be recycled. Batteries and battery packs contain substances which should not be released into the environment. Therefore, please

dispose of old devices, batteries and battery packs using suitable collection systems.

Adhere to the recommendations of the legislature regarding the handling of lithium ion batteries. Dispose of used and defective battery packs in accordance with the applicable regulations.

Notes on the content materials (REACH)

Current information on content materials can be found at: www.kaercher.de/REACH

Warranty

The warranty conditions issued by our sales company responsible apply in all countries. We shall remedy possible malfunctions on your device within the warranty period free of cost, provided that a material or manufacturing defect is the cause. In a warranty case, please contact your dealer (with the purchase receipt) or the next authorised customer service site. You can find them at www.kaercher.com

Symbols on the device

For the illustrations, refer to the graphics page

Figure 1 Do not throw the battery pack into water.

Figure 2 Do not throw the battery pack into fire.

Figure 3 Only charge the battery pack with the charg-ers approved for charging.

Figure 4 Do not charge defective battery packs.

Operation

Display

The battery pack is equipped with a display. The following information can be read on the display:

• Charging state
• Remaining run time

• Remaining charging time
- Error messages

Note
The run time adjustment is generated via capacity switching!

Display Meaning
Battery pack in storage	Charging state of the battery pack while not in use.	Figure A
Battery pack in use	Remaining run time of the battery pack while in use.	Figure B
Battery pack charging	Remaining charging time of the battery pack during charging.	Figure C
	The battery pack is fully charged.	Figure D

Display Meaning
Error display (see also chapter "Help in the event of faults")	The battery pack temperature lies outside the permissible temperature range or the battery pack is disabled due to a short circuit.	Figure E
	Battery pack is defective and disabled for safety. Do not use the battery pack and dispose of it properly.ATTENTIONRisk of damage!The symbol disappears over time, but the battery pack is still defective!If nothing is shown in the display 2 minutes after the start of the charging process, the battery is defective and must not be charged any further.	Figure F

Charging process

Note

New battery packs are only pre-charged and must be fully charged before first use.

The display is activated during the first charging process.

New battery packs reach their full capacity after approx. 5 charging and discharging cycles.

Charge battery packs that have not been used for a long time before use.

The battery pack cannot be charged outside the permissible temperature value range. The battery pack display then shows the temperature symbol.

If the display does not show anything during the charging process, please follow the notes in the "Troubleshooting" chapter.

Note

The charging current and the necessary charging time is temperature-dependent for safety reasons.

Operation

⚠️ CAUTION

Incorrectly inserted battery pack

Risk of injury or damage due to the cleaning robot falling.

When used in the device, the contacts of the battery pack are protected against spray water. Ensure that the battery pack engages correctly. With the battery pack removed, make sure that no water gets on the electrical contacts of the battery pack and the device. If there is water there, dry it immediately (by wiping it off / shaking it out) and place the battery pack with the contacts facing down so that the water can drain off. Do not use any heat sources for drying.

Note

The display shows the remaining run time in minutes while the device is in use.

1. Push the battery pack into the mounting on the device.

2. Remove the battery pack from the device after completing the work.

Charge partly discharged battery packs after use.

Storage

ATTENTION

Moisture and heat

Risk of damage

Store battery packs indoors only, at low humidity and temperatures below 20^ C.

The battery pack display shows the current charging state during storage.

Note

The battery pack has an automatic storage mode; the storage mode is activated and discharges the battery pack to 70% if the battery pack has not been used for more than 21 days. This function protects the battery cells against rapid ageing and increases their service life.

Troubleshooting guide

Malfunctions often have simple causes that you can remedy yourself using the following overview. When in doubt, or in the case of malfunctions not mentioned here, please contact your authorised Customer Service.

General fault

Display shows broken battery symbol

Battery pack is defective and disabled for safety.

1. Do not use, charge, or store the battery pack.
2. Dispose of the battery pack in the correct manner.

Faults during charging

Battery pack not charging, indicator lamp on quick charger off, display off

The quick charger is defective.

1. Replace the quick charger.

Battery pack not charging, display is on

Defective charger.

1. Replace the charger.

Battery pack not charging, display is off

Battery pack is completely discharged or defective.

1. Wait and see if the display shows the remaining charging time after 2 minutes.
   If the display shows the remaining charging time after the waiting time, the battery pack can be used normally.

2. If the display does not appear, the battery pack is defective and may no longer be used. Immediately disconnect the battery pack from the charger and dispose of it according to regulations.

Battery pack not charging, display shows the temperature symbol

The battery pack temperature is too low/high.

1. Put the battery pack in a moderate temperature environment and wait until the battery pack temperature returns to the normal range, see the "Technical data" chapter.

The charging process begins automatically.

Faults during operation

Display shows the temperature symbol

The battery pack temperature is too low/high.

1. Remove the battery pack, let the battery pack cool down until the temperature symbol disappears again.

Current consumption too high

The safety circuit of the battery pack prevented excessive current consumption.

1. To unlock, remove the battery pack from the device until the temperature symbol disappears and insert it again.

If the temperature symbol does not go out after 30 seconds:

1. Connect the battery pack to the charger to unlock it.

Display shows remaining run time 0, device switches off

The battery pack is discharged.

1. Charge the battery pack.

Storage faults

Display shows no remaining capacity

The battery pack is discharged.

1. Charge the battery pack.

Display shows a remaining capacity of 70%, even though the battery pack has been fully charged The battery pack is in automatic storage mode. The storage mode is activated if the battery pack has not been used for more than 21 days. This function protects the battery cells against rapid ageing and increases their service life.

1. Fully recharge the battery pack before next use.

Technical data

18/25 18/50 36/25 36/50

Electrical connection
Battery pack nominal voltage V 18 18 36 36
Battery platform Battery Pow-er		Battery Pow-er	Battery Pow-er	Battery Power
Compatible with battery platform Battery Pow-er +		Battery Pow-er +	Battery Pow-er +	Battery Power +
Battery pack type Li-ION Li-ION Li-ION Li-ION
Rated capacity (according to IEC/EN 61960) Ah 2,5 5,0 2,5 5,0
	18/25	18/50	36/25	36/50
Rating Wh 45 90 90 180
Charging power max. A 3,5 7,5 3,5 7,5
Dimensions and weights
Weight kg 0,5 0,8 0,9 1,5
Operating temperature °C -20 - 40 -20 - 40 -20 - 40 -20 - 40
Charging temperature	°C 4 - 40	4 - 40	4 - 40	4 - 40
Storage temperature	°C -20 - 60 -20 - 60 -20 - 60 -20 - 60
Length x width x height	mm 133 x 88 x 50	133 x 88 x 72	133 x 88 x 72	133 x 88 x 117,5

Subject to technical modifications.

Remarques générales

De snellader is defect.

Accupack is volledig ontladen of defect.

Aku plattvorm Battery Power Battery Power Battery Power Battery Power

Ühildub aku platvormiga Battery Power + Battery Power + Battery Power + Battery Power +

Akupaki tüüp Li-ION Li-ION Li-ION Li-ION

Juos rasite www.kaercher.com

Symbol of a trash bin crossed with no text or labels