Batteries for Robomow robotic lawnmowers
Battery types and lifespan
Robomow has moved from older battery technology such as NiMH to today’s standard – Li‑Ion and sometimes Li‑FePO₄ (lithium iron phosphate). These modern batteries have high energy density, low self-discharge and can handle many more charge cycles. In general, Li‑Ion batteries have a lifespan of around 4 years and 500–800 charge cycles, while Li‑FePO₄ can handle between 1,000–2,000 cycles and often last 5 years or more. Although technology has improved, the battery will eventually need to be replaced.
How do you know when the battery needs to be replaced?
If the lawnmower has reduced run time despite being fully charged, this indicates battery wear.
Messages on the display such as “ Replace Power Pack ” or recurring “ Short run time ” also indicate that the battery has reached the end of its life cycle.
Severely reduced capacity even under the best of conditions is another clear signal.
Important things to consider when replacing and installing batteries
Use only quality batteries that meets the manufacturer's specifications.
Follow the installation procedure carefully: Turn off the lawnmower, unplug it, and take special care to connect the battery with the correct polarity – incorrect connection can cause damage
Handle the battery with care – damage, cracks or leakage can be dangerous. In case of leakage, rinse with soap and water, avoid contact with eyes, and seek medical attention if necessary.
Use only the power supply provided or recommended. The wrong type may cause overheating, electrical failure or fire.
When the battery is not in use, especially over the winter, the lawnmower should be charged to approximately 80% and stored dry and frost-free – this protects the battery and extends its lifespan.
Click on your model in the table below to find the battery that fits your Robomow model.