GARDENA
Gardena 124562 Mahroboter R40Li Replacement Battery
Best replacement battery for robotic lawn mower owners needing reliable power.
Keep your Gardena robotic lawn mower running smoothly with this high-quality replacement battery. Engineered with advanced Lithium-ion technology, it delivers reliable 18V power and a 1500mAh capacity for consistent performance. This maintenance-free battery is designed for easy installation and is compatible with numerous Gardena robotic models. Backed by a 1-year warranty, it offers a dependable solution for your yard maintenance needs, ensuring your mower operates efficiently season after season.
$41.69
Owner Satisfaction
4.5
/ 5
Category Rank
8
/ 135
#8 in Outdoor Power Equipment Batteries
Price vs Category Average
-70%
Below average
Voltage
18
/ V
Who it's for
- Gardeners needing reliable, long-lasting power without memory effect issues
- Owners seeking guaranteed compatibility and seamless mower integration
- Users wanting to restore original cutting area and runtime
Who should skip it
- Owners looking for a permanent, one-time power solution
- Budget-conscious buyers preferring cheaper third-party alternatives
- Users uncomfortable with basic mechanical maintenance and internal access
Performance breakdown
Installation Simplicity
Slide-on design ensures a quick, frustration-free swap for any user.
Compatibility Range
Broad support for multiple Gardena part numbers simplifies the replacement process.
Energy Density
Standard 1.5Ah capacity provides reliable, consistent runtime for typical residential lawns.
Build Durability
Robust construction withstands the rigors of outdoor robotic mower environments.
Maintenance Requirements
Advanced lithium-ion chemistry eliminates the need for any ongoing manual upkeep.
Warranty Coverage
One-year protection offers peace of mind for seasonal yard maintenance cycles.
Key Specs
Voltage
18V
Capacity
1500mAh (1.5Ah)
Chemistry
Li-ion (Lithium-ion)
Weight
0.7 lb
Dimensions
2.78 in. L x 2.6 in. W x 2.25 in. H
Compatible with Gardena Part #
505 69 73-20, 574 47 68-01, 574 47 68-02, 574 47 68-03, 586 57 62-01
Warranty
1 Year
Battery Form Factor
Slide-on
Features
- Reliable replacement for Gardena mowers
- Advanced Li-ion technology
- Maintenance-free operation
- Consistent power delivery
- Easy installation
- Durable construction
- 1-year warranty included
What customers say
This replacement battery earns strong praise primarily for its seamless compatibility and performance restoration for the R40Li mower. Customers appreciate the exact fit and straightforward installation, quickly returning their robotic mowers to full operational capacity. The unit successfully restores original mowing duration and coverage, proving highly reliable for maintaining automated lawn care schedules. While the guaranteed quality and peace of mind from using an official part justify the expense for many, a significant number of users feel the official battery carries a premium price tag compared to cheaper alternatives. Overall, the sentiment is highly favorable regarding function and quality, positioning this as an essential, high-performing component that reliably extends the mower's life.
Know before you buy
Check your current battery or mower manual for one of the compatible part numbers: 505 69 73-20, 574 47 68-01, 574 47 68-02, 574 47 68-03, or 586 57 62-01. If your existing battery matches one of these codes, this replacement will fit your unit.
No, the battery features a standard slide-on form factor designed for quick and easy installation. You should be able to swap it out using basic hand tools without needing professional assistance.
No, this is a maintenance-free Lithium-ion battery. You do not need to perform any special conditioning or discharge cycles to keep it running effectively.
The 1500mAh capacity is designed to match the original specifications of your Gardena R40Li mower. While exact runtime depends on your lawn's terrain and grass density, it will provide consistent power delivery comparable to your mower's factory-original performance.
The 1-year warranty covers defects in materials and workmanship under normal use. It provides peace of mind that the battery will perform reliably throughout your first full mowing season.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$42