Best Gardena 18v Akku 2026

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Last Updated - 27.03.2026

Best Choice

01

Gardena

Gardena System Battery P4A PBA 18V/72: accessory for many Gardena garden tools (trimmer, blower and hedge trimmer), 4.0 Ah capacity, charging time is approx. 90 minutes (14905-20)

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22% Off
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Quick charging: You want to continue working with your device as soon as possible – the battery can be charged up to 80% within 40 minutes using the Ready-To-Go function
Power for your garden tools: Emission-free, environmentally friendly and with maximum freedom of movement – powerful 18 volt batteries for a clean environment
One battery – many options: The powerful Power For All system battery is cross-market compatible with other devices from leading manufacturers for use in the home and garden
High capacity: The Gardena System Battery P4A PBA 18V/72 is a strong and reliable energy source thanks to the easy-care Li-ion battery cells – low self-discharge and no memory effect
Box contents: 1 x Gardena system battery P4A PBA 18V/72

65,99 € 84,99 €(22% Off off)
02

Gardena

Gardena Smart Battery BLi-40/100: Accessories

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Robust and lightweight aluminium housing: for any purpose at only 460 g
Original Gardena replacement part
LED display: Powerinfo shows the current charging status at the touch of a button
High capacity: 2.6 Ah for a long run time
Box contents: 1x Gardena system battery BLi-18

52,90 €
Value for Money

03

Gardena

Gardena System Battery P4A PBA 18V/45: accessory for many Gardena garden tools (trimmer, blower and hedge trimmer), 2.5 Ah capacity, charging time is approx. 60 minutes (14903-20)

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43% Off
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Quick charging: You want to continue working with your device as soon as possible – the battery can be charged up to 80% within 40 minutes
Power for your garden tools: Emission-free, environmentally friendly and with maximum freedom of movement – powerful 18 volt battery for a clean environment
One battery – many options: The powerful Power For All system battery is cross-market compatible with other devices from leading manufacturers for use in the home and garden
High capacity: The Gardena System Battery P4A PBA 18V/45 is a strong and reliable energy source thanks to the easy-care Li-ion battery cells – low self-discharge and no memory effect
Box contents: 1 x Gardena system battery P4A PBA 18V/45

43,99 € 76,99 €(43% Off off)
04

Gardena

GARDENA Starter Kit P4A: battery set for all Gardena garden tools, with Li-Ion battery, 1x PBA 18V/45 2.5 Ah, battery, AL 1810 CV charger, energy class A (14910-20)

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Reliable: With the fast charger the battery can be charged at any time and without the memory effect in a short time
Power source: With 18 V/2.5 Ah power and lithium-ion battery cells, the battery provides power for your device
One battery – many options: The powerful Power For All system battery is cross-market compatible with other devices from leading manufacturers for use in the home and garden
Including Batteries: The set also includes 2 lithium-ion batteries
Box contents: 1 x Gardena starter kit P4A, 1 x PBA 18V/45 2.5 Ah battery, AL 1810 CV charger

50,92 €
05

Gardena

GARDENA Starter Kit P4A 1 x PBA 18V/45 2.5 Ah + AL 18V-20

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39% Off
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Withstands various weather conditions
Suitable for various garden and lawn care tasks
GARDENA Starter kit P4A 1 x PBA 18V/45 2.5 Ah + AL 18V-20
Easy to use
Easy to clean

42,99 € 69,99 €(39% Off off)
06

LONG FIT

18V 3.5Ah Replacement Battery for Gardena BLi-18 9840-20 9839-20, Compatible with Gardena Li-ion System Li-18 Tools, Suitable for Original Gardena 18V Li-ion Charger 8833-28, 8832-20 (1)

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Specification】: Battery type: lithium-ion, voltage: 18V, capacity: 3500mAh, power: 63Wh. Replacement for the original Gardena 18V battery 9839-20, 9840-20, BLi-18.
【Excellent Customer Service】: All replacement batteries for Gardena BLi-18 come with a 30-day return policy and a 36-month product quality guarantee. We also offer 24-hour online support.
【Applicable models】: Compatible with all Gardena Li-ion system Li-18 tools: 5023-20 G9823-20 G9335-55 G9837-20 5039-20 1749-20 9837-20 9837-55 9838-20 9838 -55 1749-66 9335-20 9823-20 9825-20 8866-20 Also fits the Gardena 18V Li-ion charger 8833-28, 8832-20.
Safe and reliable: and have protection functions against overdischarge, overheating, overload and short circuit for safe and worry-free operation without memory effect.
3500 mAh high capacity: high-performance replacement battery with 18 V for Gardena BLi-18 with advanced cells for long-lasting performance. The LED indicator shows the remaining battery level to make your work more efficient.

32,99 €
07

GGiking

Pack of 2 18 V 5000 mAh Replacement Batteries for Bosch PBA/PSB/PSR, Compatible with Gardena/Wagner 18 V Devices, Suitable for AL1880CV Charger (Not Compatible with Unlimited Series)

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20% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Long running time and no memory effect. With a capacity of 5.0 Ah, the battery offers 43% more running time than conventional 3.5 Ah batteries and thus meets the requirements for long-lasting work such as garden care or DIY projects. The battery has no memory effect - it can be charged or discharged at any time without affecting capacity, and has a cycle life of up to 1000 times.
High quality price-performance ratio: the per battery is only 1/3 of the original from Bosch. With the 2-pack, you will not only save costs, but also benefit from multi-brand compatibility - you no longer need separate batteries for different tool brands, which is ideal for DIY enthusiasts and hobbyists.
High capacity and multi-brand compatibility: this package contains 2 pieces of 18 V 5000 mAh lithium-ion replacement batteries that perfectly fit Bosch PBA/PSB/PSR series home and garden tools. In addition, they are compatible with 18V devices from Gardena, Wagner, Rapid and other brands. A detailed list of compatible models can be found in the product photos.
Clear charger compatibility and usage instructions: battery is compatible with AL1810CV, AL1830CV, AL1880CV and AL18815CV chargers (not compatible with AL2215CV/AL2204CV). To prolong the life of the battery, let it cool for 5-10 minutes before charging and fully charge before first use.
6-way protection function and certified safety: Built-in intelligent protection chip provides comprehensive protection against overcharging, over-discharge, overheating, over-current, over-voltage and short circuit. The battery meets EU CE and RoHS safety standards, protects both the tool and the battery itself and guarantees safe use.

39,99 € 49,99 €(20% Off off)
08

GGiking

Pack of 2 18 V 5000 mAh Replacement Batteries for Bosch PBA/PSB/PSR, Compatible with Gardena/Wagner 18 V Devices, Suitable for AL1880CV Charger (Not Compatible with Unlimited Series)

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Long running time and no memory effect. With a capacity of 5.0 Ah, the battery offers 43% more running time than conventional 3.5 Ah batteries and thus meets the requirements for long-lasting work such as garden care or DIY projects. The battery has no memory effect - it can be charged or discharged at any time without affecting capacity, and has a cycle life of up to 1000 times.
High quality price-performance ratio: the per battery is only 1/3 of the original from Bosch. With the 2-pack, you will not only save costs, but also benefit from multi-brand compatibility - you no longer need separate batteries for different tool brands, which is ideal for DIY enthusiasts and hobbyists.
High capacity and multi-brand compatibility: this package contains 2 pieces of 18 V 5000 mAh lithium-ion replacement batteries that perfectly fit Bosch PBA/PSB/PSR series home and garden tools. In addition, they are compatible with 18V devices from Gardena, Wagner, Rapid and other brands. A detailed list of compatible models can be found in the product photos.
Clear charger compatibility and usage instructions: battery is compatible with AL1810CV, AL1830CV, AL1880CV and AL18815CV chargers (not compatible with AL2215CV/AL2204CV). To prolong the life of the battery, let it cool for 5-10 minutes before charging and fully charge before first use.
6-way protection function and certified safety: Built-in intelligent protection chip provides comprehensive protection against overcharging, over-discharge, overheating, over-current, over-voltage and short circuit. The battery meets EU CE and RoHS safety standards, protects both the tool and the battery itself and guarantees safe use.

49,99 €
09

REACELL

REACELL 18 V 4000 mAh 9839-20 Battery Compatible with Gardena Battery 18 V BLi-18 9840-20 9839-20 Compatible with Gardena Li-ion System Li-18 Tools 5023-20 5039-20 9837-20

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15% Off
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Safe and reliable: with protective functions against overdischarge, overheating, overload and short circuit, it can be operated safely and worry-free and there is no memory effect
Replacement battery for Gardena 9839-20 battery: battery type: lithium-ion, voltage: 18 V, capacity: 4000 mAh, replacement battery for Gardena 18 V battery 9839-20, 9840-20, BLi-18.
Please confirm that your device is compatible with this battery before purchasing. If you are not sure whether it is compatible, please feel free to contact us. We will do our best to help you solve the problem.
Applicable models: replacement battery compatible with Gardena system battery BLi-18, 9840-20, 9839-20, replacement battery for Gardena Li-18 18V tools 5023-20, 5023-55, 5039-20, 5039-55, 9837-20, 9837-55. 5, 5, 9838-20, 9838-55, 1749-20, 1749-61, 1749-66, 9335-20, 9335-55, 9823-20, 9825-20, 8866-20, 8866-55 (Replacement battery, not original). Please note that you need to confirm whether your device model is compatible with our battery model before purchasing.
4000 mAh high capacity: the REACELL 4000 mAh lithium-ion battery with high capacity is a powerful 18 V replacement battery for Gardena battery BLi-18 with long-lasting performance. Work more efficiently by immediately checking the remaining battery charge at the touch of a button

33,99 € 39,99 €(15% Off off)
10

REACELL

REACELL 18 V 4000 mAh 9839-20 Battery Compatible with Gardena Battery 18 V BLi-18 9840-20 9839-20 Compatible with Gardena Li-ion System Li-18 Tools 5023-20 5039-20 9837-20

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Safe and reliable: with protective functions against overdischarge, overheating, overload and short circuit, it can be operated safely and worry-free and there is no memory effect
Replacement battery for Gardena 9839-20 battery: battery type: lithium-ion, voltage: 18 V, capacity: 4000 mAh, replacement battery for Gardena 18 V battery 9839-20, 9840-20, BLi-18.
Please confirm that your device is compatible with this battery before purchasing. If you are not sure whether it is compatible, please feel free to contact us. We will do our best to help you solve the problem.
Applicable models: replacement battery compatible with Gardena system battery BLi-18, 9840-20, 9839-20, replacement battery for Gardena Li-18 18V tools 5023-20, 5023-55, 5039-20, 5039-55, 9837-20, 9837-55. 5, 5, 9838-20, 9838-55, 1749-20, 1749-61, 1749-66, 9335-20, 9335-55, 9823-20, 9825-20, 8866-20, 8866-55 (Replacement battery, not original). Please note that you need to confirm whether your device model is compatible with our battery model before purchasing.
4000 mAh high capacity: the REACELL 4000 mAh lithium-ion battery with high capacity is a powerful 18 V replacement battery for Gardena battery BLi-18 with long-lasting performance. Work more efficiently by immediately checking the remaining battery charge at the touch of a button

39,99 €