Best Bli 20 2026

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Last Updated - 22.07.2026

Best Choice

01

vhbw

vhbw Battery Compatible with Gardena PowerMax Li-40/32, Li-40/37, Li-40/41 Lawn Mower Battery Garden Tool (5000 mAh, 40 V, Li-Ion)

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9.9

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

Replacement for Gardena 9842, 9843, 28311, 9843-20, BLi-40/100, BLi-40/160 battery in your 40V garden tool
Powerful replacement battery for lawnmowers, rechargeable, each battery cell is tested
Compliance with legal standards and standards, short circuit, overheating and surge protection
Compatible high-performance battery, capacity: 5000 mAh, voltage: 40 V, rated energy: 200 Wh, cell type: lithium-ion
Box contents: 1 x battery | spare parts, replacement batteries and accessories from vhbw

274,99 €
Value for Money

02

Husqvarna

Husqvarna BLi30 Battery 36V 270Wh - Powerful Battery for 300 Series Devices, Occasional Professional Use, Li-Ion with Extended Life

10% Off

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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

SYSTEM COMPATIBILITY: Seamlessly compatible with the entire Husqvarna 36V ecosystem, including all BLi-X chargers and devices – from light domestic applications to professional equipment.
PERFORMANCE: The cell construction ensures constant power output throughout the discharge cycle and maintains device performance from full charge to full discharge – without loss of power.
Intelligent: The integrated electronics communicate with the devices to optimise power output while protecting against overcharging, over-discharge and thermal problems.
DURABLE: Specially designed for 300 series chainsaws, hedge trimmers and leaf blowers that require continuous power output for intensive use.
CAPACITY & RUN - High built-in performance provides extended runtime for 300 Series devices and supports extensive care applications and occasional professional applications.

269,00 € 299,00 €(10% Off off)
03

Husqvarna

Husqvarna Bli200 967091901 Replacement Battery 36.0 V / 5.2 Ah (IEC) Li-Ion

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9.6

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

Voltage (V): 36
Design: Li-ion
Capacity according to IEC (Ah): 5, 2

175,00 €
04

Husqvarna

Husqvarna 40-B70 Battery 36V 2.0Ah - Lightweight, Fast Charging Battery for 100 Series Devices, Integrated Design with Active Cooling and LED Indicator

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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

User-friendly: the clear visual display communicates battery status and charging progress at a glance, allows effective work planning and eliminates any uncertainty about the charge level.
SYSTEM COMPATIBILITY: Specially designed for Husqvarna 100 series hedge trimmers, grass trimmers and leaf blowers, ensuring perfect integration and optimal performance.
INTELLIGENT: High quality cells support up to 600 full charge cycles and provide reliable performance for typical homeowner garden maintenance tasks for years to come.
FAST & SAFE: The advanced charging technology makes the battery ready for use quickly, while active cooling protects cell health during charging and demanding applications.
CAPACITY & RUN TIME: Optimized capacity-to-weight ratio ensures excellent runtime while minimizing user fatigue during overhead work and long trimming sessions with 100 series devices.

101,90 €
05

Gardena

Gardena Batería, Estándar, 10 x 10 x 10 cm

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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

Robust construction: suitable for any purpose
Power info: LED display shows the current charging status at the touch of a button
High battery capacity: 4.2 Ah for a long runtime
Box contents: 1x Gardena system battery BLi-40/160

220,00 €
06

Gardena

Gardena Smart Battery BLi-40/100: Accessories

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9.1

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

Robust construction: for any purpose at only 700 g in weight
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-40/100

169,00 €
07

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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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

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

41,99 €
08

kunbow

kunbow 4000 mAh lawn robot battery, replacement battery for Gardena battery BLi-18 9840-20 9839-20, compatible with Gardena 18 V Li-ion system tools (18 V / 72 Wh)

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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

Replacement battery for Gardena battery BLi-18: This battery is fully compatible with the Gardena battery BLi-18, Gardena 9839-20 battery, Gardena 09840-20 battery.
Reliable service: If you have any questions about the product, please feel free to contact us. We will continue to serve you until you are satisfied.
Higher capacity battery for Gardena BLi-18 battery: cell type: lithium-ion, capacity: 4000 mAh, voltage: 18 V, rated energy: 72 Wh.
High quality replacement battery for Gardena: As for Gardena replacement battery, all batteries meet FCC, CE, RoHS certification and standards. Please fully charge it before use and charge it immediately after use. Prevent further discharge of the battery, which leads to undervoltage or insufficient charging and damage to the battery.
Fully compatible replacement battery for Gardena battery BLi-18: This battery is fully compatible with Gardena battery trimmer Li-18/23R: 9823-20, 9825-20, compatible with Gardena cordless lawnmower Li-18/22: 5023-20, 5023-55, compatible with Gardena cordless lawnmowers. Li-18/3 2: 5039-20, 5039-55, compatible with Gardena cordless hedge trimmer Li-18/50: 9837-20, 9837-55, compatible with Gardena cordless hedge trimmer Li-18/60: 9838-20, 9838-55, compatible with Gardena all-round blower 18. -Li: 93 35-20, 9335-55 Compatible with Gardena Telescopic Accu Hedge Trimmer THS Li-18/42, Compatible with Gardena High Delimber TCS Li-18/20.

36,99 €
09

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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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.

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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.

35,99 €
10

Gardena

Gardena Smart Battery BLi-40/100: Accessories

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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.

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Main highlights

Short charging time: batteries are quickly ready to use again
Plug & Play: charger including power cord for 230 V mains
Everything at a glance: LED status display for the current charge status with just one push of a button
Box contents: 1 x Gardena QC40 quick charger, 1 x power cable

79,99 €