Best Akku 18v 3ah 2026

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Last Updated - 27.03.2026

Best Choice

01

Einhell

Original Einhell 3Ah Power X-Change Plus Battery (18 V, Li-Ion, Universal Use for All PXC Devices, Charge Level Control, Twin Pack, Includes 2 x 3 Ah Batteries, without Charger)

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23% Off
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

Twin pack technology - With the innovative Twin-Pack technology, two Power X-Change batteries can be coupled together. This means that 36 V devices can also be operated.
Sturdy housing - The case resists dust, corrosion and mechanical influences. The rubber coating and the recessed grip offer high impact protection and optimal handling.
Safety and performance: The battery management system monitors the parameters of the battery using a microprocessor and ensures maximum safety and maximum runtime.
Power X-Change - The 18V 3.0Ah Power X-Change PLUS batteries are part of the Einhell Power X-Change family, where all batteries, chargers and system devices can be combined.
Plus technology - The Power X-Change batteries provide all battery devices in the garden and workshop with power and endurance. Plus technology stands for extra power.
No self-discharge - The high-quality batteries resist the memory effect and self-discharge. A 3-stage LED display always provides information about the current charging status.
More power - The latest generation lithium-ion cells create 100% more power even with a more compact design and weight reduction.

69,99 € 90,95 €(23% Off off)
02

Einhell

Einhell PXC Twin Pack 4.0 Ah Power X-Change Volks.Battery (Li-Ion, 18 V, 2 x 4.0 Ah, Suitable for all PXC Devices, Proactive Battery Management, Situational Adapted Charge Cycles

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9.4

Excellent

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Main highlights

The charging status can be read at a glance: The three-stage LED-system provides the constant possibility of charge control.
The Einhell PXC Twin-pack 4.0 Ah battery consists of two universally applicable 18 volt batteries from the Power X-Change range and offers double power for all devices in the innovative system series.
Maximum safety is provided by Einhell's proactive battery management and all parameters of the battery are always monitored by the most modern components.
Lithium-ion cells provide more power with immunity to ‘battery-common’ diseases and resist battery self-discharge. The battery life is significantly extended by situationally adapted charging cycles.
A high impact protection and a good grip is ensured by the rubberised housing. Thanks to the adapted recessed grips, the batteries can be easily inserted and removed.

54,89 €
03

ZEERISA

Pack of 2 3.0Ah BL1815 Replacement Battery for Makita 18 V Battery Li-Ion, Compatible with 18 V Original Chargers and Battery Power Tools BL1830 BL1840 BL1850 BL1860

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9.3

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

Specifications: capacity: 3000 mAh; voltage: 18 V; battery type: lithium-ion; 2 packs, 3.0 Ah replacement battery for Makita 18 V battery
Customer service: this replacement battery comes with 1 year customer service (7 x 24 hours). If you have any questions about this product, please do not hesitate to contact us
Built-in protection against overcharge, over-discharge, over-current, provides short circuit protection and voltage stabilization.
100% compatible with original 18V LXT cordless power tools and chargers, BL1830, BL1830B, BL1860, BL1860B, BL1850, BL1850B, BL1840, BL1840B, BL1815, BL1825, BL1835, BL1845

37,29 €
04

Makita

Makita 197599-5 BL1830B Li-Ion Battery, 18.0V 3Ah 3W 18V, Black

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9.2

Excellent

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Item number: 197599-5.
BL1830B Li-ion Battery 18, 0V 3 Ah.
An original Makita accessory, durable and robust.

47,39 €
Value for Money

05

Makita

Makita 197599-5 BL1830B Li-Ion Battery, 18.0V 3Ah 3W 18V, Black

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9.1

Excellent

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Item number: 197599-5.
BL1830B Li-ion Battery 18, 0V 3 Ah.
An original Makita accessory, durable and robust.

49,90 €
06

MoeuGreenBattX

MoeuGreenBattX Replacement Battery for Makita 18 V Battery: 3Ah Li-ion Tool Battery Compatible BL1850B BL1860B BL1830B 194205-3 LXT400

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15% Off
8.9

Very Good

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Main highlights

Safety of storage: battery comes with a protective cover for the battery pole, prevents accidental contact during storage/transport and protects the batteries from damage caused by accidental short circuits.
Safety first: the MoeuGreenBattX 18 V battery with protective covers for the clamps and LED indicators offers maximum safety. These ensure safe storage, transport and use, while self-diagnosis prevents overload. They are durable and provide both safety and durability for long-term use in any situation.
High performance: MoeuGreenBattX 1 piece 18 V battery made of lithium-ion material, has passed the safety certification, has a high capacity and longer operating time, it is the best replacement for Makita 18 V tool battery.
Good compatibility: MoeuGreenBattX 3 Ah replacement battery for Makita battery 18 V, compatible BL1860B BL1860 BL1850B BL1850 BL1840 BL1840B BL1830 BL1830B BL1820 BL1820B BL1845B BL1845 BL1845 BL1845 BL111. 835B BLBL1835 BL1815 BL1870B 194205-3 194230-4 LXT400 BL1815B
Care instructions: ensure a long service life of the battery by fully charging it before first use and operating within 5°C to 40°C. Store the battery in a dry environment if it is not used for a long time. Follow these care tips to maintain peak performance and extend the life of your MoeuGreenBattX 18V tool battery

22,94 € 26,99 €(15% Off off)
07

Bosch

Bosch BHZUB1830 3000mAh 18V rechargeable battery - Rechargeable Batteries (3000 mAh, 18 V, Black, 1 pc(s))

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8.8

Very Good

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Main highlights

Reliable performance for a long time: high-quality battery with long life - for effortless and quick cleaning in everyday life
Perfect fit for the Unlimited: replaceable 3.0 Ah Bosch battery for daily cleaning tasks
One of the largest cross-brand battery systems: compatible with over 150 devices from more than 10 brands of the Power For All Alliance, including Bosch power tools and garden tools (green line)
Box contents: 3.0 Ah replacement battery, Power For All Alliance, 18 V - Original accessory for all Bosch Unlimited cordless vacuum cleaners (Unlimited 6/7/8/9/10)
Bosch Battery expertise since 1969: comprehensive protection against overcharging, overheating, deep discharge, self-discharge, memory effect and damage

49,99 €
08

Einhell

Einhell Original 18 V 3.0 Ah Power X-Change Plus (18 V Battery, Universal for All PXC Devices, without Self-Discharge, 3-Stage LED Charge Level Control, Adapted Charging Cycles, without Charger)

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22% Off
8.5

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

With a battery and a charger for all devices, you not only save considerable costs when purchasing, the universal application protects the environment and at the same time offers flexibility.
The universal Power X-Change batteries provide all battery devices in the entire product family in the garden and workshop area with power and endurance.
The process-controlled, active battery management system ABS constantly monitors the parameters of the battery with the microprocessor and ensures maximum safety, optimal device performance.
The housing resists dust, corrosion and mechanical influences. The rubber coating provides high impact protection and a good grip.
The high-quality battery resists the memory effect and the battery standard self-discharge for constant, high power. The current charge status can be controlled by a 3-stage LED display.
The 18 V 3.0 Ah Power X-Change Plus is part of the multifunctional and limitless combinable battery system Power X-Change by Einhell. The battery is a high-end battery of the PXC family.
Latest-generation lithium-ion cells create 100% more power for maximum power in all applications including a 13% more compact design and 10% weight loss.

39,99 € 50,95 €(22% Off off)
09

AJUYOL

Rechargeable Lithium Battery - Ion Replacement for Bosch 18V 3.0Ah Compatible with Bosch Tool bat609 Battery

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8.3

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

Type: lithium-ion
PERFORMANCE After testing, it is clear that our replacement batteries work well in continuous use. It efficiently powers a range of Bosch drilling tools and provides stable output power without noticeable power decrease over time. A significant advance in lithium-ion technology compared to nickel-cadmium technology, with a longer life and no memory effect. This significantly extends battery life.
LIGHTWEIGHT LED POWER SUPPLY DISPLAY This 18V battery is sturdy and well built. It does not add excessive weight to the tool, making it comfortable for prolonged use, and the LED indicator allows you to check the power level at any time.
Installation is quick and easy without soldering.
Compatibility: After repeated tests, the battery can be perfectly integrated with various Bosch Core 18V tools. Fit and robust. It can be charged quickly with an original Bosch charger and, more importantly, maintains its charge efficiently when not in use. This is particularly beneficial for people who do not use the tools every day, but need a reliable power supply.

36,99 €
10

Einhell

Original Einhell 18 V 3.0 Ah Sealed Power X-Change Plus (18 V Battery, Water and Dust Protected, Protection Class IP57, Universal Use for All PXC Devices, without Charger)

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25% Off
8.2

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

Twin pack technology - Thanks to the innovative Twin-Pack technology, the batteries can not only be exchanged with each other, but also paired for 36 V devices.
Sealed: The SEALED Power X-Change battery is optimally protected against water and dust thanks to its sealed housing and protection class IP57.
Safety - The sensor technology of the short circuit protection ensures flawless use of the battery after submersion in water, while the battery management monitors the parameters.
Power X-Change - The 18V 3.0Ah Power X-Change PLUS battery is part of the Einhell Power X-Change family, where all batteries, chargers and system devices can be combined.
Plus technology - The Power X-Change batteries provide all battery devices with power and endurance and the PLUS technology stands for extra power during high-performance work.
No self-discharge - The high-quality battery resists the memory effect and the battery standard self-discharge. A 3-stage LED indicator always provides information about the charging status.
More power - The latest generation lithium-ion cells create 100% more power while maintaining a 13% more compact design and a weight reduction of 10%.

37,99 € 50,95 €(25% Off off)