3.5Ah 18V Li-ion Replacement Battery for Gardena 008A231 8025-20 Comfort 35

3.5Ah 18V Li-ion Replacement Battery for Gardena 008A231 8025-20 Comfort 35

$61.05
$61.05
SAVE Sold out

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High-capacity 18V 3.5Ah Li-ion replacement battery designed for Gardena 008A231 and Comfort 35 Roll-Up Automatic (8025-20). Features built-in safety protection, no memory effect, and long-lasting performance. 100% compatible with original chargers.
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Built-in protection against overcharging, short circuit and high temperature

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Local Warehouse FREE 3-5 Days Delivered Skip the long wait. Shipped locally for free to get you powered up again in just 3-5 days
30 Days FREE Returns & Replacement Order with confidence: If it's not a perfect match for your tool, we'll take it back for free.
12 Month Warranty Protection Enjoy consistent power for a full year. If it fails to hold a charge, we replace it for free.
3.5Ah 18V Li-ion Replacement Battery for Gardena 008A231 8025-20 Comfort 35

3.5Ah 18V Li-ion Replacement Battery for Gardena 008A231 8025-20 Comfort 35

$61.05
$61.05
SAVE Sold out
View full details

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    Key Features:

    • Advanced Protection: Built-in overcharge and over-discharge protection to significantly extend battery life.
    • No Memory Effect: Can be charged or discharged at any time without losing capacity.
    • High Performance: Low self-discharge ensures maximum productivity and reduced downtime.
    • Certified Safety: CE, FCC, and RoHS certified; 100% compatible with original equipment specifications.
    • Eco-Friendly: Designed with environmentally friendly materials.

    Specifications:

    • Voltage: 18V
    • Capacity: 3500mAh (3.5Ah)
    • Battery Type: Lithium-ion

    Replaces Part Number: Gardena 008A231

    Compatible Models: Gardena 8025-20 Comfort Wall-Mounted Hose Box 35 roll-up automatic Li

    Maintenance & Care:

    • Regular Use: Do not leave the battery dormant for long periods. We recommend using the battery at least once a month.
    • Clean Contacts: If necessary, use a cotton swab with a little alcohol to clean the metal contacts on the battery and charger.
    • Recharge After Use: Fully recharge the battery after prolonged use in your power tool.
    • Cool Down: Always ensure the battery has cooled down completely before recharging.
    • First Use: For safety during transport, the battery is not fully charged upon arrival. It will reach peak performance after 3 full charge and discharge cycles.
    • Avoid Stalling: If your tool gets stuck or stalls, do not force it to run. This causes excessive current draw which can damage the battery. Instead, retract the tool and allow it to run smoothly again before continuing.

    Frequently Asked Questions

    Q: Will using this battery void my tool's warranty?

    A: Generally, no. But our batteries are designed with the same safety mechanisms as the original to ensure zero damage to your tools.

    Q: How does the runtime compare to the original?

    A: Our battery offers comparable, often longer runtime due to updated cell technology compared to older OEM models.

    Q: Are SHENTEC batteries as good as the original (OEM) ones?

    A: Yes! SHENTEC batteries are designed to meet or exceed the original manufacturer's specifications. We use high-quality cells and are CE/FCC/RoHS certified to ensure the same performance and safety at a more affordable price.

    Q: Will using a SHENTEC battery void my tool's warranty?

    A: Generally, no. Using a high-quality third-party battery does not void your tool's warranty in most regions (like the US under the Magnuson-Moss Warranty Act). We ensure 100% electronic and physical compatibility.

    Q: How do I choose the correct battery for my model?

    A: Please check your original battery's Part Number or your tool's Model Number. You can use the "Search" bar on our website or contact our support team to double-check compatibility before purchasing.

    Q: What does "Ah" mean? Can I use a higher Ah battery?

    A: "Ah" (Amp-hour) refers to the battery's capacity (how long it lasts). You can use a higher Ah battery (e.g., replacing a 2.0Ah with a 5.0Ah); it will provide longer runtime per charge without damaging your tool.

    Q: How many cycles can I expect from a SHENTEC battery?

    A: Our batteries are built for longevity, supporting up to 1,200 fast-charge cycles. With proper care, they can serve you for years.

    Q: How should I store my battery if I’m not using it?

    A: Store it in a cool, dry place. For long-term storage, keep the battery at 40%–60% charge. Our batteries feature low self-discharge, retaining about 70% power even after 3 years of storage.

    Q: Does the battery have safety protections?

    A: Absolutely. Every SHENTEC battery has a built-in Smart Protection System that guards against overcharging, over-discharging, short-circuits, and overheating.

    Q: Why does my new battery arrive with a partial charge?

    A: For safety during shipping, batteries are usually charged to about 30%. We recommend fully charging your battery before its first use to calibrate the cells.

    Q: How long does shipping take?

    A: We ship from our local warehouses in the USA, Germany, UK, and Australia. Most orders are delivered within 3-5 business days.

    Q: What is your return policy?

    A: We offer a 30-Day FREE Return & Replacement policy for any reason. If you ordered the wrong model or are not satisfied, we’ve got you covered.

    Q: What is the warranty period?

    A: All SHENTEC products come with a 12-Month Limited Warranty. If the product fails due to a manufacturing defect within one year, we will provide a free replacement.

    Q: What should I do if my battery won't charge?

    A: First, ensure the charger is compatible and the contacts are clean. If it still doesn't work, contact us at sales@shentec.com with your order ID, and we will help you troubleshoot or send a replacement.