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Item #:
85308256
RDSJK L140BAT-4 6-87-L140S-72B01 Laptop Battery for Lemp9 System76 Darter Pro 2021 L140CU L141CU L140MU L141MU 2ICP5/50/112 VIA 14, THUNDEROBOT
80% of respondents would recommend this to a friend
Item #:
85308256
NAD 1254
Price Details
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Order now and get it around Wednesday, September 30
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100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Capacity
With a powerful 73Wh capacity, this battery ensures extended laptop usage, allowing users to work or play for longer periods without the need for frequent recharging.
Versatile Compatibility
Designed for various models including Lemp9 and Thunderobot, this battery caters to a wide range of devices, simplifying replacement for diverse laptop users.
Reliable Performance
Built with high-quality components, this battery offers consistent performance and longevity, meeting users' demands for durability and reliability over time.
Product Details
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Brand | RDSJK |
| Model Number | C31N1538 |
| Model Name | C31N1538 |
| UPC | 726972514566 |
| Manufacturer | Foshan Eurasia Energy Technology Co., Ltd. |
| Battery Capacity | 9350 milliamp_hours |
| Voltage | 11.55 volts |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Battery Weight | 300 g |
| Antenna Location | Laptop |
| Battery Cell Type | Lithium Ion |
| Battery Cell Composition | Lithium Ion |
| Recommended Uses For Product | Laptop |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Frequent Travelers
Users who need a reliable battery for travel will benefit from the high capacity and long-lasting performance.
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Heavy Software Users
Ideal for individuals running demanding applications requiring substantial power, ensuring their laptop performs efficiently without interruptions.
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Students
Perfect for students who rely on laptops for online classes and research, offering extended usability throughout the day.
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Casual Users
Individuals using laptops for light tasks may not require such a high-capacity battery, making it unnecessary.
Product Description
RDSJK L140BAT-4 6-87-L140S-72B01 Laptop Battery for Lemp9 System76 Darter Pro 2021 L140CU L141CU L140MU L141MU 2ICP5/50/112 VIA 14, THUNDEROBOT MixBook Air, WOOKING Jiasha ST Pro 7.7V 73Wh 9350mAh
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the compatibility of the L140BAT-4 6-87-L140S-72B01 Laptop Battery?
Answer: The L140BAT-4 6-87-L140S-72B01 Laptop Battery is specifically designed to be compatible with various models, including the Lemp9 System76 Darter Pro 2021, L140CU, L141CU, L140MU, L141MU, as well as devices like the VIA 14 and THUNDEROBOT MixBook Air. This ensures you can confidently replace your old or faulty battery with a unit that will seamlessly integrate with your laptop, enhancing its performance and battery life. Always check your device specifications to ensure compatibility before purchase. -
Question:
How do I install the L140BAT-4 Laptop Battery?
Answer: To install the L140BAT-4 Laptop Battery, start by powering off your laptop and disconnecting it from any power source. Open the battery compartment, usually located at the back or bottom of the device. Carefully remove the old battery, aligning the new battery into the same section and securing it into place. Close the compartment, reconnect your laptop to the power, and turn it on. Proper installation extends battery life and ensures optimal performance. It’s advisable to refer to your specific laptop's user manual for detailed steps. -
Question:
What is the battery life of the L140BAT-4 6-87-L140S-72B01 Laptop Battery?
Answer: The L140BAT-4 6-87-L140S-72B01 Laptop Battery is designed to provide a long-lasting performance, typically offering around 4 to 6 hours of usage on a single charge, depending on the laptop model and workload. Factors such as screen brightness, running applications, and battery health can influence overall usage time. Use power-saving modes and manage applications to extend usage duration, ensuring you get the most out of your battery in both work and leisure scenarios. -
Question:
How can I maximize the lifespan of my L140BAT-4 Laptop Battery?
Answer: To maximize the lifespan of your L140BAT-4 Laptop Battery, adhere to several best practices. Keep your battery charged between 20% and 80% to prevent deep discharges that can damage battery cells. Avoid exposing it to extreme temperatures, as both heat and cold can have detrimental effects. Regularly calibrate the battery by allowing it to drain completely and then fully charge it. Additionally, unplugging peripherals when not in use can conserve battery life. These practices help enhance longevity, maintaining optimal performance. -
Question:
Is the L140BAT-4 battery covered by warranty?
Answer: Yes, the L140BAT-4 6-87-L140S-72B01 Laptop Battery usually comes with a limited warranty that protects against manufacturing defects. The general warranty period typically spans 6 to 12 months, depending on the retailer or manufacturer policies. Ensure to review the warranty information provided at the time of purchase, as it may cover replacement or repair in case of issues not caused by misuse or negligence. Keeping the warranty intact guarantees peace of mind for your investment. -
Question:
Can the L140BAT-4 Laptop Battery be recycled?
Answer: Yes, the L140BAT-4 Laptop Battery is recyclable. It's important to dispose of it correctly to reduce environmental impact. Most electronics retailers and recycling centers have designated drop-off points for battery recycling. Ensure you remove the battery from your laptop before recycling. Participating in recycling programs helps conserve resources by allowing the materials to be reused in new products. Embracing eco-friendly disposal methods is beneficial for you and the environment. -
Question:
Are there any safety precautions when using the L140BAT-4 battery?
Answer: Yes, using the L140BAT-4 Laptop Battery safely is crucial for optimal performance and user safety. Always install the battery following the manufacturer’s guidelines, and avoid exposing it to water or strong impacts. Overcharging should be avoided; unplugging when the battery reaches full charge is a good practice. If you notice any unusual swelling, leakage, or odor, discontinue use immediately and seek assistance. Prioritizing safety helps ensure your laptop remains operational without risking damage. -
Question:
What to do if my L140BAT-4 battery isn't charging?
Answer: If your L140BAT-4 Laptop Battery isn't charging, first check the power source and the charging cable for any issues. Ensure that the power outlet is functional, and try using a different charger if available. Inspect the battery contacts for dirt or corrosion, which can prevent proper connection. If the issue persists, it might indicate a problem with either the battery or the laptop's charging circuit. In such cases, consulting a technician or seeking warranty support can provide appropriate solutions. -
Question:
Where can I buy the L140BAT-4 6-87-L140S-72B01 Laptop Battery?
Answer: You can purchase the L140BAT-4 6-87-L140S-72B01 Laptop Battery from Ubuy. Ubuy offers a variety of laptop batteries, including the L140BAT-4, ensuring you find the right replacement for your device. With a user-friendly platform, Ubuy provides a seamless shopping experience, including convenient delivery options. Simply visit their website, search for the product, and enjoy safe purchasing with reliable customer support tailored to enhance your shopping experience in Namibia. -
Question:
What should I do if my battery starts to expand?
Answer: If your L140BAT-4 Laptop Battery shows signs of expansion, it is vital to handle it with care. First, discontinue use immediately, unplug your device, and safely remove the battery if possible. Expanding batteries can indicate internal damage or a chemical reaction, posing safety risks. Store the battery in a cool, dry place away from flammable materials and contact a professional for disposal. Prompt action safeguards against potential hazards, ensuring both your safety and that of your electronics.
RDSJK Batteries C31N1538 Editorial Review
RDSJK L140BAT-4 6-87-L140S-72B01 Laptop Battery for Lemp9 System76 Darter Pro 2021 L140CU L141CU L140MU L141MU 2ICP5/50/112 VIA 14, THUNDEROBOT MixBook Air, WOOKING Jiasha ST Pro 7.7V 73Wh 9350mAh offers a robust performance with its 9350mAh capacity and 11.55 volts. Users have reported that it is a straightforward installation process for compatible laptops like the System76 Darter Pro, which benefits from its rechargeable lithium-ion technology. However, there are some concerns regarding longevity, as a few users experienced charging issues after a few months of use. Overall, this battery provides essential power for laptops but may require attention over time.
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Pros
- Easy installation process for users
- High capacity of 9350mAh
- Compatible with various laptop models
- Rechargeable lithium-ion technology
- Lightweight at 300 grams
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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NAD 1254
Order now and get it around Wednesday, September 30
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Features & Benefits
- 100% new battery ensures top-notch performance.
- Compatible with various models including Darter Pro 2021 and Schenker series.
- Li-ion type with significant capacity of 73Wh/9350mAh.
- Provides up to 500 recharge cycles for longevity.
- Easy to check compatibility; support available for inquiries.
- Optimal usage advice included for first-time use.
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