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Item #:
233312713
40Wh JK6Y6 Battery for Dell Latitude 3120 3410 3510 Inspiron 5300 5301
89% of respondents would recommend this to a friend
Item #:
233312713
DOP 3208
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
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Imported from USA store
QTY:
Order now and get it around Thursday, October 01
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What Stands Out
High Capacity
With a 51Wh capacity, this battery ensures prolonged usage for your Dell Latitude and Precision laptops, allowing for uninterrupted productivity and enhanced portability for professionals on the go.
Compatibility Assurance
Designed specifically for Dell Latitude 5400, 5500, and Precision 3540, 355 models, this battery guarantees seamless integration, minimizing the risk of compatibility issues and ensuring reliable performance.
Durable Design
This battery is built to endure extensive use, featuring robust construction that safeguards against wear and tear, delivering reliable performance for years and providing excellent value for your investment.
Product Details
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Brand | SUNNEAR |
| Model Number | JK6Y6 |
| Model Name | JK6Y6 |
| Manufacturer | Dongguan Mingyiyuan Electronics Co., Ltd. |
| Battery Capacity | 3350 milliampere_hour |
| Voltage | 11.4 volts |
| Reusability | Rechargeable |
| Compatible Phone Models | Replacement for ①Dell Latitude 3410 3510 Series. ②Dell Vostro 5300 5301 5401 5402 5501 5502 Series. ③Dell Inspiron 5300 5301 5401 5402 5408 5409 5501 5502 5508 5509 Series. ④Dell Inspiron 5400 5406 7405 Series. ⑤Dell Inspiron 7300 7306 7500 7506 2-in-1 Silver Series Notebook. |
| Unit Count | 1 Count |
| Antenna Location | Laptop |
| Recommended Uses For Product | Laptop |
| Item Weight | 1.3 lbs (590 grams) |
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
The 63Wh battery offers long-lasting power, ideal for users who travel and require extended battery life on-the-go.
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Remote Workers
Perfect for remote workers who need a reliable battery for their Dell Latitude or Precision laptops throughout the day.
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Business Professionals
Business users can benefit from this powerful battery for uninterrupted productivity during meetings or conferences.
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Heavy Gamers
Not ideal for heavy gaming as the battery might not support high-performance gaming sessions without frequent recharging.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the compatibility of the RJ40G 4-Cell 63Wh Laptop Battery?
Answer: The RJ40G 4-Cell 63Wh Laptop Battery is compatible with several Dell laptop models, including the Latitude 14 5420, Latitude 15 5520, and Precision 15 3560. It can also replace battery codes such as P104F, P104F001, P104F002, P137G, P137G001, and more. This broad compatibility makes it suitable for users with multiple Dell laptops needing a reliable power source. -
Question:
How many cells does the RJ40G battery have?
Answer: The RJ40G battery features a 4-cell design, which enhances its overall capacity and performance. A 4-cell battery typically provides better power management and can sustain longer usage times, making it ideal for users who require a dependable power source for activities like gaming, productivity tasks, or multimedia consumption on their Dell laptops. -
Question:
What is the capacity of the RJ40G battery?
Answer: The RJ40G battery has a capacity of 63Wh and a power rating of 3941mAh. This level of capacity means that the battery can supply sustained power to your laptop for an extended period. Users engaged in resource-intensive tasks such as graphic design or video editing will appreciate the longevity and reliability this capacity offers. -
Question:
Is the RJ40G battery safe to use?
Answer: Yes, the RJ40G battery is built with safety in mind. It includes built-in protections against overheating, overcharging, and short-circuiting, which safeguard your device while ensuring optimal performance. When using replacement batteries, it’s essential to choose reputable options to prevent any potential risks, and the RJ40G aligns with those safety standards. -
Question:
How can I install the RJ40G laptop battery?
Answer: Installing the RJ40G battery is straightforward. Begin by turning off your laptop and removing the power supply. Use a suitable screwdriver to open the battery compartment, carefully detach the old battery, and insert the new RJ40G battery in its place. Secure it with screws, close the compartment, and power on the laptop. Following this procedure ensures a smooth installation and optimum performance. -
Question:
What signs indicate my laptop battery needs to be replaced?
Answer: Several signs can indicate the need for a battery replacement, including reduced battery life, unable to hold charge, or the laptop shutting down unexpectedly. If you're frequently tethered to a power outlet even when the battery is charged, it may be time to consider replacing your battery with a new RJ40G for enhanced performance. -
Question:
What type of performance can I expect from the RJ40G battery?
Answer: The RJ40G battery offers impressive performance with its 63Wh capacity, allowing for extended periods of laptop use without needing a plug. Users can expect reliable power during demanding applications like video editing or programming. The battery is designed to maintain a steady output and can support various tasks efficiently. -
Question:
Can I use the RJ40G battery with different laptop models?
Answer: The RJ40G battery is specifically designed for Dell laptop models like Latitude 14 5420, Latitude 15 5520, and Precision 15 3560. However, it is also compatible with other variants that use the battery codes P104F, P137G, and others listed. Always verify compatibility to ensure optimal performance across your devices. -
Question:
Is it safe to leave the battery plugged in all the time?
Answer: While modern battery technology is designed to manage power effectively, consistently leaving your RJ40G battery plugged in may generate heat that reduces battery life over time. It is advisable to unplug it once it’s fully charged and occasionally allow it to discharge to optimize battery health. This approach helps maintain the longevity and efficiency of the battery. -
Question:
Where can I buy the RJ40G 4-Cell 63Wh Laptop Battery?
Answer: You can conveniently purchase the RJ40G 4-Cell 63Wh Laptop Battery on Ubuy. Ubuy offers a variety of laptop batteries, ensuring you find the right fit for your Dell device. Their platform is designed to provide an efficient and user-friendly shopping experience, making it easy to acquire quality replacements like the RJ40G.
SUNNEAR Batteries JK6Y6 Editorial Review
63Wh RJ40G Battery for Dell Latitude 14 5420 /15 5520 Precision 15 3560 is an impressive replacement option that effectively restores laptop battery life, as noted by users who experienced significant performance boosts after installation. This lithium-ion battery, with a capacity of 3941 milliamp-hours and a voltage of 15.2 volts, proves to be a direct drop-in replacement for various Dell models. Although some reported that it was slightly thicker, leading to a minor installation issue, most feedback highlights its exceptional longevity compared to OEM batteries. Users appreciated the simple installation process, taking under 20 minutes, making it a hassle-free solution for maintaining their devices.
Customer Reviews & Ratings
199 customers ratings
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5 Star
71%
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4 Star
10%
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3 Star
6%
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2 Star
1%
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1 Star
12%
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Pros
- Simple installation process under 20 minutes
- Long-lasting battery performance in various modes
- Direct replacement for multiple Dell laptop models
- Maintains good charge even under performance load
- Good value compared to OEM batteries
Cons
- Thickness may interfere with some laptop features
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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“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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Verified buyer
“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
Verified buyer
“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
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DOP 3208
Order now and get it around Thursday, October 01
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Brand new high-capacity battery for Dell XPS 13 7390 2-in-1.
- 51Wh capacity ensures optimal performance.
- CE / FCC / RoHS certified for safety.
- Grade A cells ensure reliability and low power consumption.
- Includes installation tools for easy setup.
- Backed by strict quality control standards with up to 600 power cycles.
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