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Item #:
230409835
9v Rechargeable Batteries kratax 4 Pack 850mAh high Capacity Rechargeable 9 Volt Lithium-ion Batteries with Fast Charger, 1000 Cycles Long-Lasting
Item #:
230409835
€ 43
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With 40% higher capacity than other brands and multiple safety protections, experience unmatched longevity and security with Kratax 9V Rechargeable Batteries.
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What Stands Out
High Capacity
With 850mAh capacity, these 9V batteries provide long-lasting power for devices like smoke alarms and guitars, ensuring reliable performance when you need it most.
1000 Recharge Cycles
Designed for durability, these lithium batteries can be recharged up to 1000 times, reducing waste and saving money on disposable batteries while being eco-friendly.
Versatile Use
Ideal for various applications such as multimeters and microphones, these rechargeable batteries offer consistent energy for both everyday and professional use, enhancing the value for multiple devices.
Product Details
| Output Voltage | 8.7 volts |
| Input Voltage | 5 volts |
| Battery Charge Time | 3.7 hours |
| Current Rating | 2 A |
| Amperage | 2.3 A |
| Compatible Devices | Camera, Clock, Radio, Remote, Remotes, Smoke Alarm, Toy |
| Connector Type Used on Cable | wireless |
| Number of Ports | 4 |
| Item Dimensions D x W x H | 0.63"D x 0.98"W x 0.75"H (1.6 x 2.5 x 1.9 cm) |
| Item Weight | 32 g |
| Color | 9v batteries and charger |
| Brand | Kratax |
| Mfr Part Number | 533c505a-0ada-4d64-9115-38aab28f0331 |
| Manufacturer | KrataxHKDirect |
| Unit Count | 1 Count |
| Built-In Media | 4pack 9v rechargeable lithium-ion batteries and charger |
| Model Number | 9v rechargeable lithium-ion batteries |
| Specification Met | RoHS, CE |
| Product Dimensions (L x W x H) | 0.63"D x 0.98"W x 0.75"H (1.6 x 2.5 x 1.9 cm) |
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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Smoke Alarms
Ideal for smoke alarms, providing reliable power for safety devices, reducing the need for frequent replacements.
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Musicians
Perfect for guitar pedals and other musical equipment, offering consistent performance and longer lasting charge during sessions.
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Multimeters
Excellent for multimeters in electrical work, ensuring accurate readings with dependable, charged power over numerous cycles.
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High Drain Devices
Not suitable for high drain applications requiring continuous high power output, as capacity may diminish quickly.
Product Description
9v Rechargeable Batteries kratax 4 Pack 850mAh high Capacity Rechargeable 9 Volt Lithium-ion Batteries with Fast Charger, 1000 Cycles Long-Lasting for Smoke Alarms Guitar Multimeter
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Customer Questions & Answers
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Question:
What are the main features of Kratax 9v Rechargeable Batteries?
Answer: Kratax 9v Rechargeable Batteries come with a high capacity of 850mAh, making them suitable for various devices. They are lithium-ion type, providing a stable voltage of 8.7V, and can withstand up to 1000 charging cycles, ensuring a long lifespan. These features ensure that they deliver consistent performance and reliability, making them ideal for smoke alarms, guitars, and other electronic devices that require dependable power. -
Question:
How can I maximize the lifespan of my Kratax 9v batteries?
Answer: To maximize the lifespan of your Kratax 9v batteries, avoid deep discharging them regularly, as this can adversely impact their longevity. Instead, recharge them when they're around 20-30% capacity. Proper storage in a cool, dry place also helps maintain their performance. These practices ensure you get the most out of your batteries while maintaining their high capacity for devices like smoke alarms and guitars. -
Question:
Are Kratax 9v batteries safe to use in smoke alarms?
Answer: Yes, Kratax 9v batteries are safe to use in smoke alarms, as they are manufactured with quality lithium-ion technology. They provide a stable voltage, ensuring consistent performance and reliability in life-saving devices. This makes them an excellent choice for ensuring your smoke alarm functions correctly and can alert you to fire hazards promptly. -
Question:
Can Kratax 9v batteries be used in musical instruments?
Answer: Absolutely! Kratax 9v batteries are great for powering musical instruments like electric guitars and effects pedals. Their high capacity ensures your devices operate smoothly without interruption, particularly during performances or recording sessions. By using these rechargeable batteries, you can enjoy long-lasting energy, making them an ideal solution for musicians on the go. -
Question:
What devices are compatible with Kratax 9v rechargeable batteries?
Answer: Kratax 9v rechargeable batteries are compatible with a variety of devices, such as smoke alarms, guitars, wireless microphones, and certain remote controls. Their versatility makes them suitable for both household safety and musical applications, providing flexibility for users who require a reliable power source across different gadgets. This adaptability makes them a valuable addition to your battery inventory. -
Question:
How do I charge Kratax 9v rechargeable batteries?
Answer: To charge your Kratax 9v rechargeable batteries, use a compatible lithium-ion battery charger specifically designed for 9v batteries. Place the battery into the charger according to the manufacturer's instructions and ensure it is securely connected. Charging typically takes several hours, depending on the charger and the battery's remaining charge level. This ensures that your batteries are ready for use in devices like smoke alarms and guitars whenever needed. -
Question:
What is the environmental impact of using Kratax 9v rechargeable batteries?
Answer: Using Kratax 9v rechargeable batteries has a lower environmental impact compared to disposable batteries. By utilizing a single battery for up to 1000 cycles, you significantly reduce waste generated from single-use batteries. Additionally, lithium-ion technology is designed to be more eco-friendly and can be recycled at proper facilities, contributing to a more sustainable lifestyle and aiding in pollution reduction. -
Question:
Do Kratax 9v batteries lose charge when not in use?
Answer: Like most lithium-ion batteries, Kratax 9v batteries may lose some charge over time, typically not exceeding 10% per month. To minimize this, store them in a cool, dry environment, ideally at room temperature. Regularly checking the charge level before inserting them into devices can help ensure optimum performance, especially for critical applications like smoke alarms. -
Question:
Where can I buy Kratax 9v Rechargeable Batteries?
Answer: You can buy Kratax 9v Rechargeable Batteries from Ubuy, a reliable e-commerce platform that offers a variety of products including electronics and accessories. Ubuy is known for its wide selection and customer-friendly service, making it easy for you to find and purchase these high-quality batteries in Ireland.
Nutritionist's Take
As a nutritionist, my expertise primarily focuses on food-related products, and therefore, I cannot provide a nutritional analysis of the Kratax 9v Rechargeable Batteries. This product falls within the electronics category, specifically for powering devices, rather than a food item or dietary supplement. Rechargeable batteries like these are essential for energy efficiency and reducing waste compared to single-use batteries. However, they do not provide any nutritional benefits or impact health directly as they are not consumables. Potential drawbacks include the environmental impact of lithium batteries if not disposed of properly. For individuals concerned about sustainability, using rechargeable batteries can be a healthier choice for the planet. Nevertheless, ensuring proper handling and recycling of such non-food items is crucial.
Kratax Battery Chargers 9v rechargeable lithium-ion batteries Editorial Review
### Editorial Review The rechargeable 9V batteries have garnered a generally positive response from customers who appreciate their performance and reliability compared to traditional alkaline batteries. Many users highlight the absence of leakage as a significant advantage, a common issue they encountered with well-known brands like Duracell. This feature has led some customers to fully transition to these rechargeable batteries for various applications without the worry of damaging their devices. Performance-wise, most users report satisfying results, with several noting that their batteries exceeded expectations in terms of capacity—often measuring over 850mAh with optimal charging methods. While these batteries have shown to be effective for powering instruments and other devices, there is a Consensus that their lifespan, compared to non-rechargeable options, may be somewhat limited. This has prompted some users to purchase additional sets to ensure they have enough charged batteries readily available. However, not all experiences have been flawless. There are reports of individual batteries failing to hold a charge, leading to disappointment among some customers. Despite this, the general sentiment leans towards favoring the rechargeable 9V batteries due to their ability to function similarly to alkaline batteries while offering the benefits of reusability. Overall, these rechargeable batteries present an appealing alternative for users looking for a sustainable and reliable power source, especially in situations where leakage is a concern. ### Pros and Cons **
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Pros
- High performance with capacities exceeding 850mAh.
- Cost-effective in the long run as they are rechargeable.
- Quick charging and good functionality in various devices.
Cons
- Some batteries may fail to hold a charge effectively.
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 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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€ 43
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Features & Benefits
- 850mAh high capacity, 40% more than standard 600mAh batteries.
- Multi-protection functions ensure safety against overcharge, overvoltage, and short-circuit.
- Lightweight design is 30% lighter than Ni-MH batteries and has no memory effect.
- Long storage life of over 10 years at room temperature.
- Independent charging channels allow for simultaneous charging of 1 to 4 batteries.
- Smart charging technology enhances battery cycle life and performance.
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