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Item #:
98324485
Replacement Battery Compatible for Python 7857P (70mAh/3.7V), JFC301819 Battery
83% of respondents would recommend this to a friend
Item #:
98324485
TTD 137
Price Details
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Imported from USA store
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Order now and get it around Tuesday, September 08
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Perfect for 7857V. The same size as the original.
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What Stands Out
High Compatibility
Designed specifically for Viper 7857V and Clif 7857X models, ensuring seamless performance and easy installation without any modifications.
Enhanced Performance
Delivers a stable 3.7V output, providing reliable power for longer usage times and improved device functionality, outperforming many alternatives.
Durable Design
Constructed with high-quality materials, this battery is built to last, offering excellent longevity while maintaining safety standards for your devices.
Product Details
| Number of Batteries | 1 Unknown batteries required. (included) |
| Brand | Ejjinenbby |
| Model Number | CS-VPR785SL |
| Model Name | CS-VPR785SL |
| Manufacturer | Ejjinenbby |
| Battery Cell Type | Lithium Polymer |
| Battery Capacity | 70 Milliamp Hours |
| Voltage | 3.7 Volts |
| Reusability | Rechargeable |
| Unit Count | 1.0 Count |
| Battery Weight | 27 Grams |
| Item Dimensions | 0.73 x 0.65 x 0.15 inches (1.9 x 1.7 x 0.4 cm) |
| Item Weight | 27 Grams |
| Antenna Location | Indoor/Outdoor |
| Battery Cell Composition | Lithium Polymer |
| Recommended Uses For Product | Indoor/Outdoor |
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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Viper Device Users
Perfect for users needing a reliable replacement to enhance the performance of Viper 7857V devices.
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Frequent Travelers
Ideal for those who travel frequently and require a dependable battery for portable security systems.
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DIY Enthusiasts
Great for individuals who enjoy repairing and maintaining their devices independently without purchasing new units.
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Heavy Usage Devices
Not suitable for devices that require high energy output for extended periods, as it may drain quickly.
Product Description
Replacement Battery Compatible for Python 7857P (70mAh/3.7V), JFC301819 Battery
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What devices are compatible with the 3.7V JFC301819 Battery Replacement?
Answer: The 3.7V JFC301819 Battery Replacement is specifically designed for use with the Viper 7857V and Clif 7857X models. This compatibility ensures that your device operates smoothly and efficiently, maintaining reliable performance. Whether you're using it for a remote control or other electronic gadgets, this battery provides the necessary power without compromising device functionality. -
Question:
How long does the 3.7V JFC301819 battery last on a full charge?
Answer: The longevity of the 3.7V JFC301819 Battery Replacement is generally around several hours depending on usage patterns. Factors such as the frequency of use and type of devices it powers can influence battery life. Frequent users might notice quicker depletion, while moderate users might enjoy extended operation, making this battery a versatile option for various electronic devices. -
Question:
What is the capacity of the 3.7V JFC301819 battery?
Answer: The 3.7V JFC301819 Battery Replacement has a capacity of 70mAh. This capacity provides a robust power source for compatible devices, ensuring they run smoothly. It strikes a balance between size and output, making it suitable for compact electronic devices while delivering reliable performance for extended periods. -
Question:
Can I use the 3.7V JFC301819 battery in devices other than the Viper 7857V and Clif 7857X?
Answer: While the 3.7V JFC301819 Battery Replacement is primarily designed for Viper 7857V and Clif 7857X models, its compatibility with other devices depends on their specific requirements. It’s advisable to check the voltage and connector specifications of your device to avoid any performance issues or damage. For optimal performance, use it only in recommended devices. -
Question:
How should I store the 3.7V JFC301819 battery when not in use?
Answer: When not in use, store the 3.7V JFC301819 Battery Replacement in a cool, dry place, away from direct sunlight and excessive moisture. This ensures longevity and prevents capacity loss. A climate-controlled space is ideal, and it's beneficial to keep the battery at around 50% charge for storage. This practice prolongs its lifespan and maintains its efficiency. -
Question:
What charging method is recommended for the 3.7V JFC301819 battery?
Answer: The best charging method for the 3.7V JFC301819 Battery Replacement is to utilize the dedicated charger designed for your specific devices. Using the correct charger prevents overheating and enhances battery longevity. Also, avoid overcharging by unplugging it once fully charged, which helps maintain optimal performance over time. -
Question:
How do I know when the 3.7V JFC301819 battery needs to be replaced?
Answer: Signs that indicate the 3.7V JFC301819 Battery Replacement needs replacement include reduced device performance, such as shorter operation times or failure to power on. If you notice your device frequently running low or not functioning as expected, it's likely time to consider a new battery. Regular testing can help ensure your devices remain functional. -
Question:
What safety precautions should I take when using the 3.7V JFC301819 battery?
Answer: When using the 3.7V JFC301819 Battery Replacement, ensure you follow standard safety precautions, such as avoiding short circuits by keeping the battery terminals clean and free from metal objects. If you notice any swelling, unusual odors, or overheating, discontinue use immediately. Proper handling promotes safety and effectiveness, reducing the risk of damage to both the battery and devices. -
Question:
Where can I buy the 3.7V JFC301819 Battery Replacement in Trinidad and Tobago?
Answer: You can purchase the 3.7V JFC301819 Battery Replacement for Viper 7857V Clif 7857X models through Ubuy. Ubuy offers a wide variety of electronics and components, ensuring you can find the exact battery you need. With convenient shopping options and reliable customer service, it’s a great choice for sourcing this essential item. -
Question:
Are there any specific maintenance tips for the 3.7V JFC301819 battery?
Answer: Yes, maintaining the 3.7V JFC301819 Battery Replacement involves periodic checking for signs of wear or damage. Regularly clean the terminals to prevent corrosion and ensure a solid connection. Additionally, try to use the device frequently to keep the battery active, which can help prolong its life and enhance performance when it is needed.
Ejjinenbby 3.7V CS-VPR785SL Editorial Review
The 3.7V JFC301819 battery replacement for the Viper 7857V and Clif 7857X has garnered a mixed reception from users. Overall, shoppers have noted that while the battery does function and serves as a viable replacement, there are some discrepancies regarding its specifications and fit. Many reviewers have highlighted that the battery is slightly smaller and thicker than the original, leading to some minor fitting issues. Some users reported needing to finesse the installation to accommodate the variations in size and the shorter wires. However, the connectivity remains straightforward, with most users able to plug and play without needing to reprogram their remotes to their vehicles. In terms of performance, the battery has been effective for several users, with noticeable improvements in functionality. While some arrived pre-charged, many recommended charging it fully after installation to maximize performance. Despite the minor adjustments needed for proper installation, the general sentiment points toward satisfaction as it provides a cost-effective solution compared to purchasing a complete replacement remote.
Customer Reviews & Ratings
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Pros
- Plug and play installation with no reprogramming required.
- Cost-effective alternative to buying a new remote.
- Improves the functionality of the remote once installed.
Cons
- Some units may arrive with discrepancies in charge capacity (70mAh vs. 80mAh).
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“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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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
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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TTD 137
Order now and get it around Tuesday, September 08
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.)
QTY:
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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
- Compatible with model 7857V.
- Battery part number: JFC301819.
- Li-Polymer type with a rate of 0.26Wh.
- Voltage of 3.7V for optimal performance.
- Compact dimensions: 18.5 x 16.4 x 3.8mm.
- 1 year after-sales service with quick email response.
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