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Item #:
210907040
3.7V 400mAh 802525 LiPo Battery, 1S Rechargeable Lithium Polymer Battery with PCM Protection, Micro JST 1.25mm 2-Pin Plug for DIY Electronics
Item #:
210907040
TZS 45122
Price Details
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This battery supplies a stable 3.7V voltage for extended device runtime, enhancing operational safety and battery durability.
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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
This 1200mAh battery offers extended usage time for your projects, ensuring that your devices run longer without frequent recharging, making it ideal for Arduino and ESP32 applications.
Built-in Protection
Equipped with PCM protection, this battery safeguards against overcharging and short circuits, enhancing safety and longevity, providing peace of mind during your DIY electronics projects.
Compact Design
Designed with a micro JST 1.25mm 2-pin plug, this lightweight battery easily fits into tight spaces, making it perfect for portable or space-constrained applications in your innovative projects.
Product Details
| Package Dimensions | 1.18 x 1.18 x 1.18 inches (3 x 3 x 3 cm) |
| Item Weight | 1.76 ounces (49.9 grams) |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Date First Available | September 17, 2025 |
| Manufacturer | AKZYTUE |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Brand | AKZYTUE |
| Battery Cell Composition | Lithium Polymer |
| Battery Capacity | 400 Milliamp Hours |
| 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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DIY Electronics Enthusiasts
Ideal for users building projects with Arduino or ESP32 requiring compact, rechargeable battery solutions.
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Robotics Projects
Perfect for powering small robots where lightweight and rechargeable power sources are essential.
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Wearable Devices
Suitable for designs needing a compact battery solution, providing adequate power without excessive bulk.
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High-Power Applications
Not suitable for projects requiring high current draws, as this battery is limited to moderate power outputs.
Product Description
3.7V 400mAh 802525 LiPo Battery, 1S Rechargeable Lithium Polymer Battery with PCM Protection, Micro JST 1.25mm 2-Pin Plug for DIY Electronics
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Customer Questions & Answers
-
Question:
What is the battery's voltage and capacity?
Answer: The battery supplies a stable 3.7V voltage with a capacity of 1200mAh. -
Question:
Is this battery compatible with my device?
Answer: Please confirm that your device uses a Micro JST 1.25mm 2-pin connector before purchasing. -
Question:
What safety features does this battery have?
Answer: It has built-in PCM protection for over-charge, over-discharge, and short-circuit prevention.
Nutritionist's Take
As a nutritionist, I must clarify that the '3.7V 1200mAh 603450 LiPo Battery Pack' is not a consumable product and does not have nutritional properties. It is an electronic component intended for powering devices such as microcontrollers in DIY projects. The product itself does not relate to dietary benefits or health claims, as it does not involve any nutritional ingredients. Its safety and suitability depend on proper usage and handling rather than dietary needs. Consumers should focus on the quality and sustainability of battery production when considering environmental health, but from a nutritional standpoint, it has no relevance. It is essential to use this product responsibly to prevent hazards associated with lithium batteries.
AKZYTUE 3.7V Editorial Review
The 3.7V 1200mAh 603450 LiPo Battery Pack has garnered positive feedback from customers, indicating strong performance and versatility for a range of applications, particularly in DIY electronics projects. Users appreciate its perfect fit for devices like the Miyoo Mini Plus and express satisfaction with the rapid charging capabilities. Importantly, customers have shared caution regarding polarity; they suggest verifying connections before use due to the lack of an industry standard on battery plug polarities. The battery's performance has been tested by various users, who confirm that it meets its specifications well, often exceeding expectations in terms of capacity. For instance, a customer noted a successful use of this pack as a replacement for an internal battery in a Bluetooth headset, which greatly improved the device's performance. In addition, the 3.7V capacity and 1000mAh rating are suitable for projects such as GPS tracking and other compact electronics. Noteworthy is the inclusion of a pre-installed Molex 1.25mm connector, which simplifies installation and negates the need for soldering, making it a user-friendly option for those working on electronic assemblies. Overall, the customer reception of this product is highly favorable, with many users recommending it for its reliability, ease of use, and effectiveness in powering small electronic devices. **
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Pros
- Excellent fit for various devices (Miyoo Mini Plus, Bluetooth headsets).
- Fast charging capability.
- High capacity exceeding specifications (3,000mAh in some reviews).
- Pre-installed Molex 1.25mm connector facilitates easy installation.
- Consistent performance and good charge retention.
Cons
- Polarity may vary; caution is needed to ensure correct connections.
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
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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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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TZS 45122
Order now and get it around Saturday, August 29
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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Features & Benefits
- Stable 3.7V voltage ensures extended runtime for your devices.
- Integrated smart protection circuit prevents accidents like overcharge and short circuits.
- Compatible with a wide range of boards like WiFi LoRa 32 and CubeCell.
- Perfect for portable and IoT devices, including security systems and digital cameras.
- Easy plug-and-play design for efficient prototyping and testing.
- Lightweight and compact with a safe built-in PCM safety circuit.
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