• Shenzhen BAK Technology Co., Ltd.
    Kallista
    I'm going to keep this sweet & short! I have never experienced such excellent customer service with a out of country supplier. This company has gone far and beyond to meet the needs of their customers. Their response time with all my concerns were addressed immediately 100%within 1-24 hours and the shipping time was EXCELLENT!
Contact Person : Dong
Phone Number : +86 13828713564
Whatsapp : +8613828713564

High-Capacity 3.7V 1400mAh 2P Li-ion Cell 752935 Design Battery Pack for Wearable Devices

Place of Origin Dongguan China
Brand Name BAKTH / Neutral / OEM
Model Number BAKTH-752935-2P-2
Minimum Order Quantity 2 Piece
Packaging Details 1pc/individual
Delivery Time 30~45 days
Payment Terms T/T
Supply Ability 10000PCS/Month

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Product Details
Type Li-Ion Battery Model NO. BAKTH-752935-2P-2
Configuration 2P (Two Cells In Parallel) Nominal Voltage 3.7V
Nominal Capacity 1400mAh Power Capacity 5.18Wh
Max. Charging Voltage 4.2V Discharge Cut-off Voltage 3V
Dimension Approx 7.5*29*35.5 Mm Weight Approx 30g
Sample Available
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3.7V 1400mAh Li-ion battery pack

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752935 design wearable device battery

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high-capacity lithium ion battery pack

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Product Description
High-Capacity 3.7V 1400mAh 2P Li-ion Cell 752935 Design Battery Pack for Wearable Devices


The BAKTH-752935-2P-2 is a high-performance lithium-polymer (Li-Pol) battery engineered with a 2P parallel configuration (two cells in parallel), featuring a slim prismatic form factor (75mm × 29mm × 3.5mm), nominal 3.7V voltage (4.2V full charge), 1400mAh capacity, and 5.18Wh energy output. Designed to balance high capacity with ultra-thin design, this battery merges Li-Pol’s flexibility, lightweight construction, and stable performance—making it the ideal power source for mid-sized portable electronics, wearable chargers, IoT devices, and custom gadgets that demand extended runtime without sacrificing slim aesthetics.
Core Advantages of 2P Parallel Design & Li-Pol Technology
Crafted to solve the trade-off between capacity and size for modern devices:
  • 2P Parallel for Enhanced Capacity: Two high-quality Li-Pol cells in parallel double the capacity (from 700mAh to 1400mAh) while maintaining a stable 3.7V voltage, delivering 5.18Wh of reliable energy. This parallel configuration not only boosts runtime but also enhances current-carrying capacity (supports peak discharge up to 3A), making it suitable for devices requiring moderate burst power, such as portable speakers or mini drones.

1400mAh Long Runtime: Optimized for low-to-medium drain devices, delivering extended usage: powering a wireless earbud charging case for 8-10 full earbud charges, a mini Bluetooth speaker for 6-8 hours of continuous playback, a handheld scanner for 3-4 hours of active use, or an IoT environmental sensor for 3-6 weeks (depending on data transmission frequency). Perfect for all-day use and on-the-go lifestyles.

  • Lightweight & Space-Efficient: Weighing only 28-30g, it adds minimal bulk to portable devices—critical for gadgets that prioritize portability. Its flat profile maximizes space utilization, allowing for thinner device designs without compromising battery life.

Ideal For:

Portable Audio & Wearables: Wireless earbud charging cases, mini Bluetooth speakers, and mid-sized smartwatches.

Handheld Electronics: Handheld game consoles, portable scanners, digital cameras (compact models), and mini LED projectors.

IoT & Smart Home Devices: Mid-range Bluetooth beacons, environmental monitoring sensors, and smart doorbell backup power.

Custom Projects & Gadgets: DIY electronics, mini drones (mid-sized models), Arduino-based devices, and portable LED lights.

Emergency Backup: Small medical devices (e.g., portable pulse oximeters), emergency flashlights, and portable radios.

High-Capacity 3.7V 1400mAh 2P Li-ion Cell 752935 Design Battery Pack for Wearable Devices 0

 

About Us

Shenzhen BAKTH Technology Co., Ltd. was established in 2002. For 21 years, we've specialized in battery pack assembly and PCM/BMS design and production. Our 5,000-square-meter factory features automated production lines and SMT assembly capabilities.

High-Capacity 3.7V 1400mAh 2P Li-ion Cell 752935 Design Battery Pack for Wearable Devices 1
Certifications

High-Capacity 3.7V 1400mAh 2P Li-ion Cell 752935 Design Battery Pack for Wearable Devices 2


FAQ
What kind of certificate your battery pack owned?

ISO9001, ISO14001, UL, BIS, KC, USTC, CE, CB - our battery packs have reliable quality assurance.

Do you have MOQ?

No limitation - we offer competitive pricing based on order quantity. Sample orders are welcome to test our quality before bulk orders.

What's the warranty? How can we guarantee quality?

Standard warranty is 12 months (negotiable for special products). Our complete production process ensures quality before shipment.

What's the lead time?

Standard products: 3-4 weeks for samples (depending on cell availability), 5-8 weeks for bulk orders (varies by model and quantity).

Can we have our own Logo on the battery pack? Can you accept customized battery?

Yes - our professional R&D team can provide customized solutions according to your requirements.