Custom 4S1P 14.8V 3.5Ah Battery Pack Built with EVE 35V Cells – 10A Continuous Discharge


Price:
Sale price$70.00 USD

Description

This compact 4S1P battery pack is built using 4 authentic EVE 35V 18650 cells, offering a reliable 14.8V nominal voltage with a capacity of 3500mAh. It’s a perfect choice for lightweight applications requiring moderate power in a small form factor.

Whether you're powering compact electronics, lightweight robotics, or need a custom battery for portable gear, this EVE 35V-based pack delivers high-quality performance with a 10A continuous discharge rating and excellent cycle life.

Each pack is carefully assembled with quality materials and spot welded using professional equipment to ensure long-lasting performance and safety.


🔧 Specifications:

  • Configuration: 4S1P (4 cells in series)

  • Nominal Voltage: 14.8V

  • Fully Charged Voltage: 16.8V

  • Capacity: 3500mAh (3.5Ah)

  • Nominal Energy: ~51.8Wh

  • Continuous Discharge Rating: 10A

  • Burst Discharge: Up to 15A for short durations

  • Cell Model: EVE INR18650-35V

  • Chemistry: Li-ion (INR)

  • Cycle Life: 500+ cycles (at 80% capacity)

  • BMS/Connector: Not included by default (can be added on request)

  • Build Materials: Pure nickel or copper/nickel sandwich (based on current stock), heat shrink wrapped


📏 Dimensions (Approximate):

  • Size: 2.75in x 2.75in x 0.8in (70mm x 70mm x 20mm)

  • Weight: ~180g


⚠️ Notes:

  • This pack does not include a BMS or connector by default. If you need one added, contact us prior to checkout.

  • Only use a Smart Li-ion charger rated for 4S (16.8V).

  • Do not over-discharge below 2.5V per cell (10V total).

  • Always charge and store in a fireproof container.


🔥 Use Cases:

  • Compact DIY projects

  • Portable devices

  • RC electronics

  • Lab prototyping

  • LED systems


🛑 Safety Warning for Lithium-Ion Battery Usage

Customers should have a clear understanding of lithium-ion battery handling and safety before making a purchase. Lithium-ion batteries are highly sensitive and may pose fire, burn, or explosion risks if improperly handled...


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