3.7V 1.5Ah Li-ion Battery Pack – 18650 Cell

Product Description:
This 3.7V 1.5Ah Li-ion battery pack is built using a high-quality 18650 lithium-ion cell, offering reliable performance for a wide range of low-voltage electronic applications. With a compact size and high energy density, this rechargeable battery is ideal for portable devices, DIY electronics, and as a modular component for larger battery packs used in electric vehicles.

Technical Specifications

• Battery Type: Lithium-ion (Li-ion)

• Cell Type: 18650 cylindrical cell

• Nominal Voltage: 3.7V

• Full Charge Voltage: 4.2V

• Capacity: 1.5Ah (1500mAh)

• Energy: 5.55Wh

• Standard Charge Current: 0.5A – 1.0A

• Max Discharge Current: Up to 3A (varies by cell)

• Cycle Life: 300 – 500+ cycles

• Protection Circuit: Optional PCM (available on request)

• Dimensions: Approx. 18mm × 65mm

• Weight: Approx. 45g

Features

• Compact and lightweight design

• Rechargeable with long service life

• High energy density

• Low self-discharge rate

• Can be used to build custom battery packs

• Available with or without PCM (Protection Circuit Module)

Applications

• Handheld electronic devices

• LED flashlights and torches

• Wireless communication devices

• GPS trackers and smart sensors

• Power banks

• Battery packs for electric bikes, scooters, and DIY EVs (when combined in series and parallel)

Charging Guidelines

• Charge Method: CC/CV (Constant Current / Constant Voltage)

• Recommended Charge Voltage: 4.2V

• Charge Cut-off Current: 0.05C

• Charge Time: Approximately 2 – 4 hours using appropriate charger

• Do Not Overcharge or Over-discharge

Safety and Handling

• Do not short-circuit the battery terminals

• Use only with a compatible Li-ion charger

• Avoid physical damage or exposure to high temperatures

• Do not immerse in water

• Keep away from flammable materials

• Store in a dry, cool environment