Orange 3.70 battery
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Orange 3.70 battery

₹300.00

18650 Lithium-Ion Battery Cell

Technical Overview, Specifications, Applications, and Operating Characteristics

Short Overview

The image depicts a standard cylindrical 18650 rechargeable Lithium-Ion (Li-ion) battery cell featuring an orange high-temperature PVC shrink wrap. The designation ‘18650’ directly specifies its physical dimensions: 18 mm in diameter and 65 mm in height, with the ‘0’ indicating its cylindrical form factor.

Renowned for high energy density, low self-discharge rates, and high nominal discharge voltage (~3.6V–3.7V), 18650 cells serve as fundamental building blocks for both standalone portable electronic devices and multi-cell battery packs used in electric vehicles and renewable energy storage system (ESS) modules.

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Description

Key Specifications

Parameter Standard Value / Range
Form Factor Cylindrical (18650)
Dimensions 18.3 mm (Diameter) × 65.0 mm (Height)
Nominal Voltage 3.6V – 3.7V
Full Charge Voltage 4.20V ± 0.05V
Discharge Cut-off Voltage 2.5V – 2.8V
Typical Capacity 1,800 mAh – 3,500 mAh
Energy Density approx. 200 – 260 Wh/kg
Continuous Discharge Current 10A – 35A (high-drain cells up to 30A+)
Cycle Life 300 – 1,000+ full charge/discharge cycles
Weight approx. 45g – 48g
Chemistry Options NMC (LiNiMnCoO2), LCO (LiCoO2), LFP (LiFePO4)

Applications & Primary Uses

  • Consumer Electronics: High-power LED flashlights, portable power banks, laptops, handheld gaming consoles, and wireless audio hardware.
  • Power Tools & Robotics: Cordless drills, electric saws, vacuum cleaners (e.g., Dyson stick vacuums), lawn mowers, and autonomous robotics.
  • Electric Mobility (EVs): Electric bicycles (e-bikes), electric scooters, skateboards, and multi-cell battery packs in electric cars (e.g., early Tesla Model S/X modules).
  • Energy Storage Systems (ESS): Solar power storage solutions, uninterruptible power supplies (UPS), and off-grid home power backups.
  • Vaporizers & Medical Devices: Vaping hardware, portable medical equipment, monitors, and field instruments requiring reliable high-drain power output.

Key Advantages & Operational Notes

  • Standardization & Compatibility: Global standardized sizing allows modular replacement and custom battery pack assemblies with readily available battery holders, nickel strips, and spot-welding kit.
  • High Power Density: Delivers high energy capacity in a compact and lightweight package compared to NiMH or Lead-Acid alternatives.
  • Battery Management System (BMS) Requirement: Bare cells require a protective BMS circuit to prevent overcharging (>4.2V), deep discharging (<2.5V), thermal runaway, or short circuits.

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Orange 3.70 battery

₹300.00