Li Ion 2S 7.4V 18650 2000mAh Battery for GPS Tracker Audio Speaker POS
Summary of 7.4 V 2000mAh Battery
The Li-ion 2S 7.4V 18650 2000mAh Battery is a lightweight, high-energy-density power solution built with nickel cobalt manganese (NCM) cells. Equipped with an integrated protection circuit board (PCB), it offers advanced safeguards such as overcharge, over-discharge, short-circuit, overcurrent, and temperature protection. Designed for reliability and flexibility, this rechargeable battery is perfect for GPS trackers, portable speakers, POS systems, and other compact electronics requiring stable 7.4V power.
18650 2S Battery Pack Parameters
Battery Model: 2S 18650
Battery Type: Li Ion Battery
Nominal Voltage: 7.4V
Charge Voltage: 8.4V
Cut-off Voltage: 5.4V
Nominal Capacity: 2000mAh
Minimum Capacity: 1950mAh
Max Continuous Discharge Current: 2A
Peak Discharge Current: 4A
Max Charge Current: 2A
Cycle Life: ≥500 Cycles @80% DOD
Weight: 95g
Size: 19*38*70 mm
Charging Temperature: 0°C to 50°C
Operating Temperature: -20°C to 65°C
Storage Temperature:
- -20℃~25℃: 12 months
- -20℃~45℃: 3 months
- -20℃~60 ℃: 1 month
Key Features – 2S 18650 Battery Pack
⚡ High Energy Density & Lightweight Design
Built with premium NCM 18650 lithium-ion cells, this pack achieves high energy density in a compact form. Compared to LiFePO4 batteries, NCM technology provides more power in less weight, ensuring longer runtime without increasing device bulk—ideal for portable devices.
🛡️ Advanced Safety Protection
Safety is paramount. The built-in PCB protection circuit includes:
- Overcharge protection
- Over-discharge protection
- Overcurrent protection
- Short-circuit protection
- Overtemperature protection
This ensures the battery maintains stable voltage output and operates safely under all conditions.
🔁 Long Cycle Life & Reliable Performance
Engineered for durability, this 7.4V pack maintains over 80% of its original capacity after 500+ charge cycles. With 2A continuous discharge capability, it delivers stable current for devices that demand consistent power over time.
🌡️ Wide Operating Temperature Range
Designed for real-world environments, the battery performs efficiently from -20°C to +65°C. Whether in cold outdoor tracking devices or warm indoor applications, it maintains dependable performance and power stability.
⚙️ Customizable Options
To suit different design requirements, the battery can be customized in multiple ways:
- Voltage, capacity, and size adjustments
- BMS upgrades for higher current output
- OEM branding: custom labels, sleeves, or packaging
- Connector and cable length customization
This flexibility ensures perfect compatibility with your devices and production needs.
🔌 Versatile Applications
This 2S 7.4V 2000mAh Li-ion battery is ideal for:
- GPS Trackers & IoT Devices
- Bluetooth Audio Speakers
- POS Terminals & Barcode Scanners
- Smart Instruments
- Portable Security Systems
Its high power-to-weight ratio and built-in protection make it a trusted power source for both industrial and consumer electronics.
❓Frequently Asked Questions (FAQ)
Q1: Does the battery include a protection circuit?
A: Yes. The integrated PCB protection module provides safeguards against overcharge, over-discharge, short circuit, overcurrent, and overheating.
Q2: Can I customize the connector and wire length?
A: Absolutely. We offer full customization including wire length, plug type (JST, Molex, DC, etc.), and insulation sleeve.
Q3: What is the recommended charging method?
A: Use a 7.4V Li-ion compatible charger with CC/CV mode, charging at ≤1C (2A max). Avoid overcharging beyond 8.4V.
Q4: What is the expected lifespan of this battery?
A: After 500 full charge-discharge cycles, the battery retains over 80% capacity, ensuring long operational life.
Q5: Is OEM or branding service available?
A: Yes, we support OEM customization, including printed logos, product labeling, shrink-wrapping, and custom packaging.
Related Battery
