3.7V 503040 600mAh 1S LiPo Battery Pack
Summary of 3.7V 503040 600mAh
The 3.7V 503040 600mAh 1S LiPo Battery Pack offers an ideal balance of safety, weight efficiency, and long cycle life, making it a perfect choice for compact and low-power devices. Thanks to its gel or solid-state electrolyte, this lithium polymer battery delivers enhanced safety and reduced explosion risks under abnormal conditions like overcharging or short circuits. With its lightweight soft-pack structure and over 800 deep charge-discharge cycles, it ensures dependable performance for various portable electronics and IoT devices.
503040 Battery 600mAh Technical Information
Model: 503040
Battery Type: Rechargeable Lithium Polymer Battery
Nominal Capacity: 600mAh
Nominal Voltage: 3.7V
Nominal Energy: 2.22Wh
Energy Density: 111Wh/kg
Charge Cut-off Voltage: 4.2V
Discharge Cut-off Voltage: Typically 3.0V, Minimum 2.75V
Standard Charge Current: 0.2C (120mA)
Max Charge Current: 1C (600mA)
Standard Discharge Current: 0.2C (120mA)
Max Continuous Discharge Current: 1C (600mA)
Max Peak Discharge Current: 2C (1200mA)
Internal Resistance: Less than 80mΩ
Cycle Life: More Than 500 Times
Dimensions: 5 × 30 × 40 mm
Weight: 20g
Charge Temperature Range: 0°C to 45°C
Discharge Temperature Range: -20°C to 65°C
Storage Temperature Range:
- -20℃~25℃: More than 12 months
- -20℃~45℃: Less than 3 months
- -20℃~60 ℃: Less than 1 month
Key Features — Lithium Ion Polymer Battery 3.7 V
⚡ High Safety with Polymer Electrolyte
Unlike traditional cylindrical lithium-ion cells, the 503040 LiPo battery utilizes polymer-based electrolytes—either gel-like or solid-state materials.
✅ Explosion-Resistant Design: When exposed to stress, the battery is more likely to swell or rupture rather than explode, greatly reducing damage risk.
✅ Enhanced Stability: The polymer electrolyte reduces leakage and enhances thermal resistance, ensuring consistent operation and safety in everyday applications.
🪶 Lightweight and Compact Construction
This 600mAh LiPo battery is built using a soft aluminum-polymer pouch, eliminating the need for a heavy metal shell.
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Up to 30% lighter than cylindrical lithium-ion equivalents.
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Contributes to slimmer, more portable designs for devices such as smart sensors, GPS trackers, wearable gadgets, and wireless controllers.
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Ideal for space-constrained electronic designs where every gram matters.
🔁 Long Cycle Life for Reliable Performance
With advanced electrode materials and stable electrolyte formulation, the 3.7V 503040 LiPo cell achieves impressive endurance.
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Retains 420mAh or more after 800 deep cycles (under standard test conditions).
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Supports consistent discharge performance across extended usage.
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Ideal for long-term applications in low-power systems, where longevity outweighs raw capacity.
⚙️ Typical Applications
💡 The 503040 3.7V 600mAh LiPo Battery Pack is designed for:
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Smart wearables and fitness trackers
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IoT modules and communication devices
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Bluetooth earphones and controllers
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Handheld measuring instruments
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LED lights and small-scale electronics
⚠️ Usage Notes & Precautions
To ensure optimal performance and safety, observe the following guidelines:
1️⃣ Avoid High Temperatures: Prolonged exposure to >60°C or direct sunlight may cause swelling or deformation.
2️⃣ Not for High-Drain Devices: The moderate 600mAh capacity and limited discharge current make it unsuitable for motor-driven or power-intensive applications.
3️⃣ Charge/Discharge Gently: Use low current charging to extend battery lifespan and maintain stable capacity retention.
❓ FAQ – Frequently Asked Questions
Q1: Does this LiPo battery require balancing during charging?
A: Since this is a single-cell (1S) battery, balancing is not required. However, always use a LiPo-compatible charger with precise voltage control (4.2V ± 0.05V) for safety.
Q2: Can I connect multiple LiPo batteries in series or parallel?
A: Yes, but only if the batteries are identical in capacity, voltage, and charge level. Always include a BMS or protection board to maintain balance and prevent overcharging or over-discharging.
Q3: What are the signs that my LiPo battery needs replacement?
A: Common signs include visible swelling (puffing), voltage drop quickly, reduced capacity, or the battery feeling hot during normal use. Dispose of damaged batteries safely according to local e-waste guidelines.
Q4: Can I use this battery for drones or RC models?
A: Not recommended. Its current output is optimized for low-power electronics, not for high-drain propulsion systems.
Q5: How can I maximize the cycle life of this LiPo cell?
A: Keep it within 0°C–45°C during charging, avoid deep discharges below 3.0V, and use low current charging methods.
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