501525 150mAh 3.7V LiPo Battery with PCB
Summary of 501525 150mAh 3.7V Battery
The 501525 150mAh 3.7V LiPo Battery with PCB is an eco-friendly, compact, and high-performance rechargeable lithium polymer battery designed for small, low-power electronic devices. With a high energy density of 158.57Wh/kg, it delivers powerful performance in a lightweight and ultra-thin package. Built with environmentally conscious materials—free of mercury and cadmium—it’s both safe and recyclable. The integrated protection board (PCB) ensures stability by preventing overcharge, over-discharge, and short circuits. Supporting 500+ charge cycles and a lifespan of up to 4 years, this LiPo cell is a reliable and sustainable power choice for modern portable electronics.
501525 Battery Technical Information
Model: 501525
Battery Type: Li-Polymer Battery
Nominal Capacity: 150mAh
Nominal Voltage: 3.7V
Energy: 0.555Wh
Energy Density: 158.57Wh/kg
Charge Cut-off Voltage: 4.2V
Discharge Cut-off Voltage: Typically 3.0V, Minimum 2.75V
Standard Charge Current: 0.2C (30mA)
Max Charge Current: 1C (150mA)
Standard Discharge Current: 0.2C (30mA)
Max Continuous Discharge Current: 1C (150mA)
Max Peak Discharge Current: 2C (300mA)
Internal Resistance: Less than 220mΩ
Cycle Life: More Than 500 Times
Dimensions: 5.0 × 15 × 25 mm
Weight: 3.5g
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
🌱 Eco-Friendly & Recyclable Power Solution
The 501525 LiPo battery is designed with sustainability in mind. By choosing this battery, you contribute to a cleaner, more sustainable energy ecosystem without sacrificing performance.
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No mercury or cadmium, making it environmentally safe and non-toxic.
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Fully recyclable materials, reducing e-waste and supporting green manufacturing.
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Low self-discharge rate minimizes energy waste during storage.
⚡ High Energy Density in a Small Package
Despite its small size, the 501525 LiPo battery delivers exceptional energy efficiency. This makes it an excellent power source for modern electronics demanding both efficiency and portability.
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Energy density up to 158.57Wh/kg, offering strong output for its size.
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Compact dimensions (5.0 × 15 × 25mm) make it ideal for space-limited applications.
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Lightweight construction ensures optimal power-to-weight ratio for portable devices such as wearables, trackers, and IoT sensors.
🪶 Ultra-Thin & Lightweight Design
Built using a soft polymer pouch, this LiPo battery combines flexibility and minimal weight. Ultra-thin form factor allows integration into tight enclosures. Perfect for smart wearables, compact controllers, and wireless modules. The flat and moldable structure can be customized to meet specific product shapes.
🧠 Built-in PCB for Comprehensive Protection
Safety and stability are guaranteed with an integrated protection circuit board (PCB). This ensures safe operation and prolongs battery life, even in continuous-use environments.
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Overcharge protection prevents unsafe voltage buildup.
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Over-discharge protection safeguards against excessive depletion.
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Short-circuit protection automatically cuts off abnormal current flow.
🔁 Long Cycle Life & Reliable Performance
The 501525 LiPo battery offers outstanding durability over time. 500+ charge-discharge cycles, maintaining stable capacity. and 3–4 years of service life, minimizing replacement costs. Consistent discharge performance ensures dependable operation for years. It’s a durable and cost-effective solution for long-term electronic projects and consumer products.
⚙️ Typical Applications
💡 The 501525 150mAh 3.7V LiPo Battery with PCB is ideal for:
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Smart wearables and health monitors
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IoT devices and communication modules
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Bluetooth headsets and wireless pens
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GPS trackers and RFID tags
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Miniature portable tools and controllers
⚠️ Usage Notes & Precautions
To ensure optimal safety and longevity:
1️⃣Avoid High Temperatures: Exposure above 60°C or direct sunlight can cause swelling (puffing).
2️⃣ Low-Power Use Only: Capacity is modest—designed for low-current devices, not for motorized or high-drain tools.
3️⃣ Proper Storage: For long-term storage, maintain 40–60% charge (≈3.7–3.8V) and recharge every 3 months.
4️⃣ Avoid Overcharge/Over-discharge: Use proper LiPo chargers with protection circuits to extend service life.
5️⃣ Use CC/CV Charging: Always use a constant-current/constant-voltage charger to ensure stability and safety.
❓ FAQ – Frequently Asked Questions
Q1: Does this LiPo battery have a memory effect?
A: No. LiPo batteries are free from memory effect, so you can charge or discharge them at any time without degrading capacity.
Q2: How can I tell if the battery is fully charged?
A: When charged using a proper CC/CV charger, the battery reaches 4.2V, and the charging current naturally tapers to near zero—indicating full charge.
Q3: Is there any risk of leakage?
A: No liquid electrolyte is present, so leakage risk is minimal. However, physical damage or exposure to high heat may cause swelling or venting.
Q4: What charging method should I use?
A5: Always use a CC/CV (Constant Current/Constant Voltage) charger designed for 3.7V LiPo batteries to maintain battery health and prevent damage.
Q5: What is the self-discharge rate of this battery?
A: The 501525 LiPo battery has a low self-discharge rate of less than 1% per month, making it ideal for long standby or intermittent-use devices.
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