3.7V 102050 1000mAh Lithium Polymer Battery with PCB
Summary of 3.7V 102050 1000mAh Battery
The 3.7V 102050 1000mAh Lithium Polymer Battery with PCB is a high-energy-density, lightweight, and compact power source designed for portable and small electronic devices. With an impressive energy density of 194.7 Wh/kg, it delivers long runtime in minimal size. Weighing only 19g (including protection board) and just 20mm wide, this Li-Poly battery provides efficient power without adding bulk. Equipped with a protection circuit board (PCB) for overcharge, overdischarge, overcurrent, short circuit, and overtemperature protection, it supports 1A continuous charge/discharge and retains 80% capacity after 500 deep cycles. Built for reliability in a wide operating temperature range (-20°C to +65°C) and available with custom sizes, capacities, terminals, and OEM branding, this battery is ideal for wearables, handheld electronics, IoT devices, and smart sensors.
102050 1000mAh 3.7V Battery Technical Information
Model: 102050
Battery Type: Rechargeable Li-Polymer Battery
Nominal Capacity: 1000mAh
Nominal Voltage: 3.7V
Nominal Energy: 3.7Wh
Energy Density: 194.7Wh/kg
Charge Cut-off Voltage: 4.2V
Discharge Cut-off Voltage: Typically 3.0V, Minimum 2.75V
Standard Charge Current: 0.2C (200mA)
Max Charge Current: 1C (1000mA)
Standard Discharge Current: 0.2C (200mA)
Max Continuous Discharge Current: 1C (1000mA)
Max Peak Discharge Current: 2C (2000mA)
Internal Resistance: Less than 60mΩ
Cycle Life: More Than 500 Times
Dimensions: 10 × 20 × 50 mm
Weight: 19g
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
Connector: Bare wires or optional with JST, Molex etc
Key Features- 37v 1000mAh 102050
🔋High Energy Density – Up to 194.7 Wh/kg
Experience superior energy efficiency in a compact size, perfect for designers seeking maximum performance in limited space.
Delivers 1000mAh capacity at 3.7V nominal voltage
Energy density: 194.7 Wh/kg
Provides longer runtime for compact devices without increasing battery volume
🪶Lightweight and Ultra-Compact Design
Weighing only 19 grams (including protection board) and just 20mm wide, the 102050 Li-Poly battery is incredibly light and space-efficient, lightweight design ensures portability and ergonomic comfort. Easy to integrate into tight enclosures or slim product housings.
🧠 Built-in PCB Protection for Safe Operation
Integrated protection circuit board (PCB) includes comprehensive safeguards, Overcharge / Overdischarge protection, Overcurrent / Short circuit protection, Overtemperature protection. The smart PCB ensures stable performance, longer cycle life, and enhanced device safety during daily use.
🔄 Long Cycle Life – 500+ Charge Cycles
Engineered for durability and reliability, 500 deep charge-discharge cycles with ≥80% capacity retention, Long-term stability for extended device lifespan. Perfect for devices requiring consistent, long-lasting power support.
🌡️ Wide Operating Temperature Range
Built to perform in diverse environments, operates efficiently from -20°C to +65°C, reliable performance in both cold and hot conditions. Suitable for outdoor gadgets, industrial sensors, and temperature-variable applications.
⚙️ Customizable for Your Application
Flexible manufacturing options for OEM and custom projects. Tailor-made solutions to fit specific electronic designs or brand requirements.
🔧 Customizable dimensions, capacity, and connector types
🧩 Available in different cell chemistries and form factors
🏷️ OEM labeling and packaging support
💡 Efficient Power Delivery
With 1A continuous charge/discharge current, the 102050 Li-Poly battery ensures smooth, efficient power flow, minimal heat buildup due to low internal resistance, stable voltage output for sensitive electronics.
🧩 Ideal Applications
This compact, protected battery is perfect for:
Wearable devices (smart bands, health monitors)
IoT sensors & GPS trackers
Mini drones & toys
LED devices & handheld tools
Portable medical and testing instruments
❓ FAQ – Frequently Asked Questions
Q1: Does this battery include a protection board?
A: Yes, it includes a built-in PCB providing full safety protection (overcharge, overdischarge, short circuit, overcurrent, and overtemperature).
Q2: Can this battery be recharged with a standard Li-ion charger?
A: Yes. A standard 4.2V CC/CV Li-ion charger with 1A current is compatible.
Q3: What are common applications for this battery?
A: Perfect for IoT devices, GPS trackers, handheld instruments, smart sensors, and wearables.
Q4: Is customization available?
A: Yes. at Cestpower we can customize size, capacity, connectors, terminals, and OEM brand.
Q5: Is Cestpower manufacturer or trader?
A: Cestpower is top 10 lithium ion polymer battery manufacturers in China, we produce not only battery cell but also battery pack, contact us for more details
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