The WLY103443 3.7V 1500mAh 1S LiPo battery pack is a single-cell lithium polymer pouch battery engineered for lightweight and space-efficient electronic designs. With a 7.4Wh energy rating, 1C max charge/discharge rate, and stable 3.7V nominal output, it ensures consistent performance for micro power-critical applications.
This battery comes with bare open wires (Red = V+, Black = GND) for direct integration with 3.7V CC/CV lithium chargers (TP4056, 1S LiPo BMS, boost converters, and embedded IoT PCBs). Its polymer pouch form factor (10×34×43mm) makes it highly suitable for compact enclosures where cylindrical cells cannot fit.
Designed for:
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Wearable electronics
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Micro drones (1S flight packs)
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IoT devices (ESP32/ESP8266 sensor nodes)
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Portable LED lights & embedded systems
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RC micro builds & DIY electronics
Features
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High-Capacity Power: 1500mAh for long backup
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Stable Output: 3.7V nominal voltage
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Lightweight & Portable: ≈30g micro pouch cell
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1S Configuration: Single cell LiPo pack (1S)
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Direct Integration: Open wire output
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Reliable Cycle Life: ≥300 charge cycles at 0.5C (20±5°C)
Package Includes
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1 × WLY103443 3.7V 1500mAh 1S LiPo Battery Pack (Open Wire Output)
Battery Specifications
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Model No.: WLY103443
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Chemistry: Lithium Polymer (LiPo), 1S Single Cell
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Nominal Voltage: 3.7V
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Capacity: 1500mAh
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Energy Rating: 7.4Wh
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Max Charge/Discharge Rate: 1C
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Continuous Charge/Discharge Current: 0.5C
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Connector Type: Open wire output (Red = 3.7V+, Black = GND)
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Life Cycles: ≥300 cycles (0.5C to 2.75V, <80% after 300 cycles, 20±5°C)
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Cell Dimensions: 10mm × 34mm × 43mm
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Max Cell Size incl. PCB: 10mm × 34mm × 45.5mm
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Weight: 30g
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HSN (for reference): 8507 series lithium batteries
Safety & Usage Notes
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Charge using 1S 3.7V CC/CV chargers only (4.2V cutoff)
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Always pair with a BMS/protection circuit for short-circuit and over-discharge safety
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Avoid direct wire shorting, puncture, or heat exposure inside tight enclosures
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