Rechargeable Li Pol Battery LP-402933-1S-3 3.7V 300mAh Lithium Ion Polymer Battery Packs

Product Overview‌

The LP-402933-1S-3 is a compact lithium-ion polymer (Li-Po) battery pack designed for low-power wearable devices, IoT sensors, or medical instruments. Its key specifications include:

• ‌Voltage‌: 3.7V (nominal), with a stable discharge curve suitable for precision electronics.
• ‌Capacity‌: 300mAh, optimized for intermittent-use applications to balance energy density and longevity.
• ‌Form Factor‌: Slim profile (dimensions not specified, but typical for Li-Po batteries), enabling integration into space-constrained designs.
• ‌Grade‌: A-Grade indicates high-quality cells with minimal performance variance, ensuring reliability in consumer electronics.
  
  Specifications:

• Attribute	Value
  Battery Size	LP-402933-1S-3 3.7V 300mAh, 402933
  Battery Type	Solid state
  Cycle Life	300 cycles
  Application	Consumer Electronics, Toys, Home Appliances, Power Tools
  Weight	about 11g
  Operating Temperature(℃)	0~45℃
  Nominal Capacity	340mAh
  Max charge voltage	4.2V
  Size	about 4.3*29.5*34(mm)
  Discharge cut off voltage	2.5V
  Standard charge current	0.5C
  Charging Temperature	0~45℃
  Warranty	12 Months

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Key Advantages‌

• ‌Lightweight Design‌: Li-Po technology offers superior energy-per-weight ratios compared to traditional lithium-ion batteries, enhancing portability.
• ‌Safety Features‌: Built-in protection circuits prevent overcharge, over-discharge, and short circuits, aligning with international safety standards (e.g., UL, CE).
• ‌Cycle Life‌: Designed for hundreds of charge cycles with capacity retention, reducing replacement frequency.
• ‌Low Self-Discharge‌: Maintains charge during storage, ideal for devices with sporadic usage patterns.

Potential Applications‌

• ‌Wearable Tech‌: Fitness trackers or smartwatches benefit from its compact size and stable voltage output.
• ‌Medical Devices‌: Reliable power for hearing aids or portable diagnostics, where safety is critical.
• ‌IoT Sensors‌: Low-power consumption suits environmental monitoring nodes in smart homes.

Challenges & Considerations‌

• ‌Capacity Limitations‌: 300mAh may suffice for low-drain devices but could require frequent recharging in high-power applications.
• ‌Environmental Impact‌: Lithium sourcing and recycling pose sustainability challenges; responsible disposal is essential to mitigate ecological risks.
• ‌Cost‌: Higher initial cost than lead-acid alternatives, though justified by longevity and efficiency.

Comparative Context‌

• ‌vs. Higher-Capacity Batteries‌: Unlike 18650 cells (e.g., 2600mAh variants for tools), this battery prioritizes miniaturization over energy density, catering to niche markets.
• ‌vs. Emerging Technologies‌: While solid-state batteries promise advancements, Li-Po remains dominant in wearable sectors due to maturity and cost-effectiveness.