30mAh 3.7V LP221620 Slim Flat Li-polymer Battery

LiPo Battery Characteristics
Lipo Cell Model LP221620
Lipo Battery Dimension 2.2mm*16mm*20mm
Li polymer Battery Rated Capacity 30mAh min, 40mAh typ.
Lithium Polymer Battery Watt-Hour Rating 0.111Wh
Max. Operating Voltage 2.75V to 4.20V
Max. Charge Voltage 4.2V ±50mV
Max. Charge Current 15mA
Max. Continuous Discharge Current 30mA
Discharge Cut Off 2.75V
Internal Impedance <200mΩ
Lipo Battery Cycle Life 500 cycles ≥ 80%


Slim Li-polymer Battery LP221620 Used for Small LED Lights


Lipoly Batteries Co., Ltd. is a professional lithium polymer battery supplier from Shenzhen, China. We have 1700+ models li-polymer batteries available. We design 3.7v lipoly battery for new applications everyday. Contact us online for immediate access to stock lipo batteries. Prototype & production quantities available.

LP221620 3.7V slim flat battery is equipped with a protection board or not, which will protect itself during charging and discharging, so there is no need to worry about the safety of lithium batteries. The density of a small lithium ion polymer battery can reach 140Wh/kg, and it has a lithium battery cycle life of 500 times. The long-life and light-weight small lithium polymer battery is the first choice for the design of many small electronic devices.

  • The operating voltage of polymer lithium batteries is high, which is three times that of nickel-cadmium and nickel-hydrogen batteries.
  • Lithium-ion batteries have high specific energy, which has reached 140Wh/kg, which is three times that of nickel-cadmium batteries.
  • The li polymer battery has a long cycle life.
  • The self-discharge of 3.7 v lipo battery is small. The monthly self-discharge rate of lithium-ion batteries is only 6% to 8%.
  • The lipo battery has no memory effect. It can be charged at any time as required without reducing battery performance.
  • Lithium-ion batteries have no pollution to the environment and are veritable “green batteries”.


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Small 3.7 V Li-polymer Battery Applications