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Rechargeable Lithium Cell 302030 3.7V 120mAh Power Li-ion Li-polymer Battery Pack For Record Pen

Rechargeable Lithium Cell 302030 3.7V 120mAh Power Li-ion Li-polymer Battery Pack For Record Pen

Brand Name: RESKY
Model Number: LP302030
MOQ: 500pcs
Price: Negotiable
Packaging Details: Paper box
Payment Terms: D/P,D/A,T/T,Western Union
Detail Information
Place of Origin:
China
Certification:
CE, RoHS, MSDS, Un38.3, IEC62133
Model NO.:
LP302030
Capacity:
120mAh
MOQ:
10PCS
Electrolyte:
Li(Nicomn)O2
Cycle Life:
500cycles
Warranty:
12months
Shipping:
UPS, DHL, FedEx, TNT, By Air, By Sea, Special Line
Lead Time:
Within 7-10 Workdays
Connector:
Jst, Molex....
Specification:
3*20*30mm
Supply Ability:
50000pcs/dat
Highlight:

Rechargeable lithium battery 302030 3.7V

,

Li-ion battery pack for record pen

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120mAh lithium polymer battery pack

Product Description
Rechargeable Lithium Cell 302030 3.7V 120mAh Power Li-ion Li-polymer Battery Pack For Record Pen
Technical Specifications
NO. Items Specifications
1 Batteries 3.7V 120mAh LiPo battery
2 Charge voltage 4.2V
3 Nominal voltage 3.7V
4 Nominal capacity 120mAh @ 0.2C Discharge
5 Charge current Standard Charging: 0.2C
Rapid charge: 1.0C
6 Standard Charging method 0.5C CC charge to 4.2V, then CV charge till current ≤0.05C
7 Charging time Standard: 2.75 hours
Rapid: 2 hours
8 Max. charge current 0.5C
9 Max. discharge current 1.0C
10 Discharge cut-off voltage 2.5V±0.25V (0.2C)
11 Operating temperature Charging: 0°C~45°C
Discharging: 0°C~45°C
12 Storage temperature -10°C~+45°C
13 Dimension Length: 30±0.5mm
Width: 20±0.5mm
Thickness: 3±0.2mm
14 Drop Test Dropped from 1m height twice onto concrete - no fire/leakage
15 Cycle time ≥500 cycles
Usage & Maintenance Guidelines
For use only with devices marked "3.7V Small Lithium Polymer Battery" (e.g., smart bracelets, micro sensors). Do not use with other battery specifications to prevent voltage mismatch.
Important: Inspect battery every 1-2 months. Discontinue use if you notice bulging or leakage (sticky white powder). For long-term storage, maintain charge at 3.7-3.8V (50%-60% capacity).
Storage Recommendations
  • Store at 10-25°C (optimal 20°C) with humidity <60%
  • Keep away from humid environments and heat sources
  • Use insulated containers away from metal objects
  • Wrap terminals when storing multiple batteries
Transportation Guidelines
  • Wrap terminals with insulating tape or caps
  • Use bubble wrap or foam bags for protection
  • For bulk transport, use anti-static packaging
  • Maintain temperature between 10-30°C during transport
Primary Applications
  • Portable electronics: Bluetooth headsets, electronic scales, toys
  • Consumer electronics: Beauty devices, education devices
  • Energy storage: Dashcams, Bluetooth speakers
  • Small drones (for short-range missions)
Application:

Consumer electronics:


Bluetooth headsets, wireless mice, smartwatches, MP3/MP4 players, digital photo frames, and other personal digital devices.


Smart home and IoT devices:


Including smart remote controls, fingerprint locks, tire pressure monitors, smart robots, mite removers, and other low-power smart hardware.


Medical and health devices:


Electronic scales, eye massagers, beauty devices, blood glucose meters, and other portable medical instruments.


Outdoor and sports equipment: such as Bluetooth speakers, camping lights, action cameras, electric toys, and other outdoor gear requiring a portable power source.


Other small electronic tools: including walkie-talkies, barcode scanners, dashcams, e-readers, and other professional or everyday tools.

Product Images

Rechargeable Lithium Cell 302030 3.7V 120mAh Power Li-ion Li-polymer Battery Pack For Record Pen 0

Rechargeable Lithium Cell 302030 3.7V 120mAh Power Li-ion Li-polymer Battery Pack For Record Pen 1

Rechargeable Lithium Cell 302030 3.7V 120mAh Power Li-ion Li-polymer Battery Pack For Record Pen 2

Rechargeable Lithium Cell 302030 3.7V 120mAh Power Li-ion Li-polymer Battery Pack For Record Pen 3

Rechargeable Lithium Cell 302030 3.7V 120mAh Power Li-ion Li-polymer Battery Pack For Record Pen 4

Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

M
Mofak
United Kingdom Dec 5.2025
Good quality! Easy communication, fast response, fast delivery, good supplier! Recommend.
A
Andrius
Lithuania Apr 16.2025
High quality, working well on our portable medical devices, Resky is a reliable supplier for lithium battery
M
Michael
France Dec 28.2022
Tested 604070 3.7v 2000mAh lithium polymer battery cell with many charging and discharging cycles, they working very good, capacity keeping very stable.