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

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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

Product Description

Ratings & Reviews

Detail Information

Place of Origin:

China

Certification:

CE, RoHS, MSDS, Un38.3, IEC62133

Model NO.:

LP302030

Capacity:

120mAh

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

120mAh lithium polymer battery pack

Product Description

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

Compact rechargeable lithium polymer battery designed specifically for recording pens and other small electronic devices requiring reliable portable power.

Technical Specifications

Item	Specifications
Battery Type	3.7V 120mAh LiPo battery
Charge Voltage	4.2V
Nominal Voltage	3.7V
Nominal Capacity	120mAh @ 0.2C Discharge
Charge Current	Standard Charging: 0.2C Rapid charge: 1.0C
Standard Charging Method	0.5C CC charge to 4.2V, then CV charge till current ≤0.05C
Charging Time	Standard: 2.75 hours Rapid: 2 hours
Max. Charge Current	0.5C
Max. Discharge Current	1.0C
Discharge Cut-off Voltage	2.5V±0.25V (0.2C)
Operating Temperature	Charging: 0°C~45°C Discharging: 0°C~45°C
Storage Temperature	-10°C~+45°C
Dimensions	Length: 30±0.5mm Width: 20±0.5mm Thickness: 3±0.2mm
Drop Test	Dropped from 1m height twice onto concrete - no fire/leakage
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

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

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

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

3 stars

2 stars

1 stars

All Reviews

Mofak

United Kingdom Dec 5.2025

Helpful (1500)

Good quality! Easy communication, fast response, fast delivery, good supplier! Recommend.

Andrius

Lithuania Apr 16.2025

Helpful (3000)

High quality, working well on our portable medical devices, Resky is a reliable supplier for lithium battery

Michael

France Dec 28.2022

Helpful (1w+)

Tested 604070 3.7v 2000mAh lithium polymer battery cell with many charging and discharging cycles, they working very good, capacity keeping very stable.

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

Rechargeable lithium battery 302030 3.7V

Li-ion battery pack for record pen

120mAh lithium polymer battery pack

Overall Rating

Rating Snapshot

All Reviews