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402035 3.7V 250mAh Li-ion Battery Cell Rechargeable Lithium Polymer Battery for Voice Recorder

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402035 3.7V 250mAh Li-ion Battery Cell Rechargeable Lithium Polymer Battery for Voice Recorder

Brand Name:	RESKY
Model Number:	LP402035
MOQ:	500pcs
Price:	Negotiable
Packaging Details:	Paper box
Payment Terms:	T/T,Western Union

Detail Information

Product Description

Ratings & Reviews

Detail Information

Place of Origin:

China

Certification:

CE, RoHS, MSDS, Un38.3,IEC62133, ECT

Document:

LP502030 250mAh cell specif...on.pdf

Nominal Capacity:

250mAh

Charging Current:

0.2c

Continuous Discharging Current:

0.5c

Max Discharging Current:

Weight:

11g

Cycle Life:

500cycles

Warranty:

12months

Connector:

Jst, Molex....

OEM Service:

Yes

Specification:

4*20*35mm

Supply Ability:

50000pcs/day

Highlight:

3.7V Li-ion battery for voice recorder

250mAh lithium polymer battery cell

rechargeable Li-ion battery with warranty

Product Description

Li-ion Battery Cell 402035 3.7V 250mAh 0.93wh Rechargeable Lithium Polymer Battery

Compact 3.7V 250mAh lithium polymer battery designed for voice recorders and other portable electronic devices, featuring high energy density and reliable performance.

Product Specifications

Item	Specifications
Batteries	3.7V 250mAh LiPo battery
Charge voltage	4.2V
Nominal voltage	3.7V
Nominal capacity	250mAh @ 0.2C Discharge
Charge current	Standard Charging: 0.5C 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 (Ref.) Rapid: 2 hours (Ref.)
Max. charge current	1.0C
Max. discharge current	1.0C
Discharge cut-off voltage	2.75V (0.2C)
Operating temperature	Charging: 0°C ~45°C Discharging: 0°C ~45°C
Storage temperature	-10°C ~ +45°C
Dimension	Length: 35±2mm Width: 20±0.5mm Thickness: 4±0.2mm
Drop Test	1m drop onto concrete twice. No fire, no leakage
Cycle time	≥500 cycles

Key Features

Ultra-Compact & Lightweight Design: Slim soft-pack structure with only 4mm thickness and approximately 5g weight, ideal for miniaturized portable devices.
High Safety & Stable Performance: Aluminum-plastic film soft package eliminates leakage risk with built-in PCM protection for over-charge, over-discharge, over-current and short-circuit protection.
High Energy Density & Reliable Output: 3.7V rated voltage and 250mAh capacity provide stable, long-lasting power with higher energy density than same-size cylindrical batteries.
Low Self-Discharge & Long Cycle Life: Less than 3% self-discharge rate per month with over 500 cycles and capacity retention above 80%.
No Memory Effect & Flexible Charging: Supports charging at any power level without memory effect, compatible with standard 4.2V charging.
Wide Temperature Adaptability: Operating temperature range of charging 0~45℃ and discharging -20~60℃ for stable performance in various environments.
Customizable & OEM/ODM Supported: Accepts customization on terminals, protection boards, and labeling with stable quality and fast delivery.

Main Applications

Smart Wearable Devices: Smart bracelets, GPS watches, motion trackers with 1-2 days of low-power use
Miniature Digital Devices: Bluetooth headsets, voice recorders, MP3 players, cameras with 3-6 hours of use
IoT Terminals: Wireless sensors, RFID tags, data collectors with long standby times
Medical Devices: Blood glucose meters, pulse oximeters, massagers with stable discharge
Toys and Models: Remote control cars, drones, robots with compact size and low-rate discharge
Backup Power: Auxiliary power for smart door locks, emergency power for small devices

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

SIRIEYS

France Jul 19.2023

Helpful (1w+)

After many discharging/charging cycles of the samples LP604070 2000mah you sent…..we are satisfied !

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.

Anna

Lithuania Nov 30.2022