1/3AA Ni-MH Rechargeable Button Cell Battery 250mAh 1.2V with Solder Tabs

Q: What is cycle‑life of 1/3AA 250mAh Ni‑MH battery?

≥450 cycles tested according to IEC61951‑2‑2017 standard under 0.2C charge‑discharge test conditions.

Q: What is internal resistance for this 1/3AA Ni‑MH cell?

≤80mΩ when fully‑charged, measured under 1KHz AC condition.

Q: Can you weld tabs and make custom packs for 1/3AA 250mAh cells?

Yes, we support spot welding tabs, lead wires, connectors and custom battery pack assembly for OEM projects.

Q: What export certificates are available for 1/3AA Ni‑MH cells?

PPWR, CE, RoHS, REACH and MSDS documents can be provided for overseas shipment.

Q: Can I get samples of 1/3AA 250mAh nickel metal hydride cell?

Samples are available for customer performance verification, buyer needs to bear the shipping cost.

WEIJIANG original 1/3AA Ni-MH rechargeable button cell battery, rated capacity 250mAh, nominal voltage 1.2V. Equipped with custom solder tabs for easy PCB mounting and battery pack assembly.
Featuring stable discharge performance, low internal resistance and long cycle life, it is widely used for memory backup power, small electronic instruments, medical devices and smart home control modules.
All cells are 100% fully tested before delivery, with complete international certifications. We support OEM custom terminal design, capacity grading and bulk wholesale supply.

Get a Quote Download

Description

Full Technical Specifications (WJ‑1/3AA250)

Parameter Item	Specification
Model Number	WJ‑1/3AA250
Nominal Voltage	1.2V per cell
Rated Capacity	250mAh (Minimum 225mAh)
Cell Size	1/3AA Cylindrical Ni‑MH
Dimension (D×H)	Φ14.5mm × 17.0mm
Weight	Approx 6.0g
Internal Resistance (1kHz, fully charged)	≤ 80 mΩ
IEC Cycle Life	≥450 cycles (IEC61951‑2:2017)
Max Continuous Discharge Current	250mA (1C)
Standard Charge	25mA (0.1C), 16 hours
Fast Charge	125mA‑250mA with delta‑V charge‑termination control
Discharge Temperature Range	-10℃ ~ +55℃
Short‑term Storage Temperature (<30 days)	-20℃ ~ +55℃
Cut‑off Discharge Voltage	1.0V/cell
28‑day Self‑discharge Retention	≥60% capacity @20℃
Certifications	PPWR,CE, RoHS, REACH, MSDS documents available

Core Performance Advantages

≥450 IEC‑standard cycles: Complies with IEC61951‑2‑2017 cycle test for small‑size standby powered devices.
Compact 1/3AA form factor: Short cylindrical size, ideal for space‑constrained small electronic hardware.
Low internal resistance ≤80mΩ: Stable discharge performance for low‑current miniature instruments.
Wide operating temperature: Discharge range from‑10℃ up to +55℃, work for indoor and mild outdoor equipment.
Verified safety performance: Pass over‑charge, over‑discharge, short‑circuit, vibration and drop reliability tests.
Tab welding available: Factory direct spot‑weld tabs, leads, custom battery packs for OEM project requirements.

Performance Characteristic Curves

1.0C Rate Charging Curves

0.1C‑1.0C Multi‑Rate Charging Curves

0.2C / 0.5C / 1C Discharging Curves

Storage & Self‑Discharge Retention Curves

OEM Custom Battery‑Pack Service

We offer OEM & ODM custom assembly service based on WJ‑1/3AA250 small Ni‑MH cells. Series‑parallel combination, spot‑weld metal tabs, flying leads, assorted connectors and plastic housings can be customized to match your compact device layout limitation.

Custom 1/3AA Ni‑MH battery pack manufacturing workflow

Typical Application Scenarios

The compact‑size 1/3AA 250mAh nickel‑metal hydride cell is widely used on miniature low‑power electronics and industrial sensor hardware.

Smoke & gas detectors Miniature sensors Small medical accessories Remote control transmitters Emergency indicator lights Compact portable gadgets

Frequently Asked Questions

Q1: What is cycle‑life of 1/3AA 250mAh Ni‑MH battery?

A: ≥450 cycles tested according to IEC61951‑2‑2017 standard under 0.2C charge‑discharge test conditions.

Q2: What is internal resistance for this 1/3AA Ni‑MH cell?

A: ≤80mΩ when fully‑charged, measured under 1KHz AC condition.

Q3: Can you weld tabs and make custom packs for 1/3AA 250mAh cells?

A: Yes, we support spot welding tabs, lead wires, connectors and custom battery pack assembly for OEM projects.

Q4: What export certificates are available for 1/3AA Ni‑MH cells?

A: PPWR, CE, RoHS, REACH and MSDS documents can be provided for overseas shipment.

Q5: Can I get samples of 1/3AA 250mAh nickel metal hydride cell?

A: Samples are available for customer performance verification, buyer needs to bear the shipping cost.

Manufacturer & Certification Support

Weijiang Power specializes in small‑form‑factor Ni‑MH rechargeable cells with 16‑year manufacturing experience. Automatic production lines and in‑house reliability lab support mass‑order and small‑batch OEM customization. Full set export‑ready documents for global customers.

View All Certifications > Factory & Testing Lab Showcase >

Language