Self-produced green nickel metal hydride cells with exclusive explosion-proof patent & Japanese electrode technology. Ultra low self-discharge, wide temperature adaptability -40℃~85℃（MAX）, full series capacity 400mAh~2500mAh. Fully Certified PPWR, CE, UL, RoHS, UN38.3.

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Full Specifications of AA Series Ni-MH Batteries

Filter By Size Format:

Format	Model No.	Capacity(mAh)	Height(mm)	Diameter(mm)	Std Charge Current(mA)	Std Charge Time(h)	Rapid Charge Current(mA)	Rapid Charge Time(h)	Target Client
2/3AA	LC-28AA650	650	29	14.5	65	16	650	1.2	RC Model Factory
2/3AA	LC-28AA750	750	29	14.5	75	16	750	1.2	RC Model Factory
4/5AA	LC-43AA1100	1100	43	14.5	110	16	1100	1.2	Small Household Devices
4/5AA	LC-43AA1200	1200	43	14.5	120	16	1200	1.2	Small Household Devices
AA	LC-50AA2000	2000	50.5	14.5	200	16	1000	2.4	Supermarket Wholesale Best Seller
AA	LC-50AA2500	2500	50.5	14.5	250	16	1250	2.4	High Capacity Retail
AA	LC-50AA1300	1300	50.5	14.5	130	16	1300	1.2	Budget Retail Pack

Key Characteristics of Our AA Ni-MH Batteries

Exclusive Explosion-Proof Tech

Independent safety patent, low short-circuit risk for retail & equipment use

Full Capacity Range 400~2500mAh

2/3AA, 4/5AA, standard AA full size series for diversified demands

500+ Charge-Discharge Cycles

Long service life, reduce after-sales cost for distributors

Low Self Discharge

80% capacity retention after 1 year storage, long shelf life for supermarket

-40℃ ~ 85℃ Wide Temp Range

Stable discharge in harsh cold & high temperature environment

Support Fast Charging

1.2h~2.4h rapid charge option for high efficiency production

Custom Solutions

Full Application Areas

For Supermarket & Wholesale Distributors

LSD low self discharge, long shelf life for retail shelf display
Custom blister card, color box, shrink wrap private label packaging
Complete global certifications, pass supermarket random inspection
Low MOQ mixed batch wholesale, full size one-stop supply

For Consumer Electronic OEM Manufacturers

Custom nickel tab terminal for battery pack assembly
Short size 2/3AA & 4/5AA for compact mini devices
Wide temperature performance for medical & monitoring equipment
Free technical drawing & 7-day sample support for mass production

Main Application Scenarios

Solar lawn lights, wireless mouse & keyboards, electric toys, remote controls, medical equipment, smart home security devices, and emergency backup power supply.

Our NiMH Cell Factory Advantages

16+ years professional nickel metal hydride vertical integrated manufacturer
3 production bases, total 12,000㎡ factory, 200,000 Units Daily Output Capacity
Cumulative export volume of 500 million units over 16 years
Full automatic winding, formation & sorting production lines, 100% full inspection
Independent R&D laboratory, 12+ senior electrical engineers team
Support full OEM & ODM custom service, free sample within 7 working days
Export to more than 60 countries, stable supply chain for global brands

Performance Data & Quality Assurance

All Weijiang NiMH cells are 100% tested for capacity, internal resistance and voltage before shipment. Below are representative performance curves and quality parameters for our standard NiMH cells.

Cycle Life: 80%+ capacity after 1000 cycles

Self-Discharge: 84% retention after 6 months @ 20°C

NiMH Discharge Voltage Curves at Different Rates

Discharge Voltage: Stable plateau at 0.2C–2C (D-cell representative)

Parameter	Standard	Test Method
Cycle Life	≥1000 cycles (80% DOD)	0.5C charge / 1C discharge, 25°C
Self-Discharge	≤16% / 6 months @ 20°C	Standard charge, store 6 months, measure
Operating Temp	Charge 0–45°C, Discharge −20–55°C	Environmental chamber test
Internal Resistance	≤30 mΩ (AA cell, typical)	AC milliohm meter @ 1kHz
Capacity Tolerance	±5% of rated capacity	0.2C discharge to 1.0V