A Series cylindrical NiMH cells, all parameters sourced from official specification sheets. Nominal 1.2V, unified diameter Φ17mm, multiple height variants including 2/3A, 4/5A, Standard A, 7/5A. Capacity range 1200~3500mAh. Max 1C continuous discharge, ≥500 IEC cycle life, low internal resistance. Support 0.1C standard 16h charge & 0.5C fast charge within 2.4h with -ΔV temperature control. Wide operating temperature -10~55℃, passed vibration, drop and short-circuit safety testing. Custom nickel tabs & assembled battery packs for medical devices, emergency lights, power tools, measuring instruments.

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Full Specifications of A Series Ni-MH Cells (Official Spec Sheet Data)

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Format	Model No.	Size Type	Rated Capacity(mAh)	Min Capacity(mAh)	Height(mm)	Diameter(mm)	Std Charge Current(mA)	Std Charge Time(h)	Rapid Charge Current(mA)	Rapid Charge Time(h)	Weight(g)	Max Continuous Discharge	Cycle Life(IEC)	Target Application
A Series	28A1200	2/3A	1200	1150	28.5	17.0	120	16	600	2.4	32.0	1200mA(1C)	≥500	Small Medical Equipment, Portable Detectors
A Series	43A1700	4/5A	1700	1650	43.0	17.0	170	16	850	2.4	40.0	1700mA(1C)	≥500	Handheld Instruments, Emergency Lights
A Series	43A1800	4/5A	1800	1750	43.0	17.0	180	16	900	2.4	41.5	1800mA(1C)	≥500	Gas Detectors, Wireless Measuring Tools
A Series	50A2000	A	2000	1950	50.0	17.0	200	16	1000	2.4	46.0	2000mA(1C)	≥500	Portable Power Tools, Monitoring Devices
A Series	50A2200	A	2200	2150	50.0	17.0	220	16	1100	2.4	48.5	2200mA(1C)	≥500	Industrial Handheld Equipment, Searchlights
A Series	50A2300	A	2300	2240	50.0	17.0	230	16	1150	2.4	50.0	2300mA(1C)	≥500	High Capacity Portable Instruments
A Series	67A2800	7/5A	2800	2730	67.0	17.0	280	16	1400	2.4	59.0	2800mA(1C)	≥450	Long Time Operating Outdoor Equipment
A Series	67A3300	7/5A	3300	3220	67.0	17.0	330	16	1650	2.4	64.0	3300mA(1C)	≥450	Outdoor Monitoring, Large Handheld Lights
A Series	67A3500	7/5A	3500	3410	67.0	17.0	350	16	1750	2.4	67.0	3500mA(1C)	≥450	Portable Solar Backup Power Unit

Core Performance of A Series Ni-MH Cells (Per Official Spec)

Full Range 1200~3500mAh A Cells

2/3A, 4/5A, A, 7/5A multiple size options for compact equipment

Up To 500 IEC Standard Cycles

2/3A ~ Standard A ≥500 cycles; 7/5A series ≥450 cycles

0.5C Fast Charge In 2.4 Hours

Support fast charging with -ΔV & temperature protection circuit

60% Capacity Retention After 28 Days

Stable self-discharge performance for inventory and standby devices

-10℃ ~ 55℃ Discharge Window

Stable output under low temperature for field portable devices

Pass Full Safety Certification Test

Short circuit / vibration / drop test passed, reliable for industrial use

Factory Supply & Product Advantages

Main Application Fields

For Handheld Instrument Manufacturers

Uniform Φ17mm diameter, multiple height options for compact housing
Custom nickel tab terminals for spot welding battery packs
Precise capacity sorting, consistent voltage & internal resistance
Complete cycle, self-discharge and safety test documents

For Portable Equipment Wholesalers

Low self-discharge, long shelf life for bulk stock storage
Diverse capacity selection matches different runtime requirements
Consistent discharge voltage under low-temperature environment
Complete export certificates: PPWR, RoHS, UN38.3, MSDS

Wide Application Scenarios For A Series Ni-MH Cells

Handheld Measuring Instruments Portable Gas Detector Small Medical Equipment Emergency Exit Lights Wireless Power Tools Portable Searchlight Field Monitoring Sensors Handheld Vacuum Cleaner Industrial Remote Controller Portable Communication Device Outdoor Testing Equipment Mini Backup Power Supply

16 Years Professional A Series NiMH Cell Manufacturer

16+ years professional nickel metal hydride vertical integrated manufacturer
Capacity
3 production bases, total 12,000㎡ factory, 200,000 Units Daily OutputCapacity
Cumulative export volume of 500 million units over 16 years
Independent automatic production line for full A series cylindrical cells
In-house lab for cycle life, self-discharge and high drain performance testing
2/3A, 4/5A, A, 7/5A full models in stock, fast bulk delivery
Provide original official specification sheets for all A series models
OEM service: custom nickel tabs, heat shrink tube, battery pack assembly
Stable industrial battery supplier exporting to more than 60 countries

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

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A NiMH Battery

A Series Ni-MH Rechargeable Batteries2/3A, 4/5A, A, 7/5A Size 1200~3500mAh Cells