Wide-Temp Ni-MH Batteries

20 Years Ultra Wide Temp NiMH Factory

Ultra Wide Temperature Ni-MH Cells (-40℃ ~ 85℃)
AAA / AA / F Full Series Extreme Environment Cells

Weijiang Full series industrial ultra wide temp NiMH cells strictly based on official delivery specs, 5 standard models available: AAA500/600mAh, AA1200/1300mAh, F13000mAh. All models support stable discharge at -40℃ low temperature & 85℃ high temperature. Nominal 1.2V, IEC ≥500 cycle life, low internal resistance, dual charge mode (0.1C standard 16h / 0.3~0.5C fast 2.4~7h). Pass short circuit, vibration, drop & extreme temperature aging test. Custom nickel tabs & large series-parallel packs for mining, oilfield, cold-region monitoring, high-temp industrial equipment, off-grid solar systems.

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Full Specifications Of All -40℃~85℃ Wide Temp Ni-MH Cells (Official Spec Data)

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Format	Model No.	Rated Capacity(mAh)	Min Capacity(mAh)	Dia(mm)	Height(mm)	Std Charge(mA/h)	Fast Charge(mA/h)	Weight(g)	Internal Resistance	Max Discharge	Cycle(IEC)	Discharge Temp	Main Application
AAA Wide Temp	WJ-AAA500	500	470	10.5	44.5	50 / 16h	250 / 2.4h	11.0	≤30mΩ	500mA(1C)	≥500	-40℃~85℃	Mini Cold Region Sensors
AAA Wide Temp	WJ-AAA600	600	570	10.5	44.5	60 / 16h	300 / 2.4h	12.0	≤30mΩ	600mA(1C)	≥500	-40℃~85℃	Wireless Field Detectors
AA Wide Temp	WJ H-AA1200	1200	1150	14.5	50.5	120 / 16h	600 / 2.4h	21.5	≤30mΩ	1200mA(1C)	≥500	-40℃~85℃	Outdoor Monitoring Modules
AA Wide Temp	WJ H-AA1300	1300	1250	14.5	50.5	130 / 16h	650 / 2.4h	22.0	≤30mΩ	1300mA(1C)	≥500	-40℃~85℃	Mining & Oilfield Instruments
F Wide Temp	WJ-F13000-P	13000	12500	32.5	90.0	1300 / 16h	2600 / 6.5h	240	≤6mΩ	30A Max	≥800	-40℃~85℃	Off-Grid Solar Storage

Core Advantages Of -40℃~85℃ Ultra Wide Temp Ni-MH Cells

Full Sizes For Extreme Use

AAA / AA / F complete lineup, micro to ultra-large capacity options

Extended Cycle Life

Standard AAA/AA ≥500 cycles; F wide temp model up to 800 cycles

Dual Standard & Fast Charge

0.1C 16h slow charge; 0.3~0.5C fast charge for short lead time

Low Self-Discharge Formula

≥60% capacity retained after 28 days storage at 20℃

-40℃ ~ 85℃ Extreme Discharge

Stable voltage output in freezing cold & high heat harsh sites

Full Extreme Safety Tests

Pass low/high temp, short circuit, vibration & drop certification

Factory Wide Temp Solution Advantages

Extreme Environment Applications

For Mining / Oilfield Instrument Manufacturers

Exclusive wide temp electrode material formula for -40~85℃ stable output
Consistent internal resistance batch sorting, low voltage drop outdoors
Custom long nickel tabs for large series-parallel industrial packs
Complete low/high temp discharge curve test reports attached

For Outdoor Monitoring & Solar Wholesalers

Ultra low self-discharge, fit unattended long standby equipment
3 cell sizes to match small sensor / large energy storage demands
All models unified 1.2V nominal voltage for modular design
Full PPWR,, MSDS, CE, RoHS certification documents

Unified Official Technical Parameters For Wide Temp Series

Nominal Single Cell Voltage: 1.2V
Standard Charge Mode: 0.1C constant current, 16 hours
Fast Charge Mode: AAA/AA 0.5C/2.4h; F cell 0.2C/7h, -ΔV protection required
Discharge Cut-off Voltage: 1.0V per single cell
Self-Discharge Standard: ≥60% residual capacity after 28 days @20℃
Discharge Temperature Range: -40℃ ~ 85℃ (all 5 models)
Storage Temp: ≤30d: -20~55℃ | ≤90d: -20~40℃ | ≤360d: -20~30℃
IEC Cycle Standard: AAA/AA ≥500 cycles; F13000 ≥800 cycles
Safety Pass: Short circuit, vibration, drop, overcharge & over-discharge test
Global Certifications: PPWR,CE, UL, RoHS, REACH, UN38.3, BSCI
Product Warranty: 1 year against material & manufacturing defects

Target Equipment For -40℃~85℃ Wide Temp Ni-MH Cells

Mining Monitoring Sensors Oilfield Field Detectors

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