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Ultra-Low Self-Discharge Ni-MH Batteries

Catalog: Nickel-Metal Hydride
Model: BPI AA

Engineered for extreme cold (-40℃) with 46% discharge efficiency. Low internal resistance (16.6mΩ) and high discharge platform. Ideal for polar expeditions, deep-sea diving, and harsh outdoor use. 20% longer cycle life, passes 150℃ safety tests. Customizable capacity, military-grade reliability, globally insured.

  • Stable discharge at -40℃

  • Military-grade explosion-proof safety design

  • Low internal resistance (16.6mΩ, multi-tab process)

  • Discharge plateau 15mV higher than standard batteries

  • Long cycle life

  • Wide temperature adaptability (-40℃ to 55℃)

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Features & Description

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Specifications

BPI Low-Temperature Ni-MH Batteries deliver exceptional performance in extreme conditions, operating efficiently across -40℃ to 55℃. They achieve 46% efficiency at -40℃, 75% at -30℃, and 76% at 55℃, surpassing standard batteries. The multi-tab design reduces internal resistance by 7-8mΩ, enhances discharge platform by 15mV, and supports 7C high-rate discharge with 20% extended 1C cycle life (60-70 cycles). Rigorous safety tests (150℃ heat and short-circuit) and patented anti-explosion technology ensure reliability.

  • Stable discharge at -40℃
  • Military-grade explosion-proof safety design
  • Low internal resistance (16.6mΩ, multi-tab process)
  • Discharge plateau 15mV higher than standard batteries
  • Long cycle life
  • Wide temperature adaptability (-40℃ to 55℃)
  • Low self-discharge rate
  • Premium materials from Cologne/Kordburg
  • Maintenance-free design
  • Overcharge/over-discharge resistance
  • Rapid charging capability
  • Eco-compliance (REACH/RoHS certified)

Application Areas: specialized robots, specialized UAVs, polar scientific expeditions, cold zone rescue, specialized equipment, outdoor sports, diving equipment

Model Nominal Voltage (V) Weight (g) Shipping Internal Resistance (mΩ) Total Height (mm) Diameter (mm) IEC life (times)
28AAA400EH 1.2 7.0 ≤48.0 28.2±0.3 ￠10.00±0.1 1000
43/44AAA500EH 1.2 10.0 ≤38.0 42.5±0.3(Flat-Top)

/44.0±0.3(Button-Top)

 ￠10.00±0.1 1000
43/44AAA600EH 1.2 11.0 ≤35.0 42.5±0.3(Flat-Top)

44.0±0.3(Button-Top)

 ￠10.00±0.1 1000
43/44AAA700EH 1.2 11.5 ≤35.0 42.5±0.3(Flat-Top)

44.0±0.3(Button-Top)

 ￠10.00±0.1 1000
43/44AAA800EH 1.2 12.0 ≤35.0 43.4±0.3(Flat-Top)

44.15±0.3(Button-Top)

 ￠10.24±0.1 1000
43/44AAA900EH 1.2 12.5 ≤35.0 43.4±0.3(Flat-Top)

44.15±0.3(Button-Top)

 ￠10.24±0.1 1000
43/44AAA950EH 1.2 12.8 ≤38.0 43.4±0.3(Flat-Top)

44.15±0.3(Button-Top)

 ￠10.24±0.1 1000
43/44AAA1000EH 1.2 13.0 ≤40.0 43.4±0.3(Flat-Top)

44.15±0.3(Button-Top)

 ￠10.24±0.1 1000
50AAA850EH 1.2 13.2 ≤32.0 49.5±0.3 ￠10.00±0.1 1000
48/50AA500EH 1.2 12.8 ≤45.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA600EH 1.2 13.5 ≤40.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA700EH 1.2 15.0 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA800EH 1.2 16.0 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA900EH 1.2 17.5 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA1000EH 1.2 19.0 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA1100EH 1.2 19.5 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA1200EH 1.2 20.5 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA1300EH 1.2 21.0 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA1400EH 1.2 22.5 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA1500EH 1.2 23.0 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA1600EH 1.2 24.0 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
48/50AA1700EH 1.2 24.5 ≤35.0 48.1±0.3(Flat-Top)

49.85±0.3(Button-Top)

 ￠13.90±0.1 1000
49/50AA1800EH 1.2 26.0 ≤35.0 49.4±0.3(Flat-Top)

/50.10±0.3(Button-Top)

 ￠14.10±0.1 1000
49/50AA1900EH 1.2 26.5 ≤35.0 49.4±0.3(Flat-Top)

/50.10±0.3(Button-Top)

 ￠14.10±0.1 1000
49/50AA2000EH 1.2 26.5 ≤32.0 49.4±0.3(Flat-Top)

/50.10±0.3(Button-Top)

 ￠14.10±0.1 1000
49/50AA2100EH 1.2 27.5 ≤32.0 49.4±0.3(Flat-Top)

/50.10±0.3(Button-Top)

 ￠14.20±0.1 1000
49/50AA2200EH 1.2 28.0 ≤32.0 49.4±0.3(Flat-Top)

/50.10±0.3(Button-Top)

 ￠14.20±0.1 1000
49/50AA2300EH 1.2 28.5 ≤32.0 49.4±0.3(Flat-Top)

/50.10±0.3(Button-Top)

 ￠14.20±0.1 1000
49/50AA2400EH 1.2 29.0 ≤35.0 49.4±0.3(Flat-Top)

/50.10±0.3(Button-Top)

 ￠14.20±0.1 1000
49/50AA2500EH 1.2 29.5 ≤35.0 49.4±0.3(Flat-Top)

/50.10±0.3(Button-Top)

 ￠14.20±0.1 1000
50AA2600EH 1.2 30.0 ≤35.0 50.15±0.3(Button-Top) ￠14.20±0.1 1000

 

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