Contact us

Phone: (+86-755)28170960

Fax: (+86-755)28117525

Address:1st Floor A1 Building HaoEr Industry Park 2082 JinCheng Road Shajing BaoAn District Shenzhen GuangDong Province,P.R.China

KOREA:alturam co.,ltd

Phone:+82 54-276-6637

Fax:+82 54-276-5520

Adress:

Homepage:www.alturam.com

20Ah/3.2V

Positive electrode:Lithium iron phosphate;Negative electrode:Graphite
  • 20Ah/3.2V With the big picture
  • 20Ah/3.2V With the big picture
Physical and mechanical characteristics

Diameter 38mm

Height 380mm(345mm without terminals)

Weigh approx. 1020g

Volume without terminals 0.43L

Case material Stainless Steel

Chemical characteristics

Positive electrode Lithium iron phosphate

Negative electrode Graphite

Electrical characteristics

Nominal voltage 3.2V

Nominal capacity 20Ah

Minimum capacity 19.5Ah

AC Impedance (1KHz) ≤ 5mΩ

Specific energy at 0.2 C 62Wh/kg

Energy density at 0.2C 145Wh/l

Operating conditions

Recommended charge method 0.2C constant current charge to 3.65V, then

constant voltage 3.65V charge till charge current

decline to ≤ 0.05C

Recommended discharge current 40A(2C)

Maximum discharge curren 100A(3C)

Maximum pulse discharge current (2s) 200A(10C))

Operating temperature - 20 ℃ to + 60 ℃

Recommended charge temperature 0 ℃ to + 40 ℃

Storage and transport temperature - 40 ℃ to + 60 ℃

Cycle life at 20℃ and 100%DOD> 2000 cycles to 80% nominal capacity

1C charge; 1C discharge > 3000 cycles to 60% nominal capacity

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