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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: OptimumNano
  • Model Number: OPT12-20
  • Type: Lthium battery, Lithium Battery 12V 20Ah
  • Nominal Voltage: 12V
  • Size: 182*76*167mm
  • Nominal Capacity: 20AH
  • Dimension: 180*75*165mm
  • Weight: 1/3weight of SLA
  • Cycle life: over 2000 cycles
  • Application: Solar Street Lights/ /LED Light/ Electric scooter/Medical tools
  • Low self-discharging rate: ≤5% per month
  • Certificate: CE, UL, RoHS
  • Wide range temperature adaptability: -20℃~65℃
  • Export market: America, Europe, Aisa, etc
  • warranty: 2 years

Packaging & Delivery

Packaging Details According to the customers' requirements
Delivery Time Shipped in 20 days after payment

Deep Cycle Lithium Battery 12V 20Ah for Solar Street Lights/ /LED Light/ Electric scooter/Medical tools

Deep Cycle Lithium Battery 12V 20Ah for Solar Street Lights/ /LED Light/ Electric scooter/Medical tools

Deep Cycle Lithium Battery 12V 20Ah for Solar Street Lights/ /LED Light/ Electric scooter/Medical tools

Main Data about Lithium  Battery 12V 20Ah :


Lithium Battery 12V 20Ah main data: 





Battery Model

256Wh, Lithium Battery 12V 20Ah 


Cells and connection

32650, 3.2V 5Ah, 4S 4P


Battery Voltage

12.8V (Standard Working Voltage)


Standard Charge Voltage

About 14.6V


Discharge Cut-off Voltage



Battery Capacity



BMS Model

PCM(PCB style BMS)


Charge Current

5A(need 4hours to full charge,can design)


Max Continuous Discharge Current

10A (can design)


Peak Discharge Current

20A (can design)


Whole Battery Size

180*75*165±2mm Plastic Case Packing


Net Weight

 About 3kg




  • Safe: Rigid aluminum alloy housing protection, BMS or PCB built inside to protect the battery over charge or discharge.
  • Environmental-friendly: Accredited with RoHS, without any hazardous and noxious substances.
  • Lighter and smaller: 1/3 weight of lead acid battery, 70% size/weight of Ni-MH/Ni-Cd battery.
  • Powerful: Able to discharge at 20Cat 65°C max.
  • Long cycle life: Over 2000 cycles with capacity staying at minium 80%. Lead battery and other Li-ion batteries only have 300-500 cylces, such as Ni-Cd battery, Ni-MH battery.
  • Wide temperature range: Available for use when the temperature ranges from -20°C to 70°C.
  • Quality assurance: BV and SGS approved supplier, with TS16949 and ISO9001 quality management certificates and UL, CE,IEC62133, RoHS certificates.

Our advantages:

  • Specialized in production of lithium iron phosphate batteries for over 4 years.
  • Providing tailor-made high-standard energy solutions in accordance to client’s demands.
  • With technical of over 2 years in on-site installation and debugging for more than 1000 HEV and EV.
  • Having made and implemented energy solutions for over 100 styles of EV.
  • With rich experience in drawing up and executing new energy solutions such as special energy-storage systems like wind-solar hybrid power generation and UPS for military and hospital.
  • Whole-journey nanny service after sale.


We could design all of the battery packs according to your requirements and provide OEM service. We sincerely welcome you to visit and cooperate with us for a prosperous business future.


♦ Application 




♦Certification and honor



♦ Factory



  ♦ Lithium Battery 12V 20Ah Pictures



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