Gold Member Since 2009
Audited Supplier
OptimumNano Energy Co., Ltd.

UPS Battery Pack, Solar Power Battery Packs, Energy Storage Battery Packs manufacturer / supplier in China, offering LiFePO4 12V40ah Replace for Lead Acid Battery (LFP1250), Wo-Power Box Rechargeable 7.2kwh Powerwall Energy Storage System, Wo-Power Box 7.2kwh Scalable Core Battery Energy Storage System Ess and so on.

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Supplier Homepage Product LiFePO4 for Transportation (EV,HEV,e-bike,e-boat,etc) LiFePO4 12V40ah Replace for Lead Acid Battery (LFP1250)

LiFePO4 12V40ah Replace for Lead Acid Battery (LFP1250)

Purchase Qty.:
1-99,999 100,000+
FOB Unit Price: US $10,000 US $1
Purchase Qty. (Pieces) FOB Unit Price
1-99,999 US $10,000
100,000+ US $1
Get Latest Price
Production Capacity: 1000packs/Week
Transport Package: Customised Package,Lead Acid Plastic Case,
Payment Terms: T/T, Western Union, Western Union

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Basic Info
  • Model NO.: opt-1240a
  • Usage: Car, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat
  • Discharge Rate: High Discharge Rate
  • Electrolyte: LiFePO4
  • Rechargeable: Chargeable
  • Operating Temperature: -20 to 60 Degrees
  • Weight: 5.8kg
  • Energy / Volume: 310wh / L
  • Cycle Life: at Least 2000 Times At100%Dod
  • Safety Performance: Cc-CV Wise Charging Method with B
  • Specification: 12V40Ah
  • HS Code: 85078020
  • Type: Lithium-Ion Batteries
  • Nominal Voltage: 12V
  • Shape: Cylindrical Battery
  • Installation: Packaged
  • Norminal Capacity: 40ah
  • Normal Discharge and Charge Rate: 0.2c
  • Energy / Weight: 120wh/Kg
  • Wide Working Temperature: -20-60 Centigrade
  • Delivery Time: Within 25 Working Days
  • Trademark: optimum
  • Origin: China
Product Description
12v 40ah back up system battery

Key parameters:

Normal voltage: 12V
Normal capacity: 40Ah
Maximum charge voltage: 14.6V
Cut off voltage: 10V
Standard continuous discharge current: 1C
Max continuous discharge current: 2.5C
Peak discharge current: 5C
Standard charge time: About 5 hours

Lifepo4 performance:
Safe, never explode & burnt, 2000 times at 100%DOD, low self-discharge rate, big discharge current,
High energy density rate, no memory effect, low cost, small &light ect, with UL, ROHS, TS16949, ISO9001, ISO1400 ect certificates, pase UN38.8 test,
NO.ItemGeneral parameter
1Model OPT-012040
2Case material ABS case or customized
3Standard capacity(0.2C) 40Ah
4Minimum capacity(1.0C) 39Ah
5Rated voltage 12V
6Max.Charge voltage 12V
7Cut-off voltage 10V
8Recommend charge current <20A
9Max charge current 40A
11Recommend discharge rurrent <40A
12Pulse discharge current 75A
13Battery dimesion customized
14Weight(Approx,including case)12 kg
15Impedance (Max,at 1000Hz.) ≤20mΩ
 Charge method

  ( CC/CV)
 StandardCC0.2C14.6V cut off
CV14.6V0.05C cut off
 RapidCC1C15.2V cut off
CV15.2V0.05C cut off
17 Operate temperatureCharge  0°c~45°c
 discharge -20°c~60°c

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Ms. Jessica Gong
Export Sales engineer
To: Ms. Jessica Gong

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