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), Lithium Battery Bank Solar Storage LiFePO4 48V 200ah, 12V 50ah Lithium Battery Pack for Home Battery Storage 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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