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12V20Ah LiFePO4 battery

Lithium replacing Lead–Acid series battery has the characteristics of high specific energy, long cycle life, wide working temperature range and good safety performance.It should be applied to energy storage power supply systems such as hydraulic, thermal, wind and solar power stations, uninterruptible power supply for post and telecommunications, and electric construction equipment, electric bicycles, electric motorcycles, electric vehicles, military equipment, aerospace and other fields.
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Product Description

The lead-acid replacement battery maintains the same shape as the traditional lead-acid battery, but uses a high-safety lithium iron phosphate cell to ensure high energy density and a wide temperature range. It offers multiple capacity options at 12V and 24V levels, making it extremely convenient to replace lead-acid batteries. This battery also boasts a high cold-start current, capable of starting even when the residual capacity is as low as 20%.


As lithium-ion batteries offer higher energy density, voltage capacity, and lower self-discharge rates, they are becoming an increasingly popular choice for replacing lead acid batteries. This trend towards lithium-ion replacement is driven by their superior performance and longevity. Fengri provides top-quality lithium-ion replacement batteries for lead acid at competitive prices. Contact us today for more information!


Product Features:


  • Reliable quality: We focus on the various parts of production,from selection of supplier to the production of material to lithium battery cell production to assemble of battery pack, make sure the traceability of the products.

  • Long cycle time: Offers up to 10 times longer cycle life than lead acid battery. Helping to minimize replacement cost and reduce total cost of ownership.

  • Higher power: Delivers twice power of lead acid battery with higher discharge rate. Also can sustain higher charge current and limit the charge time.

  • Lighter weight: About 50% of the weight of a comparable lead acid battery. A drop in replacement for lead acid battery. Wider temperature range :-20℃-60℃

  • Super safety: Lithium battery eliminates the risk of explosion or combustion due to high impact, overcharged or short circuit situation.

  • Environment friendly: Lithium battery material do not have any poisonous and harmful substances both in production and use. Now it is widely accepted by more and more countries.


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Product Specifications:


  • Nominal voltage (V): 12.8

  • Nominal capacity (Ah): 20

  • Rated energy (Wh): 256

  • Maximum charging voltage (V): 14.6

  • Maximum charging current (A): 20

  • Floating charge voltage (V): 13.6 ~ 13.8

  • Maximum continuous discharge current (A): 30

  • Maximum peak discharge current @ 10 sec (A): 60

  • Maximum load power (W): 300

  • Discharge cut-off voltage (V): 10.8

  • Charging temperature (℃): 0 ~ +50

  • Discharge temperature (℃):-20 ~ +60

  • Operating humidity: < 95% R.H (non-condensing)

  • Circulation times (25℃, 0.5 C, 100% DOD): > 2000

  • Cell combination mode: 26800-4S4P

  • Terminal specification: F13 (M5)

  • Protection level: IP65

  • Overall dimensions (mm): 181*77*167

  • Reference weight (kg): 2.1

  • Certification: UN38.3/MSDS


Application of 12.8V Lithium ion Phosphate Battery

  • Caravan

  • Marine

  • Golf Car

  • Buggies

  • Solar Storage

  • Remote Monitoring

  • Switching applications


Model Spec Size Nominal Voltage Capacity Terminal Charging
current Max
Maximum continuous discharge current Peak Current (<10S)
FR-LBR-1206 12.8V6Ah 90*70*107mm 12.8V 6Ah T2 6A 10A 20A
FR-LBR-1210 12.8V10Ah 151*65*100mm 12.8V 10Ah T2 10A 10A 20A
FR-LBR-1212 12.8V12Ah 151*98*101mm 12.8V 12Ah T2 12A 20A 40A
FR-LBR-1218 12.8V18Ah 181*77*167mm 12.8V 18Ah M5 18A 30A 60A
FR-LBR-1220 12.8V20Ah 181*77*167mm 12.8V 20Ah M6 20A 30A 60A
FR-LBR-1236 12.8V36Ah 195*166*170mm 12.8V 36Ah M8 36A 40A 80A
FR-LBR-1250 12.8V50Ah 229*138*213mm 12.8V 50Ah M5 50A 50A 100A
FR-LBR-12100 12.8V100Ah 328*172*215mm 12.8V 100Ah M8 100A 100A 200A
FR-LBR-12150 12.8V150Ah 328*172*215mm 12.8V 150Ah M8 100A 100A 200A
FR-LBR-12200 12.8V200Ah 522*240*218mm 12.8V 200Ah M8 100A 100A 200A
FR-LBR-12400 12.8V400Ah 521*269*220mm 12.8V 400Ah M8 100A 100A 200A


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