Published record

LFP / LiFePO₄Cylindrical

Great Power IFR40135

Name: Great Power IFR40135
Brand: Great Power

Great Power IFR40135: 20Ah, 3.2V LFP cylindrical battery cell. Dimensions Ø40.22 × 137.26 mm, weight 370g, cycle life 1,500 cycles.

Capacity

20Ah

Chemistry

LFP / LiFePO₄

Format

Cylindrical

Weight

370g

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Specification

Engineering parameters

Core fields 4/4 · 0 individually confirmed fields
Coverage counts capacity, voltage, dimensions and weight; it does not certify the model. Missing fields are not zero. Expand each metric to inspect its conditions and evidence.

BrandGreat Power

ModelIFR40135

Form factorCylindrical

ChemistryLFP / LiFePO₄

Nominal capacity20Ah

Nominal voltage3.2V

DimensionsØ40.22 × 137.26 mm

ApplicationRechargeable

Energy (calculated)64 Wh

Gravimetric energy density (calculated)173 Wh/kg

Volumetric energy density (calculated)367 Wh/L

Operating temperature

Charge 0–55 ℃; Discharge -20–60 ℃

Conditions & source

e and Relative humidity Range 工作温度和湿度范围 Charge/充电 0~55°C 60±25%R.H. Charging at low temperature blow 0°C will reduce capacity and cycle life of the battery 低温充电效率会下降,会影响电池使用寿命Discharge/放电 -20~60°C 60±25%R.H.12 Storage temperat

Source version: A0 · Page 4

Source datasheet (access rules apply)

life of the battery 低温充电效率会下降,会影响电池使用寿命Discharge/放电 -20~60°C 60±25%R.H.12 Storage temperature and Relative Humidity Range 长时间储存温度 -20~50°C 60±25%R.H.3.2-3.225V Max.3 months. Must charge every 3 months if store for longer. 不可超过 3

Source version: A0 · Page 4

Source datasheet (access rules apply)

Internal resistance

≤2 mΩ · AC 1000 Hz; 0.5 mΩ · method unspecified

Conditions & source

Internal Impedance of single cell 单电芯内阻 ≤ 2.0mΩ 1kHz

Source version: A0 · Page 4

Source datasheet (access rules apply)

配组标准电压 5mv,容量 0.3Ah,内阻 0.5mΩ

Source version: A0 · Page 4

Source datasheet (access rules apply)

Cell weight

370 g

Conditions & source

4 Weight/重量 370±10g

Source version: A0 · Page 8

Source datasheet (access rules apply)

Cycle life

≥1,500 cycles · EOL 80%

Conditions & source

45 度循环寿命 0.5C CCCV to 3.65V, 0.05C cut off, 0.5C CC to 2.5V, Capacity cycling to 80% of initial capacity 0.5C 恒流恒压充至 3.65V,0.5C 恒流放电至 2.5V,循环至初始容量的 80% ≥1500 cycles 3 -20°C discharge -20°C 放电 At -20°C, 1C discharges to 2.0V 在-20°C条件下,1C 放电至 2.0V Capacity retention ≥60% 容量保持率≥60%

Source version: A0 · Page 5

Source datasheet (access rules apply)

Not provided: Voltage range, Max continuous charge, Max continuous discharge, Max pulse charge, Max pulse discharge.

Source note: Values should be verified against the latest manufacturer datasheet before pack design or procurement approval. Calculated values derive from the nominal figures above and are not manufacturer ratings.

Second source

Similar cells

Same chemistry and format, with nominal capacity within 10%. This is a starting point, not a confirmation that the cells are interchangeable.