Published record
Cylindrical form-factor illustration, not a photograph of DFD LFR46140WP1
Form-factor illustration · not a model photograph
LFP / LiFePO₄Cylindrical

DFD LFR46140WP1

DFD LFR46140WP1: 20Ah, 3.19V LFP cylindrical battery cell. Dimensions Ø46.9 × 142.3 mm, weight 495g, cycle life 4,000 cycles.

Capacity

20Ah

Chemistry

LFP / LiFePO₄

Format

Cylindrical

Weight

495g

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.

BrandDFD
ModelLFR46140WP1
Form factorCylindrical
ChemistryLFP / LiFePO₄
Nominal capacity20Ah
Nominal voltage3.19V
Voltage range2.5–3.65 V
DimensionsØ46.9 × 142.3 mm
ApplicationRechargeable
Energy (calculated)63.8 Wh
Gravimetric energy density (calculated)129 Wh/kg
Volumetric energy density (calculated)260 Wh/L
Max continuous charge
≤100 A
Conditions & source

由规格书额定容量 20 Ah × 原文 5C 换算。 最大持续充电电流 Max. Continuous Charge Current 5C 25~35°C,Max.40%SOC

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Original excerpt

最大持续充电电流 Max. Continuous Charge Current 5C 25~35°C,Max.40%SOC

Source datasheet (access rules apply)
Max continuous discharge
≤120 A
Conditions & source

由规格书额定容量 20 Ah × 原文 6C 换算。 最大持续放电电流 Max. Discharge Current (Continuous) 6C 25°C

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最大持续放电电流 Max. Discharge Current (Continuous) 6C 25°C

Source datasheet (access rules apply)
Max pulse charge
240 A / 10 s
Conditions & source

由规格书额定容量 20 Ah × 原文 12C 换算。 最大脉冲充电电流 Maximum Pulse Charging Current 12C 30%SOC@25°C @10s

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最大脉冲充电电流 Maximum Pulse Charging Current 12C 30%SOC@25°C @10s

Source datasheet (access rules apply)
Max pulse discharge
500 A / 10 s
Conditions & source

由规格书额定容量 20 Ah × 原文 25C 换算。 最大脉冲放电电流 Maximum Pulse Discharging Current 25C 50%SOC@25°C @10s

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Original excerpt

最大脉冲放电电流 Maximum Pulse Discharging Current 25C 50%SOC@25°C @10s

Source datasheet (access rules apply)
Operating temperature
Charge ?–60 ℃; Discharge -40–60 ℃
Conditions & source

工作温度及绝对温度的充电上限均60℃;下限-30℃与-20℃口径不一致,保留为空。

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多氟多新能源科技有限公司 Do-Fluoride New Energy Technology Co., Ltd. 版本:V1.1 生效日期:2025.5.16 LFR46140 第7页共20 页 5. 产品规格 Specification 5.1 技术参数 Technical Parameters No. 项目 Item 规格要求 Specification Requirements 5.1.1 额定容量 Nominal Capacity ≥20.0Ah @1C ,25℃ 5.1.2 标称电压 Standard Voltage 3.190V @1C ,25℃ 5.1.3 标准充电 Standard Charge 1C CCCV to 3.65V, Cut off 0.05C 5.1.4 标准放电 Standard Discharge 1C CC to 2.5V 5.1.5 充电截止电压 Charging Cut-off Voltage 3.65V 5.1.6 放电截止电压 Discharging Cut-off Voltage 2.5V(T>0℃) 2.0V(T≤0℃) 5.1.7 电芯内阻(20%SOC@25℃) Internal Resistance ACR: ≤0.7mΩ DCR: ≤3mΩ @ 3C&10s 5.1.8 电芯重量 Weight 495±10g(含膜) 5.1.9 能量密度 Energy Density ≥128Wh/kg,≥265Wh/L RT@1C Discharge 5.1.10 月自放电 Residual capacity ≤3.0% 25℃,新电池 3 个月后 Fresh after 3month 5.1.11 工作环境温度 Operating Temperature 充电 Charge:-30℃~ 60℃ 放电 Discharge:-40℃~60℃ 5.1.12 储存环境要求 Storage Requirements 温度 Temperature:-40℃~ 60℃ 无凝露, No condensation 湿度 Humidity:≤75%RH

Source datasheet (access rules apply)

工作放电范围-40~60℃且绝对范围一致;5.3.5测试编号、-18℃脉冲工况不作范围上下限。

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Original excerpt

多氟多新能源科技有限公司 Do-Fluoride New Energy Technology Co., Ltd. 版本:V1.1 生效日期:2025.5.16 LFR46140 第7页共20 页 5. 产品规格 Specification 5.1 技术参数 Technical Parameters No. 项目 Item 规格要求 Specification Requirements 5.1.1 额定容量 Nominal Capacity ≥20.0Ah @1C ,25℃ 5.1.2 标称电压 Standard Voltage 3.190V @1C ,25℃ 5.1.3 标准充电 Standard Charge 1C CCCV to 3.65V, Cut off 0.05C 5.1.4 标准放电 Standard Discharge 1C CC to 2.5V 5.1.5 充电截止电压 Charging Cut-off Voltage 3.65V 5.1.6 放电截止电压 Discharging Cut-off Voltage 2.5V(T>0℃) 2.0V(T≤0℃) 5.1.7 电芯内阻(20%SOC@25℃) Internal Resistance ACR: ≤0.7mΩ DCR: ≤3mΩ @ 3C&10s 5.1.8 电芯重量 Weight 495±10g(含膜) 5.1.9 能量密度 Energy Density ≥128Wh/kg,≥265Wh/L RT@1C Discharge 5.1.10 月自放电 Residual capacity ≤3.0% 25℃,新电池 3 个月后 Fresh after 3month 5.1.11 工作环境温度 Operating Temperature 充电 Charge:-30℃~ 60℃ 放电 Discharge:-40℃~60℃ 5.1.12 储存环境要求 Storage Requirements 温度 Temperature:-40℃~ 60℃ 无凝露, No condensation 湿度 Humidity:≤75%RH

Source datasheet (access rules apply)
Internal resistance
≤0.7 mΩ · AC; ≤3 mΩ · DC
Conditions & source

ACR: ≤0.7mΩ DCR: ≤3mΩ @ 3C&10s

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Source datasheet (access rules apply)

DCR: ≤3mΩ @ 3C&10s

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Source datasheet (access rules apply)
Cell weight
495 g
Conditions & source

5.1.8 电芯重量 Weight 495±10g(含膜)

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Source datasheet (access rules apply)
Cycle life
≥4,000 cycles · EOL 70%
Conditions & source

25±2℃常温循环:1C阶梯充至3.65V,1C放电至2.5V,各静置30min,容量至额定70%;45℃1500次为不同80%EOL工况,未合并。

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多氟多新能源科技有限公司 Do-Fluoride New Energy Technology Co., Ltd. 版本:V1.1 生效日期:2025.5.16 LFR46140 第11页共20 页 6.1 室温循环 Cycle Life 在 25℃±2℃环境下,用 1.0C 阶梯充电至 3.65V,搁置 30 分钟,再用 1.0C 电流放电 至 2.5V;又搁置 30 分钟,重复以上步 骤,直到放电容量是额定容量的 70%。 At 25℃±2℃, Step charge the cell with 1.0C to 3.65V, rest for 30min, then discharged at a current rate of 1.0C to 2.5V ,rest for 30min.Repeat the above steps until the discharging capacity lower than 70% of the rated capacity of the cells. ≥4000Cycles 6.2 室温循环 Cycle Life 在 25℃±2℃环境下,用 3C 阶梯充电至 3.65V,搁置 60 分钟,再用 3C 电流放电至 2.5V;又搁置 60 分钟,重复以上步骤,直 到放电容量是额定容量的 70%。 The ambient temperature is RT , Step charge the cell with 3C to 3.65V ,rest 60min, then discharged at a current rate of 3C to 2.5V ,rest 60min.Repeat above steps until discharging capacity lower than 70% of the rated capacity of the cells. ≥4000Cycles 6.3 高温循环 Cycle Life 在 45℃±2℃环境下,用 1C 恒流充电至 3.65V,再以 3.65V 恒压充电至电流 0.05C,搁置 30 分钟,再用 1C 电流放电至 2.5V;又搁置 30 分钟,重复以上步骤,直 到放电容量是额定容量的 80%。 At 45℃±2℃ , Charge the cell with 1C to 3.65V, then charge at constant voltage until the current drops to 0.05C ,rest 30min, then discharged at a current rate of 1C to 2.5V ,rest 30min.Repeat above steps until discharging capacity lower than 80% of the rated capacity of the cells. ≥1500Cycles 6.4 高低温放电 Discharge Capacity under Different Temperature -40℃容量保持率 -40℃ Retention Ratio 在 25℃±2℃下,标准充电方式充满,然后 在目标温度下搁置一定时间(10℃以上不 低于 4h,10℃以下不低于 8h),以 1C 放 电至 2.5V(0℃及以下温度放电至 2.0V)。 ≥65% -30℃容量保持率 -30℃ Retention Ratio ≥75% -20℃容量保持率 ≥85%

Source datasheet (access rules apply)

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

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

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