7.4V Li-ion battery packs

7.4V Li-ion battery means the lithium ion battery with final nominal voltage 7.4V,it can be 2 cells or multiple groups of cells paralled in series, for example,Two 18650 2200mAh cells can be made into a li ion battery 7.4v 2200mAh,Four 18650 cells can be made into a 7.4v 4400mAh li ion battery pack, So in this way, the flexible assemblies makes it available for customers to choose different capacity options.Padre 7.4V series li-ion batteries includes:

7.4V 2200mAh,7.4V 2600mAh,7.4V 3000mAh,7.4V 3200mAh,7.4V 3400mAh,

7.4V 5200mAh,7.4V 6000mAh,7.4V 6400mAh,7.4V 4400mAh,7.4V 6600mAh,

7.4V 8800mAh,7.4V 11000mAh,7.4V 4500mAh,7.4V 5000mAh,7.4V 10000mAh,

Above mentioned packs are just regular ones,new format packs are also available, different specs PCM(protection circiut board),cables,connectors,NTC are available for choosing.

2S 7.4V li-ion battery packs

7.4V li-ion battery 2S packs main assembly types:

  1. 2S1P Li-ion battery pack- 2 pcs  3.7V cells in series to make it 7.4V, 2 cells and a 2S PCM(protection circiut) are used.
  2. 2S2P Li-ion battery pack- 2 pcs  3.7V  cells paralled and 2 groups of it in series makes 7.4V , total 4 pcs cells and  a 2S PCM(protection circiut) are used.
  3. 2S3P Li-ion battery pack- 3 pcs  3.7V cells paralled and 2 groups of it in series makes 7.4V , total 6 pcs cells and  a 2S PCM(protection circiut) are used.
  4. 2S4P Li-ion battery pack- 4 pcs  3.7V cells paralled and 2 groups of it in series makes 7.4V , total 8 pcs cells and  a 2S PCM(protection circiut) are used.
  5. 2S5P Li-ion battery pack- 5 pcs  3.7V cells paralled and 2 groups of it in series makes 7.4V , total 10 pcs cells and  a 2S PCM(protection circiut) are used.
  6. 2S6P Li-ion battery pack- 6 pcs  3.7V cells paralled and 2 groups of it in series makes 7.4V , total 12 pcs cells and  a 2S PCM(protection circiut) are used.

Remark: We can use different cells,PCM,cables,connectors,NTC to do custom assemblies,new functions and parts can also be developed if neccessary.          About battery cells selections: We can use all suitable models 14500,14650,17500,18500,18650,22650,26650,32650 and so on, Sanyo,LG,Panasonic,Samsung  or PD cells are available,besides,LiFePO4 cells are also available for choosing.

Specs descriptions:

  • Nominal voltage: 7.4V
  • Nominal capacity: 500mAh~30000mAh.
  • Discharge cut off voltage: 6.0V or 5.5V
  • Charge voltage:8.4V
  • Charge cut off voltage: 8.4V.
  • Dimensions: subject to which cell and which assembly and customer requirements.
  • Weight: same as above, please check with sales.
  • Continuous discharge rate: we have different types:1C~2C, 3C,5C,10C,15C,20C.
  • Cycle life: 500 times.
  • Storage temperature: -20~60C; Discharge temperature:-20~60C,Charge temperature:0~45C.

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You can let us know your details of requirements, such as the voltage,capacity, battery dimension, continuous discharge current,cables, connector, we will evaluate and get back to you with battery solutions as soon as possible.

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