HengChuang
Professional Lithium Battery Manufacturer
18650 battery cell(the diameter is 18 mm,the length is 65 mm, and “0” represents a cylindrical battery cell) The battery cell we use can be divided into lithium-ion battery cell and LiFePO4 battery cell. The nominal voltage of lithium-ion battery cell is 3.7v and the charge cut-off voltage is 4.2V.
For LiFePO4 battery cell ,the nominal voltage is 3.2V and the discharge cut-off voltage is 3.6V.
18650 Lithium ion battery cell:We have China-made cell (2000mag-2600mah)Samsung cell(2200mah-3500mah) Panasonic cell(2600mah-3500mah) and LG cell(2600mah-3500mah). Its advantages are:
Environmental friendly
High density of energy
Light weight
Low self-discharge
Low internal resistance
Long cycle life
No memory effect
In addition to the 18650type battery cell, we also have 26650and 21700 types. You can tell us the capacity and type of battery cell you want.
InquiryType | 18650 Lithium-ion | |||||
Band of cell | Band of cell | Samsung | Panasonic | LG | ||
Diameter | 18.3mm±0.1mm | |||||
Height | 65.2mm±0.1mm | |||||
Nominal Voltage | 3.6V±1V | |||||
Nominal Capacity | 2000mAh | 2200mAh | 2600 mAh | 2900mAh | 3200mAh | 3500mAh |
Over Discharge Protection | 2.75V±0.05V | |||||
Over Charge Protection | 4.20V±0.05V | |||||
Internal Resistance | ≤35Ω | |||||
Weight | 44g | |||||
Low Temperature | -10℃≥70% | |||||
High Temperature | +60℃≥100% | |||||
Cycle Life | After 500 times≥60% | |||||
Storage Environment | 25℃±2℃,in cool and wind area |
This battery pack has 65 cells, 13S5P, 48v 17.5Ah, using Samsung 3500mAh cells. The discharge rate of this cell is 3C. After this battery pack is ready, it will be into the silver fish battery case, then it becomes silver fish battery, the pictures as below. If using other different cells for the same shape battery pack, the capacity will be also different. For example, if 2200mAh cells, the capacity is 48v 11Ah, if 2600mAh cells, it will be 48v 13Ah, if 3200mAh cells, it is 48v 16Ah.
This kind of battery pack will be into Dorado case, it is used on the electric bike. There are 50 cells, 10S5P, 36v10Ah. The cells are Chinese cell 2000mAh, the discharge rate is also 3C. If using 2200mAh cells, the capacity is 36v 11Ah, if 2600mAh, it is 36v 13Ah, if 3200mAh, it will be 36v 16Ah, if 3500mAhcells, it is 36v 17.5Ah.
This battery pack is for Hailong battery. It has 65 cells, 13S5P, 48v17.5Ah, using Samsung 3500mAh cells. After into the case, it can be assembled on the ebike, if the motor is 350W, the speed reaches to 32KM/H, then with this battery the range can be about 76KM.
This battery has only two cells, 2S1P,7.4V 2.5Ah, Chinese 2500mAh cells. It will operate the small circuit in appliance, pictures as below. The 2 pin connector of the battery pack connects with the small circuit, then it can work. If charging for the battery, connect the charger with the small circuit. If without connecting with the battery pack, just connect the charger, the small circuit also can work.