48V 12ah 10s4p Lithium Battery Pack, 750W Electric Bike Battery

48V 12Ah 10S4P lithium battery pack, 750w electric bike batteryExternal DimensionAppearance size:390*150*55mmProduct features:Shelf type aluminum shell length can be self integral controller boxRecommended to install the electric core number:18650 52PCS 1.Instruction of the Battery Pack Structure(1)B

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48V 12Ah 10S4P lithium battery pack, 750w electric bike battery

External Dimension
Appearance size:390*150*55mm
Product features:Shelf type aluminum shell length can be self integral controller box
Recommended to install the electric core number:18650 52PCS
 
1.Instruction of the Battery Pack Structure
(1)Battery modules
52 cells, 4 parallel and 13 serial to make a battery module.
(2)Protective board
The protective board, provides protection against overcharge, and short circuit, through monitoring
single string of cells. Also it enables every battery pack to obtain independent balancing function
(3)Charge/discharge standards for cell
 Cell adopted:  ICR3.7V2200mAh-2900mAh 
 Constant charge current: 0.2 C5A -1 C3A is the best. cell max voltage<4.3V.
 Constant discharge current: single cell min voltage> 2.75V
 Rapid charge capability: Max. charge current1C3A;temperature increase falls within 15°C is
normal while over 15°C will affect the cycle life of cell.
2.Storage and Transportation
(1)Based on the characters of cells, proper environment for transportation of battery pack need to be created to protect the battery.
(2)During transportation,50% SOC must be kept to ensure that short circuit, appearance of liquid in the battery or immersion of battery in liquid never occur.
(3)Battery should be kept at -20ºC~45ºC in warehouse where it is dry, clean and well-ventilated.
(4)During loading of battery, attention must be paid against dropping, turning over and serious 
stacking.
 
3. Warnings and Tips
In order to prevent the battery leaking, getting hot and exploding, please pay attention to preventing
measure as following:
 Never throw the battery into water, keep it under dry, shady and cool circumstance when not use.
 Never upside down the positive and negative.
 Never connect the positive and negative of battery with metal.
 Never ship or store the battery together with metal
 Never knock, throw or trample the battery.
 Never cut through the battery with nail or other edge tool.
 Never use or keep the battery under the high temperature. Otherwise it will cause battery heat, get into fire or lose some function and reduce the life. The proposed temperature for long-term storage is 10-45ºC.

NO
ItemGeneral ParameterRemark
1ModelBBG-007
2Standard capacity(0.5C)12Ah
3Rated voltage48V
4Max. charge voltage54.6VSingle Ave. charge Voltage: 4.2V
5
Over charge protection
 
Over charge detection voltage4.40±0.025V
Over charge release voltage4.3±0.025V
6Standard charge current2A0.2C
7Charging timeAbout 300 minutesX C
8Discharge cut-off voltage36VSingle Ave. Discharge Voltage: 2.75V
9
Over discharge Protection
 
Over discharge detection voltage2.5±0.05V
Over discharge release voltage2.75±0.05V
10Max. continuous discharge current18A(adjustable)1.5C
11Peak discharge current30A(adjustable)4.5C
12Short circuit protectionDetetion delay timeXXμsRelease conditionCut-off load
12Battery dimension390*150*55mm
13Total weight(Approx.)About 3.5kg
14Operation temperatureStandard0~45
Discharge-20~65
Storage-20~65

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