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S-Tech Forklift Batteries 48V 840Ah
S-Tech Forklift Batteries 48V 840Ah

S-Tech Forklift Batteries 48V 840Ah

 S-Tech Forklift Batteries 48V 840Ah includes the battery core and the controller of battery modules, furnishing power output of low- voltage system for electric vehicles

  • Supply Ability :

    One hundred thousand units per month
  • OEM/ODM :

    Support
  • Country of origin :

    Anhui, China
  • Product dimensions :

    Customizable
  • Product weight :

    Customizable
  • Standard voltage :

    48V
  • Capacity :

    840AH
  • Lead time :

    A week

1.Product Overview

S-Tech Forklift Batteries 48V 840Ah includes the battery core and the controller of battery modules, furnishing power output of low- voltage system for electric vehicles

1.1Product Information

system Version Notes
Battery cell /  EC-AU304-NAH3L0
Battery management system / A555

 

1.2Product Functions

1.21-The battery system is provided with the function of power output providing.

1.22-The battery system is provided with the function of  monomer voltage detection. 

1.23-The battery system is provided with the function of  total voltage detection.

1.24-The battery system is provided with the function of temperature detection. 

1.25-The battery system is provided with the function of current detection. 

1.26-The battery system has a charging and discharging overcurrent protection function.

 

1.3Information on Battery System 

item Unit Specifications Remarks
Rated capacity AH 840AH @ 0.5C ,25C
Configuration - 15S1P -
Oper ating temper ature Charging working temperature 0~55 -
Discharge working temperature -20~55 -
Storage temperature Short term (within 1 month)  -20~45 -
Long term (within 1 year)  0~35 -
Rated voltage V 48 Cell  3.2V
Maximum voltage V 54.75 Cell 3.65V
Minimum voltage V 37.5 Cell 2.5V
Standard capacity KW/H ≥40.32 @ 0.5C ,25C
Weight Kg Customizable -
Maximum discharge current A 840 -
Maximum charging current A 840 -
Continuous discharge current A 420 -
Continuous charging current A 420 -
SOC status of batterysystem before shipmentStandard Charge (@25℃ ) - Constant Current: ≤0.5CConstant Voltage:3.65VEnd Condition(Cut off):≥0.02C -
SOC status of battery system before shipment - SOC 30%±3% -
Self-discharge rate % Max 3 -
Safe reliability - GBT Certificate cell
Insulativity Min 20MΩ/1000VDC @25℃±5℃, RH50%
Cooling mode - Natural(Passive)Convection -
Heating function - Temperature rises by 15degrees in 1 hour. Optional charging and heating
- On: Minimumtemperature ≤5degrees
- Off: Minimumtemperature ≥15 degrees
Working range of SOC % 0~ 100% -
Ingress protection - IP54 -
Cycle life - >3000 @25℃, 0.5Ccharge,1Cdischarge, DOD100%(SOC0~100%)
Remaining capacity at theend of life - EOL 70% Accordingtowarrantyperiod, driving pattern, temp.profile, etc

 

 

2.Assembly

2.1. Mechanical Architecture

Part Name Description Quantity
Discharge interface Customized according to vehicle model 1
Battery switch M16 self-locking switch 1
Communication line Vehicle communication line 1
Hole for hoist - 4
Charging interface Mother's head REMA 320A 1

 

2.2. Mechanical Interface

Basic Dimensions

Name Size
Size of battery system customized
Charging plug wire customized
Discharge plug wire customized
Communication line customized

 

2.3. BMS

Parameters BMS

Item Standard
Over ChargeProtection Over Charge Protection Voltage 3.65±0.01V
Over Charge Release Voltage 3.5±0.01V
Over DischargeProtection Over Discharge Protection Voltage 2.5±0.01V
Over Discharge Release Voltage 3.0±0.01V
Charge OverCurrent Protection Charge Over Current Protection Current 230A±5A
Charge Over Current Protection Delay 3S
Charge Over Current Protection Release 190A
Discharge OverCurrentProtection1 Discharge Over Current Protection Current 350±5A
Discharge Over Current Protection Delay 3S
Over Current Release After 5Srelease
Discharge OverCurrentProtection2 Discharge Over Current Protection Current 450A(typical)
Discharge Over Current Protection Delay 5S
Over Current Release Restart
Short CircuitProtection Short Circuit Protection Current 500A
Release Condition Replace fuse
Charge OverTemperatureProtection Charge High Temperature Protection 60℃
Charge High Temperature Release 55℃
Charge Low Temperature Protection -20℃
Charge Low Temperature Release Optional
Discharge OverTemperatureProtection Discharge High Temperature Protection 60℃
Discharge High Temperature Release Restart
Discharge Low Temperature Protection -20℃
Discharge Low Temperature Release Restart
Heater workingcondition Heater ON when cell temperature in charging 6℃
Heater OFF when cell temperature in charging 15℃
Communication CANBUS 250Kbs

/

In Parallel Not support /

 

2.4. Information on the Power Interface of Battery System

View of discharge connector

Figure 4. Schematic diagram of discharge connector

 

View of charging connector

Figure 5. Schematic diagram of discharge connector

View of low voltage connector

Figure 6. Schematic diagram of low voltage connector

3. Requirements for Packaging

3.1. Schematic Diagram of Packaging

Figure 7. Skematic Daigram of Pakaging

 

3.2 Packing List

Part Name Part Number Product Specification Package Quantity
Battery system A555 840AH 15S3P 1pcs
Harness ofdisplay screen / Plug wire of display screen 1pcs

 

4. Precautions and Prohibitions in the Use of Lithium-ionBattery Module

Before making use of battery modules, please be sure to read the user manual and precautionsfordealing with battery modules.

Improper operation of lithium-ion batteries may result in leakage, heating, smoking, explosionor fire.This may cause performance degradation or failure. Please be sure to operate the batteriesinstrictcompliance with the instructions carefully.

 

4.1. Storage

Time Temperature
Short term (within 1 month) -20~45℃
Long term (within one year) 0~35℃

Store battery modules at room temperature.

Customers are required to finish incoming inspection within one month upon the arrival of goods.

 

4.2. Safety Precautions and Prohibitions

With an attempt to guarantee product safety, please list the following precautions in theinstructionmanual.

 

4.3. Electricity Abuse

4.31-Please make use of a dedicated charger

4.32-Batteries can only be used or charged on special occasions.

4.33-Reverse charging is strictly prohibited.

4.34-The charging current must be controlled at the value prescribed in the specifications of batteries.

4.35-The cut-off voltage for charging is 54.75V(3.65Vx15)

4.36-The charger must have the specifications to stop charging batteries by detecting the specifiedcut-offcurrent.

4.37-The discharge current must be controlled within the specification value prescribed by the product.

4.38-The discharge cut-off voltage must be over 37.5V(2.5Vx15)

 

4.4. Environmental Abuse

4.41-Never put batteries near fire or heat sources.

4.42-Never throw the batteries into the fire.

4.43-Never soak the batteries in water or seawater.

 

4.5. Others

4.501-Never store metal objects such as keys or screwdrivers near batteries.

4.502-Never intentionally short-circuit (+) and (-) terminals with metal objects.

4.503-Never pierce the batteries with sharp objects such as needles or screwdrivers.

4.504-Never heat a part of the batteries with heating objects such as an electric soldering iron.

4.505-Never hit the batteries with heavy objects such as hammers or heavy objects.

4.506-Never step on the batteries or drop the batteries on the hard ground.

4.507-Never disassemble the batteries or modify the design of the batteries, including the circuits.

4.508-Never directly weld anything on the batteries.

4.509-Never make use of badly scarred or deformed batteries.

4.510-Never put batteries in microwave ovens, dryers or high-pressure containers.

4.511-Never disassemble the batteries yourself. 

4.512-Never put the batteries in the water.

4.513-Never expose the batteries to splashing water.

4.514-Never expose the batteries to humid environment.

4.515-Never use the batteries after a fall accident.

4.516-Please be sure to read the operating instructions of the charger before making use of the charger.

4.517-Please be sure to read the user manual of the application before installing and removing batteriesfromthe application.

4.518-Batteries or modules required to be stored for a long time should be removed fromthe applicationandstored in a suitable place at room temperature.

4.519-When charging, using and storing batteries, please keep the batteries away fromstatic objectsandmaterials.

 

4.6. Warning

4.61-In the event that the charging is not finished within the prescribed time, please stop charging.

4.62-If the batteries are abnormally heated, smelly, discolored, deformed or otherwise abnormal inthecourseof use, charging, discharging or storage, please stop making use of the modules.

4.63-When leakage or odor is found, please stay away from fire or heat at once. In the event that liquidleaksto skin or clothes, rinse it off at once with plenty of clean water.

4.64-Never rub your eyes in the event that liquid leaks out of the batteries and enters your eyes.

4.65-Please immediately wash your eyes with plenty of water and seek medical treatment.

4.66-In the case that the terminals of the batteries get dirty, please wipe them with a dry cloth beforemakinguse of the battery modules.

4.67-The batteries can be used within the following temperature range, not beyond the temperaturerangeof -20~55℃.

4.68-Before disposing of the terminals, please cover the terminals of batteries with appropriate insulatingtape.

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