38V 100AH 19”Standard Cabinet Suited Rechargeable Lithium Ion
(LiFePO 4 ) Battery Pack
The 38V Lithium Ion Battery Pack is mainly working as 38VDC backup
power source, and it consists
of 12 cells of Lithium Iron Phosphate Battery Cells connected in
series and telecom specialized high
performance and high reliability Battery Management System (BMS).
The battery’s +/- output terminals
are connected to the +/- terminals of rectifier. When the mains
supply is normal, telecom equipment is
powered by mains through rectifier and battery pack is also charged
through rectifier; When the mains
supply is outage, the 38V lithium ion battery pack is supplying
power to telecom equipment without any
time-delay to ensure telecom equipment is powered without any
interruptions, until mains supply
resumed or protective power cut-off by BMS due to over-discharge
protection activated automatically.
- Voltage detection and protection function
The Product has the functions of cell and module voltage detection,
over voltage, under voltage alarm
and protection. The cell voltage detection accuracy is less than ±
15mV under normal temperature static
conditions.
- Current detection and protection function
The Product has the functions of charge and discharge current
detection, alarming and protection. The
charging current is shown as a positive current and the discharge
current is shown as a negative current.
The current sampling accuracy is less than ± 2% under normal
temperature conditions.
- Temperature detection and protection function
With the function of cell and environment temperature detection,
when the temperature is too high or too
low the product will start up alarming and protection function. The
temperature sampling accuracy is less
than ±2°C within the operating temperature range. Four battery
temperature detection points and one
ambient temperature detection point (maximum 16 battery temperature
detection points) are supported
by default.
- Short-circuit protection function
With short-circuit protection function, the short circuit delay
time can be set by the host computer. The
short circuit current should be less than 1200A.
- Battery capacity calculation function
Cell algorithm: About the use of soc and soh, soc uses the basic
elements of the Ampere integration and
OCV method. The Ampere integration method and voltage, by the
adjustment of the algorithm, with higher
precision data and Independent clock system, ensures reasonable
display during a single cycle. And the
SOC estimation accuracy is ≤ ± 8%
Product Working Principal
Electrical Specification
| Item | Specification | Remarks |
| Nominal Capacity | 100Ah | Standard discharge (1) capacity after standard charge (2) |
| Nominal Voltage | 3 8.4V | Configuration: 12S2P - VHR 3914895LFP-50Ah. Voltage of single cell
is 3.2V. |
| Charge Voltage | 43.2V | |
| Voltage at End of Discharge | 33.0V | |
| Floating Voltage | 40.0V | |
| Maximum Continuous Charge Current (CC Threshold) | 100A | |
| Over Current Protection for Charge | 105A | N.A. |
| Over Voltage Protection | 3.80V/cell | N.A. |
| Maximum Continuous | 100A | |
| Discharge Current |
| Over Current Protection for Discharge | 105A | N.A. |
| Under Voltage Protection | 2.75V/cell | N.A. |
| Operation Allowable | Charge: 0～60°C | N.A. |
| Temperature Range | Discharge: -20～60°C | N.A. |
| Continuous Discharge Power | 0.76kW | 50%SOC |
| Continuous Charge Power | 0.76kW | N.A. |
| Self-discharge Rate/Month | ≤3% | @ 25 ± 3℃,50%SOC |
| Cycle Life(cycles) | ≥5000 | @ 25 ± 3℃,80%DOD, 0.2C/0.2C |
| Operation Allowable | ≤95% RH | Operation |
| Humidity Range | ≤85% RH | Storage |
| Recommended | 0～40°C | Max. 6 month |
| Storage temperature |
| Weight | About 37kg | N.A. |
| Item | Settable | Detailed Information | Default Setting Value | Remark |
| (Yes or No) |
| Charge Current Limit | No | Limited Charge Current Value | 105A | Acceptability range:105 ± 2A |
| Yes | Method of Charge Current Limit | Overchargeactivates current limit | N.A. |
|
|
| Sleep Voltage | Yes | Sleep Voltage Set Value | 3.30 V | Acceptability range: 3.3 ± 0.02V |
| BMS Power consumption | No | Internal Circuit Power Consumption at Mode 1 – Fan is not activated
or for natural cooling model with heat radiator | ≤ 40 mA | N.A. |
| No | Internal circuitpower consumption during sleep | ≤ 500 uA |
| Charge Balancing | Yes | Balancing Activation Voltage Value | 3.40 V | N.A. |
| Yes | Balancing Activation Voltage Difference Value | 50 mV |
| No | Balancing current | 70 mA |
| Full Charge Setting | Yes | Constant voltage value | 43.2 ± 0.3V | During constant voltage charging, when the overall voltage is
greater than the constant voltage and the current is less than the
constant current value, the BMS will assume that the battery
capacity is fully charged and the charging MOSFET will be cut off. |
| Yes | Constant current value | 5.0A |
| Standby Time | No | Interval days of forced recovery charge after overcharge | 0 | In order to ensure the battery capacity, after the battery
over-voltage protection, the battery will be forced to resume
charging after a fixed time; when the time is configured to 0, this
function does not work. |
| Under-voltage OFF Time | No | Discharge MOS turn-on interval time after undervoltage | 0 | In order to be compatible with the traditional lead-acid charger
charging method, the BMS periodically closes the discharge MOSFET
for about 7.5 seconds after undervoltage protection, so that the
charger detects the battery voltage and turns on the charging. The
interval period of the closed discharge MOSFET can be set. When
configured to 0, this function does not work. |
| Capacity Setting | Yes | Full capacity setting | 100Ah | N.A. |
| Yes | Residual capacity setting | 50Ah |
A) SOC Indication
B) Other LED Indication
| Pack Status | Protect /Alarm /Normal | RUN | ALM | SOC LED | Description |
| ● | ● | ● | ● | ● | ● | —— |
| Power down/Sleep | —— | OFF | OFF | OFF | OFF | OFF | OFF | —— |
| Standby | Normal | Flash 1 | OFF | According to the SOC | —— |
| Charge | Normal | Flash 2 | OFF | According to the SOC | —— |
| Discharge | Normal | ON | OFF | According to the SOC | —— |
| Charge / Discharge / Standby | Protect | According to the state of charge and discharge | Flash 2 | According to the SOC | —— |
| Charge / Discharge / Standby | Alarm | OFF | ON | OFF | —— |
C) LED Flash State
| | Light | Extinguish |
| Flash1 | 0.25S | 3.75S |
| Flash2 | 0.5S | 0.5S |
| Flash3 | 0.5S | 1.5S |
- Please read the user manual carefully before using the lithium
ion battery.
- No human body shall direct contact the positive/negative poles at
the same time if the battery’s voltage exceeds 36V safety
voltage.
- Please read the specific charging device’s user manual carefully
before charging.
- When the battery is not charged after long exposure to the
charger, discontinue charging.
- Please check the positive (+) and negative (-) direction before
connection.
- Battery must be stored in a dry area with low temperature (≤25°C)
environment for long-term storage.
- Do not expose the battery in direct sunlight or heat.
- Do not use the battery in high static energy environment where
the protection device can be damaged.
- When rust or smell is detected on first use, please return the
product to the seller immediately.
- Keep the battery out of reach of children and pets.
- When battery life span shortens after long period of usage,
please exchange to new battery.
- No metal objects (rings, watches, and other metal accessories,
etc.) can be worn during the handling of battery.
- Charge time should not be longer than specified in the manual.
- Do not expose the battery out of the temperature range specified
in the specification.
