2. Core Dimensions & Appearance Parameters
1. Overall Dimensions: 900*420*250mm (L*W*H)
2. Shell Material: SPCC, default white color, color and LOGO can be customized according to customer requirements
3. Terminal: M8 energy storage terminal for positive and negative poles by default, customizable
4. Matching Cables: 1.0m power cable + 1.5m communication cable by default, no parallel cable, cables can be customized
5. Product Weight: Approx. 120kg (subject to actual weight)
6. Protection Grade: IP20
7. Shipment SOC: Approx. 40%
3. Panel Structure & Interface Definition
|
No.
|
Function Description
|
Silk Screen
|
Remarks
|
|
1
|
Connecting Terminal
|
-
|
Positive Pole Interface
|
|
2
|
Connecting Terminal
|
-
|
Negative Pole Interface
|
|
3
|
Ground Interface
|
GND
|
M4 Specification
|
|
4
|
Reset Button
|
RESET
|
Reset Function
|
|
5
|
DIP Switch
|
ADS
|
-
|
|
6
|
Dry Contact
|
Main connector
|
-
|
|
7
|
RS485 Communication Port
|
RS485
|
General Communication
|
|
8
|
CAN Communication Port
|
CAN
|
General Communication
|
|
9
|
RS232 Communication Port
|
RS232
|
General Communication
|
|
10
|
Parallel Communication Port
|
RS485A/RS485B
|
RS485 for Parallel Use Only
|
|
11
|
Weak Current Switch
|
ON/OFF
|
Main Switch
|
|
12
|
Indicator Light
|
-
|
SOC Display
|
|
13
|
Indicator Light
|
RUN
|
Running Status Indication
|
|
14
|
Indicator Light
|
Alarm
|
Alarm Status Indication
|
|
15
|
Circuit Breaker
|
ON
|
Circuit Breaker Closing
|
|
16
|
Circuit Breaker
|
OFF
|
Circuit Breaker Opening
|
4. Core Battery Technical Specifications (@25℃)
|
Item
|
Technical Parameter
|
|
Nominal Capacity
|
314Ah
|
|
Minimum Capacity
|
314Ah
|
|
Nominal Energy
|
16.076KWh
|
|
Cell Combination Structure
|
16S1P
|
|
Nominal Voltage
|
51.2V
|
|
End of Discharge Voltage
|
43.2V
|
|
Max Standard Charging Voltage
|
MAX 58.4V
|
|
Recommended Charging Current
|
≤60A
|
|
Max Continuous Charging Current
|
200A
|
|
Standard Discharging Current
|
60A
|
|
Recommended Discharging Current
|
≤100A
|
|
Max Continuous Discharging Current
|
200A
|
|
Peak Discharging Current
|
250A@100ms>
|
|
Internal Resistance
|
≤30mΩ
|
|
Working Altitude
|
≤3000 metre
|
|
Working Humidity
|
5%~95%
|
|
Discharging Working Temperature
|
-10°C~60°C
|
|
Charging Working Temperature
|
0°C~45°C
|
|
Product Certification
|
UN38.3, MSDS
|
|
Communication Interface
|
RS-485/RS-232/CAN, Wi-Fi and Bluetooth optional
|
|
Inverter Communication Protocol
|
Full protocol optional
|
5. Electrical Performance Indicators
Test Conditions: 25℃, Humidity 45%~75%
1. Nominal Capacity: ≥314Ah when discharged at 0.2C to cut-off voltage after standard charging
2. Initial Internal Resistance: ≤30mΩ when tested at 1kHz AC under 50% SOC condition
3. Short Circuit Protection: The battery automatically disconnects the load when positive and negative poles are short-circuited with 0.1Ω resistor
4. Discharge Temperature Characteristic: Discharge capacity retention rate ≥70% (-10℃), ≥85% (0℃), ≥100% (25℃), ≥95% (55℃) under different temperature and humidity conditions
5. Normal Temperature Discharge Performance: At 25℃, 0.2C discharge capacity ≥100% of nominal capacity, 1C discharge capacity ≥95% of nominal capacity
6. Capacity Retention Rate: Keep capacity >90% after open-circuit storage for 28 days, recover capacity >95% after standard charging
7. Cycle Life: ≥6000 cycles under DOD80% condition (cycle with 0.5C charge/discharge and 1h standing)
6. BMS Protection Circuit Core Parameters
(Factory Default Parameters, All Customizable)
6.1 Cell Overcharge/Overdischarge Protection
|
Protection Type
|
Alarm Parameter
|
Protection Parameter
|
Delay
|
Release Parameter
|
|
Cell Overcharge
|
3550mV (3.50-3.60V customizable)
|
3650mV (3.60~3.75V customizable)
|
1.0S (0.5~2.0S customizable)
|
Voltage 3400mV (3.4~3.5V customizable); SOC<96% (95%~99% customizable); Discharging current>1A
|
|
Cell Overdischarge
|
2800mV (2.5~3.0V customizable)
|
2700mV (2.3~2.7V customizable)
|
1.0S (0.5~2.0S customizable)
|
Voltage 2950mV (2.5~3.0V customizable); Activated by connecting charger
|
6.2 Total Overcharge/Overdischarge Protection
|
Protection Type
|
Alarm Parameter
|
Protection Parameter
|
Delay
|
Release Parameter
|
|
Total Overcharge
|
56V (55~58V customizable)
|
58.4V (57~58.4V customizable)
|
1.0S (0.5~2.0S customizable)
|
Voltage 54.0V (54~56.0V customizable); SOC<96% (95%~99% customizable); Discharging current>1A
|
|
Total Overdischarge
|
44.8V (44.8~50V customizable)
|
40V (40~47V customizable)
|
1.0S (0.5~2.0S customizable)
|
Voltage 47.2V (43.2~48.0V customizable); Activated by connecting charger
|
6.3 Overcurrent/Short Circuit Protection
|
Protection Type
|
Alarm Parameter
|
Protection Parameter
|
Delay
|
Release Parameter
|
Remarks
|
|
Charging Overcurrent
|
205A (200~205A customizable)
|
210A (210~220A customizable)
|
1.0S (0.5~2.0S customizable)
|
Automatically released after 1min; Discharging current>1A
|
Locked after 10 consecutive occurrences, no automatic release
|
|
Discharging Overcurrent 1
|
205A (201~205A customizable)
|
210A (210~220A customizable)
|
1.0S (0.5~2.0S customizable)
|
Automatically released after 1min; Charging current>1A
|
Locked after 10 consecutive occurrences, no automatic release
|
|
Discharging Overcurrent 2
|
-
|
≥250A (220~250A customizable)
|
100mS (50~500mS customizable)
|
Automatically released after 1min; Charging current>1A
|
Locked after 10 consecutive occurrences, no automatic release
|
|
Short Circuit Protection
|
-
|
≥350A
|
≤300uS
|
Released by connecting charger
|
-
|
7. Product Usage Specifications
1. Single battery can be used directly;
2. For parallel use, each battery must be fully charged according to the standard charging method before parallel connection;
3. The maximum number of parallel batteries shall not exceed 15;
4. Standard Charging Method: Charge in CC(0.2C)CV(58.4V) mode until the current drops to 0.02C, then stand for 1h;
5. Use matching or special charging equipment for lithium batteries for charging.
8. Transportation & Storage Requirements
8.1 Storage Requirements
1. Keep SOC at 30%~50% for long-term storage, high SOC storage will accelerate capacity attenuation;
2. Storage Environment Requirements:
- ≤1 Month: -10~+60°C, 5~75%RH;
- ≤6 Months: -5~+45°C, 5~75%RH;
- Recommended Environment: 15~+35°C, 5~75%RH;
3. Idle batteries need to complete one charge-discharge cycle every 6 months.
8.2 Transportation Requirements
1. No falling or impact during loading and unloading;
2. No more than 5 layers of stacking, no overturning, keep the battery face up.
9. Safety Warnings & Precautions
9.1 Core Warnings
1. Keep the battery away from heat sources and high-voltage areas, avoid long-term exposure to sunlight;
2. Do not throw the battery into water or fire, and do not short-circuit the positive and negative poles with metal;
3. Do not reverse the positive and negative poles during wiring;
4. Avoid severe vibration and impact to the battery, do not hit, drop or step on the battery;
5. Do not disassemble or assemble the battery without manufacturer's permission and guidance;
6. Do not mix with batteries of other manufacturers, types and models.
9.2 Usage Precautions
1. Use or storage in high temperature environment will cause battery heating, fire or service life reduction;
2. Charge the battery in time (within 15 days) after discharging to the cut-off voltage;
3. Stop using immediately if the battery has abnormal conditions such as peculiar smell, discoloration, abnormal noise, leakage or severe deformation;
4. If electrolyte leaks and splashes into skin/eyes, rinse with clean water immediately and seek medical attention;
5. Keep the battery out of the reach of children and pets;
6. The manufacturer shall not be liable for any battery damage or accidents caused by non-compliance with this specification.
