Tewaycell
START GREEN ENERGY WITH
Shenzhen Topway New Energy Co.,Ltd
CORPORATE BROCHURE
Shenzhen Topway New Energy is a focus on new energy battery research and development, production and sales as one of the high-tech enterprises.
Company Profile
Shenzhen Topway New Energy Co., Ltd was founded in 2013, specializing in manufacturing and design of lithium battery packs for Green Energy Storage Systems. Services include customized battery products, design, development, cell selection, BMS, charger, and after-sale service.
Main products: OEM&ODM 12V/24V/36V/48V LiFePO4 Battery Packs, Wall-mounted ESS, All-in-one Mobile ESS, Mobile ESS, Stack'd ESS, Inverters, Photovoltaic solar panels, Transformers, and solar street light controllers. Applications include home energy storage, RV energy, UPS, Tower Base Stations, and solar energy storage systems.
Products exported to over 100 countries. Overseas warehouses in Germany, Poland, and the United States. Offers grade A battery quality, fast delivery, and stable DDP transportation.
Roller Type Mobile ESS Battery
Model Numbers: TW-MB51300-200A-HWB, TW-MB51200-200A-HWB, TW-MB48300-100A-HWB, TW-MB51300-100A-HWB, TW-MB51200-100A-HWB, TW-MB48200-100A-HWB.
Key Features:
- Lithium iron phosphate cell technology: high safety, 80% DOD charge/discharge, >6000 cycles.
- Integrated analog front end, isolated power circuit.
- Integrated serial port IC: high voltage accuracy (≤20mV), high current accuracy (≤2%@FS).
- 4-channel battery temperature detection (≤2°C), SOC/SOH estimation.
- Short-circuit protection, adjustable overcurrent protection, multiple sleep/wake modes, low power consumption.
- Dual RS485 communication: parameter adjustable settings, buzzer alarm, LED status, charge balance.
- Temperature range: -20°C to 60°C.
- Supports parallel connection (up to 15 groups); serial connection not recommended.
Applications:
- Standby power supply
- Household energy storage
- Solar and wind energy systems
Product Dimensions:
| Model | Size (L*W*H) |
|---|---|
| TW-MB51300-200A-HWB | 880*520*300mm |
| TW-MB51300-100A-HWB | 830*450*300mm |
| TW-MB48300-100A-HWB | |
| TW-MB51200-200A-HWB | 880*520*300mm |
| TW-MB51200-100A-HWB | |
| TW-MB48200-100A-HWB | 830*450*300mm |
Diagram Description: Visual representation of the battery unit showing its length (L), width (W), and height (H), with wheels at the base.
Product Details:
Diagram Description: Illustration of battery unit components: Display, Positive Pole, Negative Pole, Air Switch, Balance Switch (Optional), Battery Switch, Communication Area. Shows 100A Type and 200A Type.
Electrical Schematic Diagram:
Diagram Description: Block diagram of the BMS internal architecture showing cell monitoring, power regulation, communication interfaces (SPI, UART, RS232, RS485, CAN), temperature sensors, LED indicators, and control circuits.
Technical Specifications
| No. | Project | Specifications | |||||
|---|---|---|---|---|---|---|---|
| 1 | Model | TW-MB51300-200A-HWB(16S), TW-MB51200-200A-HWB(16S), TW-MB51300-100A-HWB(16S), TW-MB51200-100A-HWB(16S), TW-MB48300-100A-HWB(15S), TW-MB48200-100A-HWB(15S) | |||||
| 2 | Nominal capacity | 300Ah@0.2C | 200Ah@0.2C | 300Ah@0.2C / 200Ah@0.2C | |||
| 3 | Nominal voltage | 51.2V(16S) | 48.0V(15S) | 51.2V(16S) / 48.0V(15S) | |||
| 4 | Charging voltage | 56.8-57.6V(16S) | 53.2-54V(15S) | 56.8-57.6V(16S) / 53.2-54V(15S) | |||
| 5 | Operating voltage | 43.2~44.8V(16S) | 40.5~42.0V(15S) | 43.2~44.8V(16S) / 40.5~42.0V(15S) | |||
| 6 | Charging current | 60A | 40A | 60A / 40A | |||
| 7 | Standard charging mode | At 25°C: charge to 58.4V with 0.2C5A constant current, then constant voltage until current < 0.02C5A (16S). At 25°C: charge to 54.75V with 0.2C5A constant current, then constant voltage until current < 0.02C5A (15S). | |||||
| 8 | Maximum charging current | 200A | 100A | 200A / 100A | |||
| 9 | Maximum discharge current | 200A | 100A | 200A / 100A | |||
| 10 | Charging temperature | 0°C to 45°C (32°F to 113°F) @60±25% RH | |||||
| 11 | Discharge temperature | -20°C to 60°C (-4°F to 140°F) @60±25% RH | |||||
| 12 | Storage temperature | -20°C to 60°C (-4°F to 140°F) @60±25% RH | |||||
| 13 | Line joint | 250A Self-Locking Fitting Quick Release Connector | 120A Self-Locking Fitting Quick Release Connector | ||||
| 15 | Communication protocol | RS485, RS232, CAN | |||||
| 16 | Support inverter brand | Growatt, Deye, Goodwe, Voltronic power, Sofar, VICTRON, Solis, Megarevo, SRNE | |||||
BMS Characteristics
4.1 Instructions for LED lights
BMS features four green capacity indicators, a red alarm indicator, a green running indicator, and a switch indicator.
4.1.1 SOC Capacity Indicator
Table 2 SOC Indicator Status Table:
| Condition | Charge | Discharge | ||||||
|---|---|---|---|---|---|---|---|---|
| L1 | L2 | L3 | L4 | L1 | L2 | L3 | L4 | |
| 0~25% power (%) | Flash 2 | OFF | OFF | OFF | ON | OFF | OFF | OFF |
| 25~50% | ON | Flash 2 | OFF | OFF | ON | ON | OFF | OFF |
| 50~75% | ON | ON | Flash 2 | OFF | ON | ON | ON | OFF |
| 75~100% | ON | ON | ON | Flash 2 | ON | ON | ON | ON |
Running indicator light: ON (charge), Flash 3 (discharge).
4.1.2 Status Indicator
Table 3 Status Indicator Status Table:
| Status | ON/OFF Run | Alert | LED Battery Level Indicator | Explain | ||||
|---|---|---|---|---|---|---|---|---|
| Shut down | Sleep mode | ON | OFF | OFF | OFF | OFF | OFF | Light off |
| Standby | normal | ON | OFF | Flash 1 | According to electricity indication | standby mode | ||
| warning | ON | Flash 1 | Flash 3 | |||||
| Charge | normal | ON | ON | OFF | According to power indicator (max LED flashes 2) | Module low voltage. Max power LED flashes (flash 2), ALM does not flash during overshoot. If no mains, indicator turns to standby. | ||
| warning | ON | ON | Flash 3 |
Table 4 LED Flashing Description:
| Flashing mode | ON | OFF |
|---|---|---|
| Flash 1 | 0.25s | 3.75s |
| Flash 2 | 0.5s | 0.5s |
| Flash 3 | 0.5s | 1.5s |
4.2 Boot and Sleep Mode
Sleep Mode Conditions: Battery/pack over-discharge protection active (30s), Power ON/OFF button press (3s release), battery voltage below sleep setting, standby >24h without charge/discharge, manual sleep via software.
Wake-up Conditions: Charger plugged in (>48V), Power ON/OFF button press (3s release), communication cable plugged in and software opened (if not under over-discharge).
Note: If over-discharge protection is enabled, battery enters sleep mode. Attempts to wake up every 4 hours for charging. If failed 10 times, auto wake-up stops.
Communication Area
BMS communicates via RS232, RS485, CAN for monitoring battery data. Default baud rate 9600bps. RS485 supports address settings 1-15.
Interface Types: RTS, ADS (dial switch), DCT (Dry contact), RS485, CAN, RS232. Rst is reset button.
Diagram Description: Visuals of interface ports (RS232, RS485, CAN) and connection diagrams for CAN/RS485, Dry Contact, Parallel Communication Port, and Communication Interface.
Electrical Interface Definitions
RS232 -- 6P6C Vertical RJ11 Plug
| RJ11 pin | Definition | Description |
|---|---|---|
| 2 | NC | |
| 3 | TX(Single board) | |
| 4 | RX(Single board) | |
| 5 | GND |
RS485 and CAN Interface
| RS485 - 8P8C Vertical RJ45 Socket | CAN - 8P8C Vertical RJ45 Socket | ||
|---|---|---|---|
| RJ45 pin | Definition | RJ45 pin | Definition |
| 1, 8 | RS485-B1 | 9, 10, 11, 14, 16 | NC |
| 2, 7 | RS485-A1 | 12 | CANL |
| 3, 6 | GND | 13 | CANH |
| 4, 5 | NC | 15 | GND |
Parallel Communication Port
| RS485 - 8P8C Vertical RJ45 Socket | RS485 - 8P8C Vertical RJ45 Socket | ||
|---|---|---|---|
| RJ45 pin | Definition | RJ45 pin | Definition |
| 1, 8 | RS485-B | 9, 16 | RS485-B |
| 2, 7 | RS485-A | 10, 15 | RS485-A |
| 3, 6 | GND | 11, 14 | GND |
| 4, 5 | NC | 12, 13 | NC |
Description of Parallel Connection
5.1 Parallel Connection Diagram
Connect batteries in parallel following the diagram; system supports up to 15 batteries.
Diagram Description: Wiring diagram showing parallel connection of multiple battery units to a central inverter/management system, illustrating power cable connections.
5.2 Communication Line Parallel Diagram
Use RS485 or CAN lines for parallel battery communication with the inverter. Connect via the parallel communication port and set battery addresses using dial switches.
Table 7 The Dial Switch Setting Table:
| Address | Dial switch position | |||
|---|---|---|---|---|
| #1 | #2 | #3 | #4 | |
| 0 | OFF | OFF | OFF | OFF |
| 1 | ON | OFF | OFF | OFF |
| 2 | OFF | ON | OFF | OFF |
| 3 | ON | ON | OFF | OFF |
| 4 | OFF | OFF | ON | OFF |
| 5 | ON | OFF | ON | OFF |
| 6 | OFF | ON | ON | OFF |
| 7 | ON | ON | ON | OFF |
| 8 | OFF | OFF | OFF | ON |
| 9 | ON | OFF | OFF | ON |
| 10 | OFF | ON | OFF | ON |
| 11 | ON | ON | OFF | ON |
| 12 | OFF | OFF | ON | ON |
| 13 | ON | OFF | ON | ON |
| 14 | OFF | ON | ON | ON |
| 15 | ON | ON | ON | ON |
Diagram Description: Visuals of battery-to-inverter connections using RS485/CAN and dial switch address setting.
Operating Instructions
6.1 Operating Instructions of the Display Screen
6.1.1 Introduction of LCD Display
Button Description: MENU (management system), ENTER (submenu), DOWN (cursor/next page), ESC (previous).
6.1.2 Boot Screen
Displays "Welcome To Use Smart BMS". Shows protection status: OV, LV, OTt, IT, OC, SC. Status shown only if protected.
Navigation: Press "MENU" for main menu. ">" indicates submenu; press "ENTER" to access.
Menu Structure: Analog Info, BMS Status, Para Setting, Sys Setting.
Analog Info: View Pack V, Im, Temperature, Cell Voltage, Cell Capacity. Use "DOWN" to page.
Temperature Details: T1, T2, T3, T4, PCB-T, ENV-T values (e.g., 23.8°C).
Cell Voltage Details: Individual cell voltages (e.g., Cell 01: 3289 mV).
Cell Capacity Details: View SOC (e.g., 0.00%), FCC (e.g., 300.0 AH), Rm, CC.
BMS Status: Check battery status, use "DOWN" to page.
Record: Check alarm info (SCP, O/UTP, OCP, UVP, OVP). Use "DOWN" to page.
Protection Info: Within BMS Status, check UV, UVP, OC, OCP, OT, OTP, OV, OVP, SCP, Failure (Y/N).
Para Setting & Sys Setting: Access gyroscope info and version info respectively.
Optional Functions
7. Active Equilibrium Function
Cell voltage balancing function. Key parameters include working voltage, difference thresholds, accuracy, and current limits.
| Test Item | Min | Type | Max |
|---|---|---|---|
| Single IC working voltage (Single series) | 1.8V | / | 4.5V |
| Balance opening voltage difference on | 5mV≤ | ||
| Balance closing voltage difference on | |||
| Accuracy of the balance voltage difference | |||
| Balanced turn-on voltage (first string voltage) | 2.90V≥ | ||
| Balanced turn off voltage (first string voltage) | 2.50V ≤ | ||
| Balanced current (large voltage difference and large current) | 0 | / | 6A |
| Balanced operating voltage range (B0 to B+ voltage) | 46.4V | 68.0V | |
| Current consumption when working | 100uA | 1000uA | |
| Current consumption when sleeping | 0 | 8.0uA | |
| Working temperature | -40~+85 °C |
8. Fire Extinguishing Function (Optional)
Equipped with an aerosol fire extinguishing device that detects temperature and automatically extinguishes fire during short circuits or fires.
| Item | Parameter |
|---|---|
| Model specifications | QRR0.04G/S-MC-40-F-02-11 |
| Working temperature range | 30°C ~ +70°C |
| Relative humidity of working environment | <95%RH |
| Start mode | Hot start |
| Spray time | <3s |
| Starting temperature of thermal initiator | 170±10°C |
Product List and Tools
9.1 Product Packing Lists
Verify all items after unpacking. Confirm model, capacity, voltage, and order specifications. Contact distributor for any issues.
| Picture | Description | Qty |
|---|---|---|
| [Image: Home energy storage battery] | Home energy storage battery | 1 pieces |
| [Image: Product manual] | Product manual | 1 pieces |
| [Image: Positive/negative connector plug] | Positive/negative each one | |
| [Image: Signal line (Optional) - CAN/RJ45] | 4-CAN-H, 5-CAN-L | |
| [Image: Signal line (Optional) - RS485/RJ45] | 1, 8-RS485-B, 2, 7-RS485-A |
Instruction Manual
Connection Steps:
- Place battery appropriately and connect positive/negative connector.
- Connect other end of positive/negative lead to inverter.
- Turn on rocker switch and air switch.
Diagram Description: Diagram showing battery-to-inverter connection via RS485/CAN and power cables.
