Lithium Battery Replacement (Lead-acid replacement)
Lithium Battery Replacement Series
LiFePO4 replacement battery range for upgrading lead-acid applications with longer cycle life, lighter weight, and wider temperature performance.

Application images
Usage scenarios
Clean visual references that show how this product family is positioned in residential, commercial, or field deployment settings.
Technical diagrams
System references
Simplified engineering visuals that help explain installation logic, system flow, and where the product sits inside the overall solution.
Series introduction
Engineered for practical energy storage deployment
The TB-Q series is designed for lead-acid replacement projects where users need the safety and service life advantages of LiFePO4 technology in a drop-in battery format.
It supports customized dimensions, Bluetooth options, and protection-oriented BMS logic for equipment migration from lead-acid platforms to lithium storage.
Voltage platform
12.8V / 25.6V
Protection
IP67
Cycle life
6000 - 8000 cycles
Model line-up
Lithium Battery Replacement (Lead-acid replacement)
Lithium Battery Replacement Series
LiFePO4 replacement battery range for upgrading lead-acid applications with longer cycle life, lighter weight, and wider temperature performance.
TB-Q01
1.28kWh
12.8V / 100Ah
TB-Q05
5.12kWh
25.6V / 200Ah
TB-Q07
8.04kWh
25.6V / 314Ah
Quick actions
Suitable for distributor inquiries, project procurement, and OEM or ODM discussion.
Key features
- LiFePO4 chemistry for safer replacement of lead-acid battery systems
- Built-in intelligent BMS with anti-reverse, short-circuit, over-current, over-charge, and temperature protections
- Natural cooling and wide operating temperature range from -20C to 55C
- Optional Bluetooth module for monitoring and configuration visibility
- Customized size support for retrofit and replacement projects
- IP67 protection class for more demanding environments
Applications
Recommended use cases
- Lead-acid upgrade projects
- Equipment battery replacement
- Marine and mobility retrofits
- Industrial backup battery upgrade
Technical specifications
Grouped engineering data for easier comparison
The tables below are organized by system function so buyers can scan battery, electrical, and environmental data more efficiently.
Battery platform
| Parameter | TB-Q01 1.28kWh | TB-Q05 5.12kWh | TB-Q07 8.04kWh |
|---|---|---|---|
| Nominal voltage | 12.8V | 25.6V | 25.6V |
| Nominal capacity | 100Ah | 200Ah | 314Ah |
| Charge cut-off voltage | 14.6V | 29.2V | 29.2V |
| Discharge cut-off voltage | 11.2V | 22.4V | 22.4V |
| Series / parallel mode | 4S1P | 8S1P | 8S1P |
Current and protection
| Parameter | TB-Q01 1.28kWh | TB-Q05 5.12kWh | TB-Q07 8.04kWh |
|---|---|---|---|
| Max continuous discharge current | 100A @25C | 100A @25C | 200A @25C |
| Max continuous charge current | 100A @25C | 100A @25C | 200A @25C |
| Communication | Customizable Bluetooth | Customizable Bluetooth | Customizable Bluetooth |
| Output interface | Terminal block | Terminal block | Terminal block |
| Protection | Integrated BMS protection | Integrated BMS protection | Integrated BMS protection |
Environmental and physical
| Parameter | TB-Q01 1.28kWh | TB-Q05 5.12kWh | TB-Q07 8.04kWh |
|---|---|---|---|
| Charging temperature | 0 to +50C | 0 to +50C | 0 to +50C |
| Discharge temperature | -20 to +55C | -20 to +55C | -20 to +55C |
| Cycle life | 6000 cycles | 6000 cycles | 8000 cycles |
| Maximum series quantity | 4S | 2S | 2S |
| Protection class | IP67 | IP67 | IP67 |
| Weight | 10.1kg | 39kg | 54.8kg |
Next step
Request pricing, technical sheets, or OEM support
Send your project requirement or target specification and the Turbox team will match the right product configuration.
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