
12.8V 200Ah LiFePO4 Lead-Acid Replacement Battery
The GLFB5 is a high-capacity 12.8V 200Ah LiFePO4 battery designed to replace compatible 12V lead-acid and AGM battery systems. With 2560Wh of reliable energy, an integrated BMS, and IP65-rated protection, it provides safe, maintenance-free power for solar energy storage, RVs, marine equipment, UPS backup, telecom systems, mobility devices, and other deep-cycle applications. Enjoy a 10-year design life, 5-year warranty, and no water refilling, acid cleanup, or routine terminal maintenance.
The Surlon Power GLFB5 is a 12.8V 200Ah LiFePO4 battery designed to replace compatible 12V lead-acid and SLA battery systems. Delivering 2560Wh of stored energy, this high-capacity lithium battery provides stable, maintenance-free power for solar storage, RVs, marine systems, backup power, telecom equipment, mobility devices, and other deep-cycle applications.
Built with lithium iron phosphate chemistry and an integrated Battery Management System (BMS), the GLFB5 helps protect against overcharge, over-discharge, over-temperature, and short circuits. Its IP65-rated ABS enclosure and M8 terminals support reliable integration in demanding indoor and protected outdoor environments.
High-Capacity 12V Power: 200Ah capacity and 2560Wh of energy for extended runtime.
Lead-Acid Replacement: Designed for compatible 12V lead-acid and SLA battery systems.
Strong Discharge Performance: Supports 150A continuous discharge and up to 200A pulse discharge.
Long Cycle Life: More than 2,000 cycles at 0.2C and 100% depth of discharge.
Integrated BMS Protection: Helps support safe, stable battery operation.
IP65-Rated Enclosure: Provides protection against dust and water jets.
Maintenance-Free Design: No water refilling, acid cleaning, or routine terminal maintenance.
Long-Term Value: 10-year design life and a 5-year warranty, subject to specified operating conditions.
The GLFB5 12.8V 200Ah LiFePO4 battery is suitable for compatible applications including:
Solar energy storage and off-grid power systems
RV, camper, and caravan electrical systems
Marine and boat auxiliary power
UPS and emergency backup systems
Telecom and security equipment
Mobility devices and utility vehicles
Industrial equipment and deep-cycle power applications
| Category | Specification | Details |
|---|---|---|
| Model | Product Model | GLFB5 |
| Electrical | Nominal Voltage | 12.8V |
| Electrical | Nominal Capacity | 200Ah |
| Electrical | Stored Energy | 2560Wh |
| Electrical | Internal Resistance (AC) | ≤20mΩ |
| Electrical | Cycle Life | >2,000 cycles @ 0.2C, 100% DOD |
| Electrical | Monthly Self-Discharge | <3% |
| Electrical | Charge Efficiency | 100% @ 0.3C |
| Electrical | Discharge Efficiency | 96–99% @ 0.3C |
| Charging | Charge Voltage | 14.4 ± 0.2V |
| Charging | Standard Charge Current | 50A |
| Charging | Maximum Charge Current | 100A |
| Charging | Charge Cut-off Voltage | 14.6V ± 0.2V |
| Discharging | Continuous Discharge Current | 150A |
| Discharging | Maximum Pulse Current | 200A (<3s) |
| Discharging | Discharge Cut-off Voltage | 10V |
| Environmental | Charge Temperature | 0°C to 45°C (32°F to 113°F) |
| Environmental | Discharge Temperature | -20°C to 60°C (-4°F to 140°F) |
| Environmental | Storage Temperature | 0°C to 40°C (32°F to 104°F) |
| Protection | IP Rating | IP65 |
| Mechanical | Battery Chemistry | LiFePO4 (LFP) |
| Mechanical | Case Material | ABS |
| Mechanical | Dimensions (L × W × H) | 520 × 235 × 220 mm ±2 |
| Mechanical | Weight | 19.8 kg |
| Mechanical | Terminal | M8 |
| Optional Feature | State of Charge Indicator | LED |
Compared with conventional lead-acid batteries, LiFePO4 batteries offer longer cycle life, stable voltage output, lower maintenance requirements, and high energy efficiency. The GLFB5 removes the need for water refilling and acid-deposit cleaning, helping users reduce maintenance time and long-term operating costs.
Before installation, confirm system voltage, battery-compartment dimensions, mounting method, cable connections, charger compatibility, and required discharge current.
Yes. The GLFB5 is designed for compatible 12V lead-acid and SLA battery systems. Confirm physical dimensions, terminal type, charging profile, and current requirements before purchase.
It is suitable for compatible solar storage, RVs, marine systems, UPS backup, telecom equipment, mobility applications, and deep-cycle power systems.
The standard charge current is 50A, and the maximum charge current is 100A. Use a LiFePO4-compatible charger with the specified voltage profile.
No water refilling or acid cleaning is required. Periodically inspect the battery, terminals, cables, mounting hardware, and charging equipment.
The enclosure is rated IP65, offering protection against dust and water jets. It must not be submerged in water.
OEM and ODM options may be available for qualified projects, including customized dimensions, connectors, labels, capacity, and other application-specific requirements.
Contact Surlon Power for technical support, customization options, and a quotation for the GLFB5 12.8V 200Ah LiFePO4 lead-acid replacement battery.