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The Go Power! 300Ah Advanced Lithium Battery is a high-capacity, Bluetooth-enabled smart LiFePO4 battery designed for mobile off-grid applications. Featuring a built-in DC heater for cold-weather charging (down to -20°C), advanced BMS with cell balancing, RV-C communication for system integration, and the ability to wire up to 8 batteries in parallel or 4 in series, it is ideal for large RVs, vans, boats, and solar power systems requiring substantial energy storage. Backed by a 10-year prorated warranty.
Key Features & Benefits
Bluetooth-Enabled Smart Features: Monitor battery status, configure settings, and view real-time data including voltage, current, SoC, temperature, and cycle history via the Go Power! Connect app.
Built-In DC Heater: Allows safe charging in temperatures as low as -20°C (-4°F). The BMS controls heater operation automatically with three selectable modes (Auto, On, Off).
Advanced Battery Management System (BMS): Protects against over/under voltage, over/under temperature, charge/discharge over current, and short circuits. Includes auto-cell balancing and pre-charge circuitry for large capacitor banks.
300Ah High Capacity: Provides substantial energy storage for extended off-grid use. Wire up to 8 batteries in parallel for up to 2400Ah or 4 in series for 48V systems.
RV-C Communication: Built-in RV-C ports allow batteries to communicate with each other and with external displays or RV-C networks for coordinated operation and system monitoring.
High Discharge Current: Delivers 200A continuous and 400A surge – capable of handling heavy loads.
Lightweight Design for its Capacity: Weighs 77 lbs (35 kg) – significantly lighter than lead-acid equivalents.
IP67 Waterproof (Should Not Be Submerged): Sealed construction protects against dust and water ingress.
Reserve Capacity: 5% reserve allows emergency discharge even when battery is "completely discharged."
Integrated Mounting Brackets Included: Comes with mounting brackets and hardware for secure installation.
ETL, CE, UKCA, UN38.3, UL 2054 Certified: Meets rigorous safety and transportation standards.
10-Year Prorated Warranty: Backed by a 10-year warranty.
Technical Specifications
| Specification | Detail |
|---|---|
| Manufacturer | Go Power! |
| Model | GP-ADV-LiFePO4-300 |
| Technology | Lithium Iron Phosphate (LiFePO4) |
| Nominal Voltage | 12.8 VDC |
| Fully Charged Voltage (FC) | 14.6 V |
| Fully Discharged Voltage (FD) | 9.2 V |
| Capacity | 300 Ah |
| Recommended Discharge Terminated Voltage | 10 V |
| Battery Charge Voltage | 14.2 V |
| Maximum Continuous Charge Current | 200 A |
| Maximum Continuous Discharge Current | 200 A |
| Maximum Surge Discharge Current | 400 A |
| Discharge Cut-off Voltage | 8.4 V |
| Inner Resistance | ≤ 10 mΩ |
| Certifications | ETL, CE, UKCA, UN38.3, UL 2054 |
| Charge Temperature Range | -4°F to 131°F (-20°C to 55°C) |
| Discharge Temperature Range | -4°F to 131°F (-20°C to 55°C) |
| BMS Leakage Current (On Mode) | 35 mA |
| BMS Leakage Current (Off Mode) | < 20 μA |
| IP Rating | IP67 (waterproof – should not be submerged) |
| Warranty | 10-year (prorated) |
BMS Protection Features
| Protection | Function |
|---|---|
| Over-voltage Protection | Disconnects battery from charger if voltage exceeds limits |
| Under-voltage Protection | Disconnects battery from load if voltage drops too low |
| Over-temperature Protection | Disconnects battery if temperature limits are exceeded |
| Under-temperature Protection | Prevents charging below -4°F (-20°C) with heater assist |
| Over-current Protection (charge/discharge) | Limits current to safe levels (multiple tiers) |
| Short Circuit Protection | Opens circuit terminals if short detected |
| Cell Balancing | Keeps cells balanced for maximum capacity and lifetime |
| Reserve Capacity | 5% reserve allows emergency discharge |
Heater Modes
| Mode | Function |
|---|---|
| Auto | Heater on when battery in Sleep mode; off in OFF mode; in ON mode, heater only turns on when charging source capable of powering heater is available |
| ON | Heater turns on when internal temperature below 2°C and stays on until above 7°C |
| OFF | Heater always off |
Configuration Limits
| Configuration | Maximum |
|---|---|
| Batteries in Parallel | Up to 8 |
| Batteries in Series | Up to 4 |
Mechanical Specifications
| Specification | Detail |
|---|---|
| Length | 19.6 in (498 mm) |
| Width | 14.9 in (379 mm) |
| Height | 8.11 in (206 mm) |
| Weight | 77 lbs (35 kg) |
| Terminals | M8 (torque: 10.8 – 12.7 Nm / 95.6 – 112.4 in-lbs) |
| Case Material | ABS |
| Carrying | Recessed handles |
Included Components
| Item | Quantity |
|---|---|
| GP-ADV-LiFePO4-300 battery | 1 |
| L mounting brackets | 4 |
| PM6 x 12mm screws | 4 |
| M8 x 18mm screws | 2 |
| Terminal cap, red | 1 |
| Terminal cap, black | 1 |
| Installation and Operation Manual | 1 |
Wiring Restrictions
- Maximum 8 batteries in parallel
- Maximum 4 batteries in series
- Do not get wet (IP67 – should not be submerged)
- Batteries must be in Power Off mode before connecting
- Fully charge each battery individually before connecting (voltage difference between batteries within 1V)
- Do not hot-swap battery connections
Product Documents
Installation and Operating Manual: Download PDF
Quick Start Guide: Download PDF
Spec Sheet: Download PDF
SIO Sheet (100Ah/300Ah): Download PDF