1. Produto acabadoview
The DATOUBOSS 12V 300Ah LiFePO4 Battery is a deep-cycle lithium iron phosphate battery designed for reliable energy storage. It is suitable for various applications including solar power systems, recreational vehicles (RVs), camping setups, and off-grid power solutions. This battery offers a stable power output, high energy efficiency, and a long cycle life, making it an effective alternative to traditional lead-acid batteries.
Principais características:
- Alta capacidade: 12V 300Ah with 3840Wh usable energy, providing substantial power for extended use.
- Longo ciclo de vida: Offers 6000+ cycles at 80% Depth of Discharge (DOD), ensuring a lifespan of up to 10 years.
- BMS integrado: Features a 200A Battery Management System (BMS) for protection against overcharge, over-discharge, overcurrent, short circuit, and temperature fluctuations.
- Design leve: Weighs approximately 27.7 kg (60.9 lbs), significantly lighter than comparable lead-acid batteries, facilitating easier installation and transport.
- Sistema escalável: Supports configurations up to 4P4S (4 parallel, 4 series) for increased capacity and voltage requisitos.
- Construção durável: Built with automotive-grade LiFePO4 cells and features an IP65 rated sealed housing for protection against dust and water ingress.


2. Informações de segurança
Read and understand all safety instructions before installing or operating the battery. Failure to follow these instructions may result in electric shock, fire, or other serious injury or damage.
- Evite curtos-circuitos: Não provoque curto-circuito entre os terminais positivo e negativo. Isso pode causar danos graves à bateria e representar risco de incêndio.
- No Modification or Disassembly: Do not modify or disassemble the battery without authorization. Unauthorized modifications can compromise safety and void the warranty.
- Fire and Water: Do not expose the battery to fire or water. The battery is IP65 rated for dust and splash resistance, but not for submersion.
- Carregamento: Always use a standard charger that matches the output voltage and chemistry of the lithium battery. Using an incompatible charger can damage the battery or lead to unsafe conditions.
- Aplicativo: This battery is designed for deep-cycle energy storage applications. It is não pretendido for engine starting or cranking applications.
- Ventilação: Ensure adequate ventilation around the battery during operation and charging to prevent heat buildup.
- Temperatura: Operate and store the battery within the specified temperature ranges (Charge Temp: 0°C ~ 45°C, Discharge Temp: -20°C ~ 65°C).
3. O que está na caixa
Ao abrir a embalagem, verifique se todos os componentes estão presentes e sem danos.
- 1x DATOUBOSS 12.8V 300Ah Deep-Cycle Lithium Iron Phosphate Battery (Core Series)
- 1x Manual do Usuário (este documento)
- 2x Insulating Sleeves
- 2x M8 Long Terminal Bolts

Video 1: Unboxing and initial inspection of the DATOUBOSS 12V 300Ah LiFePO4 Battery, demonstrating its physical characteristics and included accessories.
4. Configuração e instalação
Proper installation is crucial for the safe and efficient operation of your LiFePO4 battery. Always ensure all connections are secure and correctly polarized.
4.1 Connecting Multiple Batteries (4P4S Configuration)
The DATOUBOSS 12V 300Ah battery supports scalable configurations up to 4 parallel and 4 series (4P4S) to meet higher capacity or voltage requirements. This allows for a maximum system capacity of 61.44 kWh.
- Conexão Paralela: Connect positive terminals to positive terminals and negative terminals to negative terminals to increase overall capacity (Ah) while maintaining the same voltage (V).
- Conexão em série: Connect the positive terminal of one battery to the negative terminal of the next battery to increase overall voltage (V) mantendo a mesma capacidade (Ah).
- Combined (Series-Parallel): For 4P4S, first connect batteries in parallel to achieve desired capacity, then connect these parallel strings in series to achieve desired voltage.
- Importante: Ensure all batteries in a series or parallel bank are of the same type, capacity, and voltage. Use appropriate cables and fuses for all connections.

4.2 System Integration (Solar/RV)
The battery can be integrated into various energy systems. A typical setup for solar or RV applications involves a solar panel, an MPPT charge controller, the battery, and an inverter to power AC loads.


5. Instruções de operação
The DATOUBOSS LiFePO4 battery is designed for ease of use in various deep-cycle applications.
5.1 Carregando a bateria
The battery can be charged using several methods:
- Carregador de bateria de lítio: Use a dedicated LiFePO4 battery charger with compatible voltage e configurações atuais.
- Painel solar: Connect to a solar panel system via an MPPT (Maximum Power Point Tracking) charge controller.
- Gerador: Use a generator with an appropriate charging system or AC output connected to a compatible charger.

Aplicações típicas 5.2
This battery is versatile and can power a wide range of devices and systems:
- RV e Camping: Power appliances like air conditioners, coffee makers, refrigerators, and fans during travel or outdoor activities.
- Solar Energy Storage: Store excess solar energy for use during nighttime or cloudy days, enhancing energy independence.
- Home Emergency Backup: Provide backup power for essential household items during power outage.
- Marine (Boat/Trolling Motor): Suitable for powering trolling motors and other marine electronics.
- Sistemas de segurança: Can be used as a reliable power source for security cameras and other surveillance equipment.


6. Manutenção
LiFePO4 batteries require minimal maintenance compared to lead-acid batteries, but following these guidelines will ensure optimal performance and longevity:
- Inspeção regular: Verifique periodicamente os terminais da bateria quanto à corrosão ou conexões soltas. Limpe os terminais com uma escova de arame, se necessário, e certifique-se de que estejam bem apertados.
- Mantenha limpo e seco: While the battery has an IP65 rating, it is best to keep it clean and dry. Avoid exposing it to excessive moisture or dust.
- Gerenciamento de temperatura: Operate and store the battery within the recommended temperature ranges. Extreme temperatures can affect performance and lifespan. The integrated BMS provides protection against high and low temperatures.
- Práticas de carregamento: Avoid consistently deep discharging the battery to 0% state of charge. While LiFePO4 batteries tolerate deep cycles well, maintaining a higher average state of charge can extend overall life.
- Armazenar: If storing the battery for an extended period, ensure it is charged to approximately 50-70% of its capacity and stored in a cool, dry place.
7. Solução De Problemas
The integrated Battery Management System (BMS) provides comprehensive protection. If you encounter issues, consider the following common scenarios:
Problemas e soluções comuns:
- Bateria não carregando:
- Check all connections to the charger and battery terminals for looseness or corrosion.
- Ensure the charger is compatible with LiFePO4 batteries and is functioning correctly.
- Verify that the input power source to the charger is active.
- The BMS may have activated over-discharge protection. Try connecting to a compatible charger to reset.
- Sem saída de energia:
- Verifique o volume da bateriatage. If it's too low, the BMS may have activated over-discharge protection.
- Inspect all load connections and ensure they are secure.
- The BMS may have activated overcurrent or short-circuit protection. Disconnect the load, wait a few minutes, and reconnect. Reduce the load if it was excessive.
- Check for any blown fuses in your system.
- Superaquecimento da bateria:
- The BMS includes temperature protection. If the battery becomes excessively hot, it will shut down.
- Assegure-se de que haja ventilação adequada ao redor da bateria.
- Reduce the load or charging current if the battery is consistently overheating.

Caso essas etapas não resolvam o problema, entre em contato com o suporte ao cliente da DATOUBOSS para obter mais assistência.
8. Especificações
| Atributo | Especificação |
|---|---|
| Marca | DATOUBOSS |
| Modelo | 12v300Ah |
| Vol Nominaltage | 12.8 Volts |
| Capacidade nominal | 300 Ah |
| Energia utilizável | 3840 Wh |
| Máx. Corrente de descarga contínua | 300A |
| Máx. Potência de carga | 3840 W |
| Ciclo de vida | 6000+ Cycles at 80% DOD (up to 15000 cycles) |
| Tipo de Bateria | LiFePO4 (Fosfato de Ferro Lítio) |
| Proteção BMS | 200A (Overcharge, Over-discharge, Overcurrent, Short Circuit, Temperature) |
| Classificação de proteção de entrada (IP) | IP65 (À prova d'água e poeira) |
| Dimensões (C x L x A) | 19.69 x 10.24 x 8.66 polegadas (50 x 26 x 22 cm) |
| Peso do item | 60.9 libras (27.7 kg) |
| Temperatura de operação (carga) | 0°C ~ 45°C |
| Temperatura de operação (descarga) | -20°C ~ 65°C |
| Max. System Configuration | 4P4S |
9. Garantia e Suporte
For warranty information, technical support, or any questions regarding your DATOUBOSS LiFePO4 battery, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific warranty terms and contact details.
Manufacturer: DATOUBOSS
Seller: Henan Zhongri New Energy Co., Ltd.