Best 300ah Lithium Batteries 12 Volt in 2025

Updated on July 2025
#1
18% Off
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  • Lightweight 12V 300Ah lithium iron phosphate battery weighs only 57 lbs, offering a compact design for easy carrying and installation.
  • Long lifespan of up to 10 years with 4,000 cycles at 100% depth of discharge (DOD) and up to 15,000 cycles at 60% DOD, making it more economical than traditional lead-acid batteries.
  • Compliant with CE, ROHS, UN38.3, UL1642, and UL2580 safety certifications, featuring built-in Battery Management System for protection against overcharging, discharging, overcurrent, overheating, and short circuits.
  • Durable, impact-resistant ABS casing provides heat, weather, and flame resistance with IP67 waterproof rating, making it suitable for harsh environments.
  • Batteries can be connected in parallel and series to meet diverse power needs, perfect for home energy storage and off-grid systems.
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  • Lightweight 12V 300Ah lithium iron phosphate battery weighs only 57 lbs, offering a compact design for easy carrying and installation.
  • Long lifespan of up to 10 years with 4,000 cycles at 100% depth of discharge (DOD) and up to 15,000 cycles at 60% DOD, making it more economical than traditional lead-acid batteries.
  • Compliant with CE, ROHS, UN38.3, UL1642, and UL2580 safety certifications, featuring built-in Battery Management System for protection against overcharging, discharging, overcurrent, overheating, and short circuits.
  • Durable, impact-resistant ABS casing provides heat, weather, and flame resistance with IP67 waterproof rating, making it suitable for harsh environments.
  • Batteries can be connected in parallel and series to meet diverse power needs, perfect for home energy storage and off-grid systems.
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#2
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  • Lifepo4 12V 300Ah deep cycle battery offers a lifespan exceeding 6000 cycles at 80% depth of discharge, outperforming traditional lead-acid batteries.
  • Weighing one-third of lead-acid counterparts, this lithium battery provides higher energy density, storing more energy efficiently in less space.
  • Equipped with a robust battery management system (BMS) that safeguards against overcharging, deep discharging, and short circuits, while ensuring balanced voltage across multiple batteries.
  • IP67 waterproof rating enables reliable performance in harsh outdoor conditions, making it suitable for RVs, solar energy systems, marine use, and off-grid applications.
  • Not designed for starting engines; intended for energy storage only. Monitor voltage levels, and ensure to charge/discharge every six months to maintain battery health.
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  • Lifepo4 12V 300Ah deep cycle battery offers a lifespan exceeding 6000 cycles at 80% depth of discharge, outperforming traditional lead-acid batteries.
  • Weighing one-third of lead-acid counterparts, this lithium battery provides higher energy density, storing more energy efficiently in less space.
  • Equipped with a robust battery management system (BMS) that safeguards against overcharging, deep discharging, and short circuits, while ensuring balanced voltage across multiple batteries.
  • IP67 waterproof rating enables reliable performance in harsh outdoor conditions, making it suitable for RVs, solar energy systems, marine use, and off-grid applications.
  • Not designed for starting engines; intended for energy storage only. Monitor voltage levels, and ensure to charge/discharge every six months to maintain battery health.
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#3
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  • Bluetooth connectivity for real-time monitoring via ECO-WORTHY app, displaying battery voltage, current, and capacity up to 15 meters away.
  • Smart BMS prevents over-charging, over-discharging, and short-circuits, with low-temperature cut-off for safe operation in various environments.
  • Lightweight design at 61.7 lbs, making it one-third the weight of comparable lead-acid batteries for easy transport and installation.
  • Offers a maximum energy capacity of 57.3 KWH with series and parallel connections, suitable for trolling motors, RVs, solar systems, and marine use.
  • Compatible with 12V 20A chargers, taking 14 hours to fully charge; can also be charged using a 600W solar panel in about 6 hours.
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  • Bluetooth connectivity for real-time monitoring via ECO-WORTHY app, displaying battery voltage, current, and capacity up to 15 meters away.
  • Smart BMS prevents over-charging, over-discharging, and short-circuits, with low-temperature cut-off for safe operation in various environments.
  • Lightweight design at 61.7 lbs, making it one-third the weight of comparable lead-acid batteries for easy transport and installation.
  • Offers a maximum energy capacity of 57.3 KWH with series and parallel connections, suitable for trolling motors, RVs, solar systems, and marine use.
  • Compatible with 12V 20A chargers, taking 14 hours to fully charge; can also be charged using a 600W solar panel in about 6 hours.
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#4
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  • Intelligent BMS protection system for real-time monitoring of charging, discharging, short-circuit, and temperature, enhancing battery lifespan.
  • IP65 rated for waterproof and dustproof performance, ensuring reliable operation in extreme outdoor conditions.
  • Supports over 2000 deep cycles with no memory effect, offering a lifespan of up to 10 years, making it a cost-effective alternative to traditional batteries.
  • 300Ah capacity sufficient for continuous operation of appliances like RV refrigerators, LED lights, and air conditioning, reducing the need for frequent recharging.
  • Lightweight design is one-third the weight of traditional lead-acid batteries, improving fuel efficiency and enabling easier installation.
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  • Intelligent BMS protection system for real-time monitoring of charging, discharging, short-circuit, and temperature, enhancing battery lifespan.
  • IP65 rated for waterproof and dustproof performance, ensuring reliable operation in extreme outdoor conditions.
  • Supports over 2000 deep cycles with no memory effect, offering a lifespan of up to 10 years, making it a cost-effective alternative to traditional batteries.
  • 300Ah capacity sufficient for continuous operation of appliances like RV refrigerators, LED lights, and air conditioning, reducing the need for frequent recharging.
  • Lightweight design is one-third the weight of traditional lead-acid batteries, improving fuel efficiency and enabling easier installation.
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#5
13% Off
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  • Real-time monitoring of battery status including current, voltage, temperature, and cycle count through a dedicated app.
  • High-performance 12V 300Ah LiFePO4 battery features advanced manufacturing technology, maintaining over 80% capacity after 2000 cycles, ready for use immediately after charging.
  • Compatible with solar systems, the battery can be configured in series or parallel for up to 1200Ah capacity and 51.2V voltage, delivering a maximum energy output of 61.44kWh and load power of 40.96kW.
  • Built-in 200A BMS ensures safety with robust chemical stability, preventing fire or explosion under extreme conditions, while being UL certified and environmentally friendly with no heavy metals.
  • Versatile installation options without acid concerns make this battery ideal for various applications, backed by a 5-year warranty and 24-hour customer support.
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  • Real-time monitoring of battery status including current, voltage, temperature, and cycle count through a dedicated app.
  • High-performance 12V 300Ah LiFePO4 battery features advanced manufacturing technology, maintaining over 80% capacity after 2000 cycles, ready for use immediately after charging.
  • Compatible with solar systems, the battery can be configured in series or parallel for up to 1200Ah capacity and 51.2V voltage, delivering a maximum energy output of 61.44kWh and load power of 40.96kW.
  • Built-in 200A BMS ensures safety with robust chemical stability, preventing fire or explosion under extreme conditions, while being UL certified and environmentally friendly with no heavy metals.
  • Versatile installation options without acid concerns make this battery ideal for various applications, backed by a 5-year warranty and 24-hour customer support.
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#6
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  • Lightweight 12V 300Ah lithium iron phosphate battery weighs only 59 lbs, making it compact and easy to install while providing an energy capacity of 3840Wh with high energy density.
  • Features Grade A+ LiFePO4 technology allowing for over 4000 cycles at 100% depth of discharge, and up to 15000 cycles at reduced depths, ensuring longevity and efficiency.
  • Integrated 200A Battery Management System (BMS) safeguards against overcharge, over-discharge, and short circuits, with temperature protection activating at extremes to ensure battery safety.
  • Constructed from durable, impact-resistant ABS with IP67 waterproofing, suitable for various applications including home energy storage, RVs, and off-grid systems. Can be connected in series or parallel to extend power supply.
  • Bluetooth-enabled for real-time monitoring via a mobile app, providing data such as voltage, current, and capacity while the battery is in operation.
  • Certified with UL, IEC standards with a 5-year warranty, ensuring safety and reliability with responsive after-sales support.
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  • Lightweight 12V 300Ah lithium iron phosphate battery weighs only 59 lbs, making it compact and easy to install while providing an energy capacity of 3840Wh with high energy density.
  • Features Grade A+ LiFePO4 technology allowing for over 4000 cycles at 100% depth of discharge, and up to 15000 cycles at reduced depths, ensuring longevity and efficiency.
  • Integrated 200A Battery Management System (BMS) safeguards against overcharge, over-discharge, and short circuits, with temperature protection activating at extremes to ensure battery safety.
  • Constructed from durable, impact-resistant ABS with IP67 waterproofing, suitable for various applications including home energy storage, RVs, and off-grid systems. Can be connected in series or parallel to extend power supply.
  • Bluetooth-enabled for real-time monitoring via a mobile app, providing data such as voltage, current, and capacity while the battery is in operation.
  • Certified with UL, IEC standards with a 5-year warranty, ensuring safety and reliability with responsive after-sales support.
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#7
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  • Lithium battery manufacturer with over 20 years of expertise, offering a 12V 300Ah battery that surpasses lead-acid batteries in energy density and quality.
  • The compact design of the 12.8V 300Ah LiFePO4 battery is 15.2" x 7.5" x 9.8" and weighs around 56 pounds, delivering 3840 Wh energy with a load power of 2560W.
  • Equipped with a built-in BMS for overcharge, over-discharge, and over-current protection; operates between 0℃-45℃ for charging and -20℃-60℃ for discharging; recommended to connect no more than 6 batteries in parallel or series.
  • Free from heavy metals and rare substances, this eco-friendly LiFePO4 battery is safe and pollution-free, with an IP65 waterproof shell suitable for various applications, including solar systems and emergency backup, boasting a cycle life of over 10,000 times.
  • Professional support team available to address customer inquiries and issues within 24 hours, ensuring optimal battery usage and solutions.
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  • Lithium battery manufacturer with over 20 years of expertise, offering a 12V 300Ah battery that surpasses lead-acid batteries in energy density and quality.
  • The compact design of the 12.8V 300Ah LiFePO4 battery is 15.2" x 7.5" x 9.8" and weighs around 56 pounds, delivering 3840 Wh energy with a load power of 2560W.
  • Equipped with a built-in BMS for overcharge, over-discharge, and over-current protection; operates between 0℃-45℃ for charging and -20℃-60℃ for discharging; recommended to connect no more than 6 batteries in parallel or series.
  • Free from heavy metals and rare substances, this eco-friendly LiFePO4 battery is safe and pollution-free, with an IP65 waterproof shell suitable for various applications, including solar systems and emergency backup, boasting a cycle life of over 10,000 times.
  • Professional support team available to address customer inquiries and issues within 24 hours, ensuring optimal battery usage and solutions.
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#8
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  • Bluetooth 5.0 connectivity allows real-time monitoring of battery parameters including voltage, current, and capacity through an app.
  • LiFePO4 battery has a lifespan of up to 10 years, providing 3.84kWh of energy with over 15,000 deep cycles.
  • Compact design makes it 40% lighter than lead-acid batteries, maximizing usable capacity and portability.
  • Advanced BMS offers protection against overcharge, over-discharge, and short circuits, ensuring safety and stability.
  • Supports scalable configurations up to 61.44kWh, suitable for various applications including home solar storage and RVs.
  • Automatic low-temperature cutoff prevents damage, extending service life.
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  • Bluetooth 5.0 connectivity allows real-time monitoring of battery parameters including voltage, current, and capacity through an app.
  • LiFePO4 battery has a lifespan of up to 10 years, providing 3.84kWh of energy with over 15,000 deep cycles.
  • Compact design makes it 40% lighter than lead-acid batteries, maximizing usable capacity and portability.
  • Advanced BMS offers protection against overcharge, over-discharge, and short circuits, ensuring safety and stability.
  • Supports scalable configurations up to 61.44kWh, suitable for various applications including home solar storage and RVs.
  • Automatic low-temperature cutoff prevents damage, extending service life.
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#9
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  • Smaller and lighter than lead-acid batteries, measuring 15.12x7.64x10.03 inches and weighing only 54.45 lbs for easy portability.
  • Automotive Grade A LiFePO4 battery with 3840Wh output, offering over 4000 cycles at 100% DOD and certified IP65 waterproof for versatile indoor and outdoor use.
  • Built-in 200A BMS for enhanced safety against overcharge, discharge, and short circuits, with over 10 years of maintenance-free lifespan.
  • Supports max 61.44kWh expansion for multiple applications including RVs, solar systems, and home backups.
  • Free of heavy metals and 70% recycled materials contribute to environmental sustainability.
  • Versatile applications in trolling motors, RVs, solar/wind energy storage, and more, serving as a replacement for traditional lead-acid batteries.
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  • Smaller and lighter than lead-acid batteries, measuring 15.12x7.64x10.03 inches and weighing only 54.45 lbs for easy portability.
  • Automotive Grade A LiFePO4 battery with 3840Wh output, offering over 4000 cycles at 100% DOD and certified IP65 waterproof for versatile indoor and outdoor use.
  • Built-in 200A BMS for enhanced safety against overcharge, discharge, and short circuits, with over 10 years of maintenance-free lifespan.
  • Supports max 61.44kWh expansion for multiple applications including RVs, solar systems, and home backups.
  • Free of heavy metals and 70% recycled materials contribute to environmental sustainability.
  • Versatile applications in trolling motors, RVs, solar/wind energy storage, and more, serving as a replacement for traditional lead-acid batteries.
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#10
25% Off
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  • Intelligent LED display shows battery level and health status for easy monitoring of performance.
  • Remotely check battery status via Bluetooth and the ECO-WORTHY APP for real-time information access.
  • Comprehensive BMS with low temperature protection, automatically pausing charging below -7 ℃ (19.4 ℉) to safeguard battery cells.
  • Features an alarm for battery failures; use the ECO-WORTHY APP to quickly identify and troubleshoot issues.
  • Lightweight design (60.4 lbs) and compact size (16.3 * 8.46 * 10.24 inches) make it suitable for home use and RVs, with over three times the lifespan of lead-acid batteries.
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  • Intelligent LED display shows battery level and health status for easy monitoring of performance.
  • Remotely check battery status via Bluetooth and the ECO-WORTHY APP for real-time information access.
  • Comprehensive BMS with low temperature protection, automatically pausing charging below -7 ℃ (19.4 ℉) to safeguard battery cells.
  • Features an alarm for battery failures; use the ECO-WORTHY APP to quickly identify and troubleshoot issues.
  • Lightweight design (60.4 lbs) and compact size (16.3 * 8.46 * 10.24 inches) make it suitable for home use and RVs, with over three times the lifespan of lead-acid batteries.
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