Best Epoch Lithium Battery 12v 300ah in 2025
Updated on July 2025
#1
Recommended
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- Dual-purpose battery for deep cycle and cranking use
- 800A for 10 seconds and 1100CCA, supports up to 250hp outboard motors
- 150A continuous discharge capability
- Internal heating allows charging in sub-zero temperatures
- Bluetooth connectivity for app monitoring and updates
- IP67 rated for dust and waterproof performance
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- Dual-purpose battery for deep cycle and cranking use
- 800A for 10 seconds and 1100CCA, supports up to 250hp outboard motors
- 150A continuous discharge capability
- Internal heating allows charging in sub-zero temperatures
- Bluetooth connectivity for app monitoring and updates
- IP67 rated for dust and waterproof performance
#2
Value for Money
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- Automatic self-heating function activates for charging in temperatures as low as -4°F, allowing flexible usage in cold conditions.
- Equipped with Grade-A LiFePO4 cells and an upgraded 200A BMS for enhanced safety and long-term reliability, protecting against overcharging, over-discharging, and short circuits.
- Offers over 5000 cycles, significantly outlasting traditional lead-acid batteries and reducing total ownership costs while being 30% lighter for easier portability.
- Constructed with stable Lithium Iron Phosphate, ensuring safety against burning or exploding, and is environmentally friendly with no heavy metals.
- Versatile for multiple applications such as marine, RVs, and off-grid systems, and comes with a five-year support solution.
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- Automatic self-heating function activates for charging in temperatures as low as -4°F, allowing flexible usage in cold conditions.
- Equipped with Grade-A LiFePO4 cells and an upgraded 200A BMS for enhanced safety and long-term reliability, protecting against overcharging, over-discharging, and short circuits.
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#3
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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.
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#4
- Lithium LiFePO4 battery with a proven track record in quality and reliability, supported by a warranty for non-human-caused failures.
- Versatile usage for various applications including solar systems, RVs, boats, and off-grid setups, with options for series and parallel connections up to 80V.
- High energy density with grade A cells ensures maximum power storage in a compact design, achieving over 10,000 charge cycles for long-lasting performance.
- Strict quality control measures ensure batteries meet capacity standards before leaving the factory, with a commitment to addressing capacity discrepancies.
- Equipped with an intelligent Battery Management System (BMS) for protection against overcharging, over-discharging, and short circuits, including temperature monitoring for safety.
- Ensure proper fit by verifying battery dimensions prior to purchase, as some customers may experience size compatibility issues.
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- Lithium LiFePO4 battery with a proven track record in quality and reliability, supported by a warranty for non-human-caused failures.
- Versatile usage for various applications including solar systems, RVs, boats, and off-grid setups, with options for series and parallel connections up to 80V.
- High energy density with grade A cells ensures maximum power storage in a compact design, achieving over 10,000 charge cycles for long-lasting performance.
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#5
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.
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#6
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.
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#7
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- Lightweight design at 1/3 the weight of lead acid batteries, enhancing portability and ease of installation.
- Offers over 4000 charge cycles and a lifespan of up to 10 years, significantly outperforming the 200-500 cycles and 3-year lifespan of traditional lead acid batteries.
- High capacity of 300Ah with superior performance, capable of powering devices like an 80W refrigerator for up to 48 hours continuously.
- Versatile connectivity options allow for parallel and series configurations, achieving a maximum capacity of 1200Ah, ideal for off-grid solar systems and outdoor activities.
- Includes a 5-year warranty, with dedicated technical support available for assistance with product-related inquiries.
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- Lightweight design at 1/3 the weight of lead acid batteries, enhancing portability and ease of installation.
- Offers over 4000 charge cycles and a lifespan of up to 10 years, significantly outperforming the 200-500 cycles and 3-year lifespan of traditional lead acid batteries.
- High capacity of 300Ah with superior performance, capable of powering devices like an 80W refrigerator for up to 48 hours continuously.
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#8
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- Lithium batteries utilize grade A Cells, offering energy density 300% higher than lead-acid batteries while being smaller and lighter for portability.
- The battery includes a 200A BMS to prevent overcharge, over-voltage, over-discharge, over-current, and short circuits, ensuring stable power supply.
- Supports up to 6 series and 6 parallel connections, making it suitable for RVs, emergency lighting, camping, small UPS, and other applications (caution: do not mix brands).
- LiFePO4 batteries can be cycled over 10,000 times and are recyclable, promoting environmental sustainability.
- Customer service is readily available for inquiries or additional product information, backed by a reputable lithium battery manufacturer.
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- Lithium batteries utilize grade A Cells, offering energy density 300% higher than lead-acid batteries while being smaller and lighter for portability.
- The battery includes a 200A BMS to prevent overcharge, over-voltage, over-discharge, over-current, and short circuits, ensuring stable power supply.
- Supports up to 6 series and 6 parallel connections, making it suitable for RVs, emergency lighting, camping, small UPS, and other applications (caution: do not mix brands).
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#9
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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.
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#10
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- Built with Grade A LiFePO4 cells for higher energy density and safety, this 12V 300Ah battery can be recharged over 4,000 times with a lifespan exceeding 10 years.
- Offers 100% usable capacity maintaining over 12.8V for up to 90% of its discharge cycle, significantly outlasting lead-acid batteries which only deliver 60% to 80%.
- Capable of being connected in parallel or series for larger capacities (up to 1200Ah) and higher voltages (24V, 36V, 48V), suitable for diverse applications including home energy storage, outdoor power needs, and electric vehicles.
- Equipped with a 200A Battery Management System (BMS) protecting against overcharging, overdischarging, and short circuits, along with temperature protections for both high and low extremes.
- Designed for longevity, it can achieve over 5,000 cycles at full depth of discharge and up to 8,000 cycles at recommended depths, offering a lifespan significantly longer than standard lead-acid batteries.
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- Built with Grade A LiFePO4 cells for higher energy density and safety, this 12V 300Ah battery can be recharged over 4,000 times with a lifespan exceeding 10 years.
- Offers 100% usable capacity maintaining over 12.8V for up to 90% of its discharge cycle, significantly outlasting lead-acid batteries which only deliver 60% to 80%.
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