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12V 300Ah-Pro
SYLJ
PERFORMANCE SPECIFICATION | ||
GENERAL PARAMETER | ||
Item | Specification | Condition |
Nominal Capacity | 300Ah | Standard Charge & Discharge Procedure |
Nominal Energy | 3840Wh | Standard Charge & Discharge Procedure |
Nominal Voltage | 12V | 0.5C |
Voltage Range | 10~14.6V | Cell Temperature T>0℃ |
Cell Type | LFP | Optional Accessories |
Case Style | ABS | Optional Accessories |
PCM/BMS | PCM/BMS | Optional Accessories |
Communication method | UART | Optional Accessories-Bluetooth |
Cycle Life | ≥6000 Cycles | 80% Capacity Retention |
CHARGING PARAMETER | ||
Item | Specification | Condition |
Standard Charge Rate | 0.5C | 10℃≤T<45℃ |
Maximum Charge Rate | 1C | 10℃≤T<45℃ |
Peak Charge Rate | 2C | The Duration of the 10S |
Charge Cut-off Voltage | 14.6V | Battery Max Charging 14.6 Voltage |
Standard Charge Method | 0.5C CC to 14.6V CV to 0.05C | 0.05C Cut-off |
Absolute Charging Temperature | 0~60℃ | The Temperature Range of Cell Charging |
DISCHARGING PARAMETER | ||
Item | Specification | Condition |
Standard Discharging Rate | 0.5C | 10℃≤T<45℃ |
Maximum Discharging Rate | 1C | 10℃≤T<45℃ |
Peak Discharging Rate | 3C | The Duration of the 10S |
Absolute Discharging Temperature | -30~60℃ | The Temperature Range of Battery Discharging |
MECHANICAL PARAMETER | ||
Item | Specification | Condition |
Dimension | 245×640×218mm | Width × Length × Height mm |
Weight | 27±1Kg | Net Weight |
Our 300Ah LiFePO4 battery delivers 40% more power than lead-acid batteries of the same size, thanks to its low self-discharge rate and low capacity loss. A full charge can power an 80W refrigerator for up to 48 hours, making it an excellent choice for home backup power, solar energy storage, RVs, camping, and marine applications.
This lithium iron phosphate (LiFePO4) battery is 1/3 the weight of traditional lead-acid batteries while offering up to 10 times longer lifespan. It supports 4,000-15,000 cycles, compared to just 200-500 cycles for lead-acid. That’s 2,000-3,000 cycles more than other LiFePO4 batteries on the market, ensuring a 10-year lifespan with stable performance.
Designed for off-grid solar systems, RVs, campers, boats, and emergency backup power, our LiFePO4 battery supports series and parallel connections to expand capacity up to 1200Ah and voltage up to 48V. Enjoy reliable energy storage even on cloudy days, ensuring a seamless outdoor experience.
Built with premium-grade LiFePO4 cells, this battery offers higher energy density, stable performance, and superior safety. The built-in Battery Management System (BMS) protects against overcharging, over-discharging, overcurrent, and short circuits. It meets strict safety certifications, ensuring 100% non-toxic, renewable, and eco-friendly energy.
This battery is a lightweight, high-performance energy solution for caravans, camping, and off-grid applications. It’s 50% lighter and 30% smaller than comparable lead-acid batteries, offering superior power without added bulk.
SYLJ LiFePO4 batteries are designed for customers needing a high-quality, durable, and energy-efficient battery for camping, 4WD vehicles, marine applications, and solar storage. These batteries can be charged with solar panels, offering twice the usable energy compared to lead-acid alternatives.
We accept sample orders for testing and evaluation.
Our standard warranty is 3-5 years, with options for extended coverage based on customer requirements.
Lead time depends on order quantity, typically around 30 days for large-scale production.
Express (3-15 days) – Ideal for urgent orders or small quantities.
Sea Freight (25-45 days) – Best for bulk orders.
Railway (15-35 days) – Suitable for bulk shipments to specific regions.
Our sales team will recommend the best shipping solution based on your order.
50% T/T deposit, 50% balance before shipment.
Other payment terms can be discussed based on order volume.
✅ 40% More Power than Lead-Acid Batteries
✅ 4000-15000 Lifecycles & 10-Year Lifespan
✅ 1/3 Lightweight & Compact Design
✅ Expandable System for Off-Grid & Outdoor Use
✅ Advanced BMS Protection for Safety & Stability
Upgrade to a Smarter, Longer-Lasting Energy Solution Today!
