Yunfan Factory Direct 12.8V 300Ah Lithium Iron Phosphate Battery 5000 Cycles Off

Yunfan YF12V300Ah-LAS is a 12.8V 300Ah lithium iron phosphate battery pack designed as a direct replacement for traditional 12V lead-acid batteries. It addresses common issues with lead-acid power cells such as short cycle lifespan, regular maintenance requirements, acid leakage, and unstable low-temperature output.

Equipped with a full-function intelligent BMS, it provides multi-layer protection against overcharge, over-discharge, and overcurrent, plus automatic cell balancing to extend service life. The sturdy ABS+PC shell with IP55 dust and water resistance ensures stable operation from -20℃ to 60℃, achieving over 5000 cycles under standard 0.3C working conditions.

With UN38.3 and MSDS transport certifications, it is widely applied in off-grid solar systems, RV power supply, and UPS standby power scenarios. Yunfan factory provides full OEM & ODM customization for global solar distributors and engineering partners.

• Safe LiFePO4 Cell Material: Lithium iron phosphate cells feature stable thermal performance, effectively avoiding leakage and thermal risks present in traditional lead-acid batteries.
• All-Round Intelligent BMS Protection: Real-time cell monitoring activates multi-level safety protection; automatic cell voltage balancing reduces performance attenuation during long-term cyclic use.
• Direct Lead Acid Drop-In Replacement: Consistent outer dimensions with standard 12V lead acid batteries, requiring no cabinet modification for quick retrofit installation.
• IP55 Dustproof & Waterproof Composite Shell: Durable ABS+PC casing blocks dust and moisture intrusion, suitable for indoor equipment rooms and semi-outdoor installation environments.
• Ultra-Long Cycle Service Life: More than 5000 complete charge-discharge cycles under standard 0.3C rate, significantly lowering long-term equipment replacement costs.
• Wide Temperature Adaptive Output: Maintains stable discharge performance at -20℃ low temperature, fitting all-season indoor and mild outdoor power supply demands.

As a professional lithium energy storage battery manufacturer, Yunfan provides full tailored solutions for global equipment distributors and EPC engineering partners:

• Adjust voltage, capacity and current parameters to match different off-grid solar and backup equipment power standards
• Custom brand nameplate, shell printing and terminal wiring layout on ABS+PC casing
• Modify internal BMS protection thresholds to fit special industrial load equipment
• Custom export carton printing and shipping marks for brand distributors
• Support small trial batch orders and flexible mass production delivery schedules

• Pre-sales technical matching: Yunfan professional engineers provide battery system matching consultation within 24 hours for bulk and project orders.
• Strict full production inspection: Every finished battery pack passes charge-discharge aging and safety function testing before delivery, batch test reports available on request.
• Remote video troubleshooting for installation, wiring and abnormal power output issues.
• Complete UN38.3 and MSDS certification documents to smooth global sea and air customs clearance.
• Long-term technical upgrade support for updated energy storage and backup equipment models.

Packing: Single battery wrapped with shockproof foam inside reinforced export cartons; wooden case packaging available for bulk orders to avoid collision deformation during transit. All packages attach standard battery hazard labels for customs inspection.

Shipping: Complete dangerous goods certification documents support sea freight, air freight and international cargo delivery. Logistics tracking number will be sent after dispatch, Yunfan sales team follows shipment progress until goods receipt.