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12V 300Ah Lithium Battery (Group 8D)
• Cell: LiFePO4
• MOQ: 50
• Delivery: 20 Days
• Customizable / OEM / ODM: Yes
• Factory: Redway, Dongguan, Guangdong, China
• Delivery Terms: FOB, EXW, CIF
• Payment: T/T, L/C, PayPal
• Sea / Air / Land Shipment: 10FT, 20FT, 40FT, 60FT
Description
The 12V 300Ah Lithium Battery (Group 8D) from Redway Power is a powerful and efficient energy solution designed for various applications. Featuring advanced LiFePO4 technology, this battery provides a nominal energy output of 3840Wh and a Battery Management System (BMS) for enhanced safety. Perfect for OEM/ODM and wholesale buyers, it offers customization options and reliable performance.
Key Features:
- High Capacity: Delivers a nominal capacity of 300Ah, ensuring ample power for off-grid applications and deep cycle use.
- Long Lifespan: Designed for over 4000 cycles at 80% Depth of Discharge (DOD), offering exceptional longevity and reliability.
- Robust Safety Features: Equipped with an intelligent BMS that protects against overcharge, over-discharge, and short circuits.
- Customizable Options: Available for OEM/ODM projects, allowing tailored specifications to meet your specific requirements.
- Versatile Applications: Ideal for RVs, marine use, solar energy systems, and other off-grid power solutions.
Product Description:
Introducing the 12V 300Ah Lithium Battery (Group 8D), a top-tier solution for energy storage and management. Utilizing high-quality LiFePO4 cells, this battery features a nominal voltage of 12.8V and an impressive energy capacity of 3840Wh, making it suitable for various demanding applications.
This battery is designed to perform under a wide range of conditions, with charging temperatures from 0°C to 60°C and discharging capabilities between -20°C and 65°C. Weighing just 25 kg, it combines lightweight construction with robust performance, ensuring efficient operation in any environment. The self-discharge rate is maintained at only 3% per month, allowing the battery to stay ready for use when needed.
Wholesale lithium golf cart batteries with 10-year life? Check here.
With a maximum continuous charge and discharge current of 200A, this battery is engineered to handle significant power demands effectively. The durable ABS casing provides fire-resistant protection while ensuring the battery’s longevity.
For OEM/ODM clients, we offer extensive customization options, including silk-screen labeling and user manuals. Our flexible delivery terms (FOB, EXW, CIF) ensure that your orders are processed promptly within 20 days.
Choose the Redway Power 12V 300Ah Lithium Battery (Group 8D) for unmatched performance, reliability, and versatility in your energy storage solutions. Elevate your power capabilities with our trusted batteries—your journey towards efficient energy starts here!
Specifications
Download 12V 300Ah Datasheet
Note: Our products are customizable, allowing customers to modify the main data according to their requirements.
| 12V300Ah | Specifications |
|---|---|
| Cell Type | LiFePO4 |
| Nominal Voltage | 12.8V |
| Nominal Capacity | 300Ah |
| Nominal Energy | 3840Wh |
| Charge Voltage | 14.6V |
| Discharge Voltage | 10V |
| Max. Continues Charge Current | 200A |
| Max. Continues Discharge Current | 200A |
| Dimensions [L x W x H] | 523 x 269 x 218 mm 20.6 x 10.6 x 8.6 in 8D |
| Weight | 25 kg 55 lb |
| IP Rating | IP65 (More request) |
| Series & Parallel | 4S20P |
| Max. Battery Parallel | 4P to 15.36kWh (More request) |
| Internal Resistance | ≤30mΩ |
| Cycle Life | >4000 cycles (DOD 80%) |
| Self-Discharge | 3% (Per month) |
| Charge Temperature | 0°C ~ 60°C 32°F ~ 140°F |
| Discharge Temperature | -20°C ~ 65°C -4°F ~ 149°F |
| Optional Functions | Bluetooth / WiFi / LCD / LED Touch Screen / RS485 / RS232 / CAN / 4G, 5G / GPS / APP |
| Charger | High current fast charger |
| BMS | Intelligent BMS protection |
| Terminal | M8 Bolts |
| Battery Case | ABS (Fireproof plastic) |
| Warranty | 3 Years |
| Silk-Screen / Label Printing | Yes |
| User Manual / Warranty Card | Yes |
| Customization / OEM / ODM | Yes |
| Shipment | Yes |
| Certifications | IEC, UN38.3, MSDS (More request) |
Applications and FAQs
Battery Specifications
What is the capacity of 12V 300Ah Group 8D battery?
The nominal capacity is 300Ah (3.6kWh) with actual usable capacity of 270-285Ah (90-95% DoD). These batteries deliver consistent 12V output under load, unlike lead-acid which suffers voltage sag.
Group 8D lithium battery dimensions and weight?
Standard dimensions are L20.7×W8.9×H9.8 inches (525×225×250mm). Weight averages 65-75kg - 60% lighter than comparable lead-acid models (typically 150-180kg).
What are the specifications of 12V 300Ah lithium batteries?
Key specs include 300Ah capacity, 5000+ cycles at 80% DoD, 1C continuous discharge (300A), and operating range of -20°C to 60°C. Most feature IP65 rating and built-in BMS.
Performance & Safety
Charging/discharging rates for 12V 300Ah Group 8D?
Charge rate is 0.5C (150A) standard, with some supporting 1C (300A). Discharge rate reaches 1C continuous (300A), with 2C pulse (600A) for 30 seconds. Built-in BMS prevents overcurrent damage.
Safety features in Group 8D lithium battery design?
Multi-layer protection includes short-circuit prevention, temperature monitoring, and cell balancing. Marine versions add waterproof casings and vibration-resistant mounting systems.
What is the lifespan of 8D lithium 12V 300Ah batteries?
Lifespan averages 10-15 years with 80% capacity retention after 4000+ cycles at 80% DoD. Calendar life exceeds 12 years with proper maintenance.
Pricing & Manufacturers
What is the price range for 12V 300Ah LiFePO4 batteries?
Wholesale prices range 900−1,800 depending on quality. Grade A cells with smart BMS cost 1,400+∗∗,whilebudgetoptionsstartat∗∗900. Bulk orders (10+) typically qualify for 10-25% discounts.
Which Chinese manufacturers produce 12V 300Ah LiFePO4?
Leading manufacturers include CATL, EVE Energy, and BYD. Specialized brands like Shenzhen Basen and DLG Battery offer OEM services with custom configurations.
How does China's 12V 300Ah LiFePO4 pricing compare globally?
China prices are 40-60% lower than US/EU equivalents. Korean and Japanese batteries cost 20-30% more for marginal quality improvements in BMS technology.
Applications & Compatibility
What devices are compatible with 8D lithium 12V 300Ah?
Ideal for large RVs, marine trolling, and off-grid solar. Handles 3000W+ inverters, electric winches, and commercial equipment. Replaces Group 8D lead-acid in all applications.
Applications for solar energy storage with these batteries?
Perfect for 5-10kWh solar systems, providing 8-12 hours backup. The high cycle life suits daily deep cycling, outperforming lead-acid 3:1 in solar applications.
How are 300Ah lithium batteries used in renewable energy systems?
Primary uses include solar storage, wind power buffering, and microgrid applications. Their wide temp range and low self-discharge (3%/month) excel in off-grid scenarios.
Certifications & Quality
Are these batteries certified for international standards?
Yes, reputable models meet CE, UL1973, and UN38.3 standards. Marine versions add DNV-GL, while solar needs IEC 62619. Always verify certificate authenticity.
What certifications do Chinese LiFePO4 battery manufacturers hold?
Essential certs include ISO 9001, IEC 62133, and UL 1973. Export models add MSDS and transport certifications. Premium suppliers maintain IATF 16949 for automotive-grade quality.
How to verify quality of 12V 300Ah LiFePO4 China suppliers?
Request cycle test reports, factory audit videos, and third-party inspections. Check 3+ years production history and verify export records through shipping databases.
Maintenance & Comparisons
How to maintain a 12V 300Ah 8D lithium battery?
Store at 50% charge when idle, avoid extreme temps, and clean terminals annually. No watering or equalization needed - the BMS auto-maintains cell balance.
Group 8D lithium vs lead-acid battery performance?
Lithium provides 3x lifespan, 5x faster charging, and 50% weight reduction. Unlike lead-acid, it maintains stable voltage under load and allows 100% DoD without damage.
Pros and cons of 8D lithium vs AGM batteries?
Lithium advantages: Lighter weight, longer life, faster charging. AGM benefits: Lower upfront cost, wider temp range (-40°C), no BMS required. Lithium wins for frequent cycling applications.
