Can these batteries be connected together?

Yes, 12V Lithium batteries can be connected two in parallel to double the Amphours or two in series to make 24V. They can be connected in parallels and series for larger capacity (Max 1200Ah) and higher voltage (24V, 36V, 48V).

What is the cycle life of this battery?

Our rechargeable battery provides 4000-15000 cycles (10 times longer) & a 10-year lifetime compared to 200-500 cycles & a 3-year lifetime in lead acid battery.

Premium 12V Deep Cycle Battery for Rvs and Marine Applications

Name: Premium 12V Deep Cycle Battery for Rvs and Marine Applications
Brand: Shenyang Lanjian Technology Co., Ltd
SKU: 1984998852

Liaoning, ChinaShenyang Lanjian Technology Co., Ltd

US$774.00

5-199 Pieces

US$667.00

200+ Pieces

Sample price:US$886.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

12V300Ah

Rechargeable

Chargeable

Discharge Rate

Medium Discharge Rate

Size

Large

Accessories Type

Battery

Rated Capacity

>1000MAH

Standard Voltage

>12V

Usage

Remote Control Boat, Remote Control Plane, Remote Control Car

Electrolyte

Li-ion

Certification

CE/Un38.3/CB, RoHS

Color

Black/Customization

Transport Package

20.47 X 10.59 X 8.66 Inches

Specification

12.8V300Ah LiFePo4 Battery

Trademark

OEM

Origin

China

HS Code

8506500000

Production Capacity

500000

Key features

Long Cycle Life: 4000-15000 deep discharge cycles, lasting up to 10 years.

Lightweight Design: 1/3 the weight of lead-acid batteries, 50% lighter and 30% smaller.

High Capacity: 300Ah capacity, 40% more powerful than same-size lead acid batteries.

Smart BMS Monitoring: Built-in DALY BMS with Bluetooth app for real-time monitoring and protection.

Safe Chemistry: LiFePO4 technology, non-toxic, no fumes, safe for indoor storage.

Flexible Configuration: Connectable in series/parallel for up to 1200Ah capacity and 48V voltage.

Wide Application: Ideal for RVs, marine, off-grid solar, camping, and home backup power.

Customizable Color: Available in Black or customized colors based on customer requirements.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceR&D CapabilitiesImporters and Exporters

Shenyang Lanjian Technology Co., Ltd

Liaoning, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.38h

AI-Powered supplier vetting

SummaryThe supplier is a factory based in Shenyang, China, involved in the sales of mechanical equipment and various products. It has a significant export focus, contributing to 90% of its sales, but lacks in-stock service capacity and overseas infrastructure. The supplier participates in trade shows and offers OEM and ODM services, showing some strength in customization. However, its R&D efforts seem limited with no new products in the past year. Financial credibility is indicated by consistent records over the past three years. While the supplier has procedures for handling customer complaints, it lacks formal service capability assessment and quality control infrastructure.

Supplier typeThe supplier is a factory located in Shenyang, China, engaged in wholesale and retail trade.

Financial creditFinancial records are available for the last three years indicating some level of financial credibility.

R&D capabilityThe supplier lacks R&D innovation, with no new product development or SDK availability in the past year.

Customization capabilityThe supplier provides customization options through designs and offers ODM services.

Product Q&A

Q:What is your MOQ (Minimum Order Quantity)?

Sample order for testing is available.

Q:What is the warranty term of your product?

Standard warranty term is 3-5 years. Besides, warranty is extending available according to customers' requirements.

Q:What about the lead time of bulk order?

It depends on the order quantity. Normally, the lead time is around 30 days.

Q:What shipping method can I choose? How about the shipping time?

By Express (3-15 days): suitable for urgent time or small quantity; By Sea (25-45 days): suitable for bulk order. By Railway (15-35 days): Suitable for bulk order. Our sales person will recommend the most suitable solution to you according to your detailed order and situation.

Q:What is the payment term of the order?

T/T 50% as deposit, T/T 50% before shipment, other payment terms can be discussed according to the order quantity.