What is the self-discharge rate?

The battery has a low self-discharge rate of less than 3% per month.

Does the battery support series connection?

Yes, it supports series connection of up to 4 PCS to reach 48V.

12V 400ah Deep Cycle Rechargeable off-Grid Solar Power Storage RV Lithium Ion LiFePO4 Battery

Name: 12V 400ah Deep Cycle Rechargeable off-Grid Solar Power Storage RV Lithium Ion LiFePO4 Battery
Brand: Shenzhen Elite New Energy Co., Ltd.
SKU: 1937990035

Guangdong, ChinaShenzhen Elite New Energy Co., Ltd.

US$799.99-899.99

1 Piece

Product profile

Customization

Available

Type

Lithium-Ion Batteries

Usage

Car, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat, Solar System, EV

Model NO.

12V 400ah

Nominal Voltage

12V

Discharge Rate

High Discharge Rate

Shape

Square Battery

Electrolyte

Li-ion

Installation

Packaged

Rechargeable

Chargeable

Capacity

5120wh

Certification

CE/RoHS/Un38.3/MSDS

Self Discharge Rate

<3%

Weight

40kg

Warranty

3 Years

Cycle Life

2000-5000 Times

Bluetooth

Optional

Display Screen

Optional

Series Connect

Max 4 PCS to 48V

Transport Package

Carton Box

Specification

450*230*250mm

Trademark

Elite/OEM

Origin

Guangdong, China,

HS Code

8507600090

Key features

High Cycle Life: Over 2000 cycles at 1C 100% DOD, lasting 6-8 times longer than lead acid batteries.

Advanced Safety Features: Built-in PCM/BMS with CE and UL approvals ensures maximum protection against hazards.

Low Self-Discharge Rate: Retains charge effectively with a monthly self-discharge rate of less than 3%.

High Energy Capacity: Delivers 5120Wh energy with a nominal voltage of 12.8V and 400Ah capacity.

Optional Smart Features: Bluetooth connectivity and display screen available for real-time monitoring.

Lightweight Design: Compact size and 40kg weight, offering half the size and weight of lead acid equivalents.

Fast Charging Capability: Supports max charge current of 100A with 100% charge efficiency at 0.5C.

Company profile

Experienced TeamOverseas WarehouseR&D CapabilitiesProduct Certification

Shenzhen Elite New Energy Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2019-05-01Nearest Port: YantianAverage Response Time: ≤3.00hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP

AI-Powered supplier vetting

SummaryThe supplier develops, sells, and provides technical services for photovoltaic power supplies, UPS products, batteries, energy storage systems, battery management systems, protective panels, positioning systems, chargers, and related electronic products. It reports extensive customization and ODM/OEM capabilities, recent new-product activity, documented R&D processes, and four R&D engineers with 11–20 years of total experience. Manufacturing information includes a Dongguan factory, stated 1 GWh annual production capability, 100,000 LiFePO4 battery packs of annual output, ISO9001/ISO14001/ISO45001 certification, and RoHS, CE, BIS, MSDS, and UN38 compliance. It exports to multiple global regions and has inventory and overseas warehouse capabilities. However, several quality-control details are unknown, test equipment quantity is stated as zero, no SDK is available, and no overseas showroom is maintained. Financial credibility and customer-case depth cannot be fully assessed from the provided information.

Supplier typeThe supplier is a manufacturer and technical-service provider covering photovoltaic power supplies, UPS products, batteries, energy storage systems, battery-management systems, and related electronic products. Its stated Dongguan factory, subsidiaries in the United States and Czech Republic, and reported 1 GWh annual production capability indicate a manufacturing-oriented supplier rather than only a trading intermediary.

CertificationsThe supplier states that it is certified to ISO9001, ISO14001, and ISO45001 and complies with RoHS, CE, BIS, MSDS, and UN38 requirements. These stated certifications and compliance documents provide explicit evidence of certification coverage relevant to quality, environmental, occupational-safety, and battery/product compliance.

After-Sales capabilityTechnology engineers are responsible for technical support for after-sales service, and the supplier reports clear, followed procedures and records for handling customer complaints. It also reports inventory capacity and overseas warehouse capability, although quality assurance and product traceability statuses are unknown.

R&D capabilityThe supplier reports new products within the past year, ODM services, multiple R&D design-input/output/review/verification/validation records, and four R&D engineers, while total R&D-engineer experience is stated as 11–20 years. However, no SDK is available, so the evidence supports product-development capability but not SDK-based integration capability.

Production capacityThe supplier states a Dongguan factory with 1 GWh annual production capability, annual output of 100,000 LiFePO4 battery packs, inventory capability, and overseas warehouse services. It also reports zero quality-control test equipment and unknown quality-assurance and traceability statuses; therefore, manufacturing scale is evidenced, but production-control infrastructure has material gaps in the available data.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. These repeated statements directly demonstrate broad customization coverage.