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12.8V 305Ah LiFePO4 RV Battery – Deep Cycle Solar for Motorhomes & Off-Grid

Power your adventures with reliable 12.8V 305Ah deep-cycle energy for RVs and off-grid living.

Built with safe LiFePO4 technology for long-lasting performance and maintenance-free operation.

Description

ELECTRICAL SPECIFICATION
Nominal Voltage 12.8V
Nominal Capacity 305AH
Stored Energy 3904Wh
Resistance <20mΩ
Self Discharge Rate <3% per Month
Maximum Continous Charge Current ≤200A
Maximum Continous Discharge Current ≤100A
Charge Cut-off Voltage 14.6 V
Discharge Cut-off Voltage 10.8 V
Cycle life(25°C) >6000 times@100%DOD

 

MECHANICAL SPECIFICATIONS
Dimensions (mm) L1000×W85×H300(mm)
Weight 48KG
Communication RS485/RS232/CAN/Bluetooth APP
Case Material Sheet metal case
Cell Type LiFePO4 cell

 

TEMPERATURE SPECIFICATIONS
Discharge Temperature -10~55℃
Charge Temperature 0~55℃
Storage Temperature -10 ~ 45 °C

 

OTHERS SPECIFICATIONS
 Protection Function Overcharge, overdischarge, short circuit, high and low temperature protection
Life Expectancy (years) 10 years at one cycle per day

 

The Certification that ELB Got:
ELB Battery certification
ELB Battery certification

 

Check details in ELB certification center.

Core Product Features

  • High Capacity – 305Ah for extended power supply.

 

  • LiFePO4 Technology – Safe, stable, and long-lasting.

 

  • Deep Cycle Design – Ideal for RV and off-grid use.

 

  • 12.8V Standard Voltage – Compatible with most systems.

 

  • Maintenance-Free – No need for regular upkeep.

 

  • Lightweight Build – Easier to install and transport.

 

  • Wide Temp Range – Reliable performance in various climates.

 

  • 10-Year Lifespan – Built for long-term value.

FAQs

Q1: Can I order samples before bulk purchase?
A: Yes. We provide 1-10pcs samples for quality verification.

Q2: What is the production timeline?
A:Samples: 7-10 days

    Mass production: 20-30 days (scales with order volume)

Q3: How is shipping handled?

Method Delivery Time Best For
DHL/UPS/FedEx 7-10 days Samples/Urgent Orders
Sea Freight 20-40 days Bulk Shipments

Q4: What’s the ordering process?

  1. Share requirements → 2. Receive quote → 3. Confirm sample → 4. Pay deposit → 5. Production → 6.Pay remaining balance→ 7.Delivery

Q5: Can I add custom branding?
A: Yes. Submit logo/design before production for approval.

Q6: What is the lifespan?
A: 6,000 cycles at 80% DoD

10-year service life (1 cycle/day)

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Support

DEDICATED FACTORY SUPPORT

ELB Energy Group is the leading supplier and manufacturers of lithium ion batteries situated in China. This guide is mainly focused on products that the lithium ion battery company is producing and supplying to their target customers. The company is known for providing OEM and ODM lithium batteries to potential clients and customers.

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Approvals-And-Certification

DOWNLOAD TEH ELB PRODUCT BROCHURE AND SPEC

THE ELB BRAND PROMISE

HIGH QUALITY LOGO

QUALITY

4000 TIMES CYCLES 10 YEARS DESIGN LIFESPAN

CERTIFICATION LOGO

CERTIFICATION

ISO9001,ISO14001, OHSAS18001, CE, CB, UL, KC, FCC, BIS, IEC62133.

SERVICE LOGO

SERVICES

EXW, FOB, DAP, DDP OPTIONAL
T/T, L/C OPTIONAL

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