• LFP50-12.8 best lifepo4 12 volt 50ah lithium battery for rv

LFP50-12.8 rv lithium battery 50ah 12.8v lifepo4 drop-in

Lead-to-Lithium Battery Upgrade | 12.8V 50AH | 640Wh | Drop-in Replacement

SKU: LFP50-12.8 Category:

GRANKIA LFP50-12.8 RV lithium battery is a 12.8V 50Ah LiFePO4 drop-in replacement designed for RV power systems. It offers long cycle life (6000+ cycles), lightweight design, built-in BMS protection, and seamless compatibility with lead-acid battery setups—making it an ideal upgrade for reliable off-grid and mobile energy storage.

As a premium 12.8V 50Ah lithium battery drop-in solution, this battery offers a seamless replacement for traditional lead-acid or AGM batteries. This battery delivers superior safety by integrating advanced Lithium Iron Phosphate (LiFePO4) chemistry. It offers a longer cycle life. It ensures consistent power output, making it the ideal choice for modern off-grid adventures.

LFP50-12.8 rv lithium battery 50ah 12.8v lifepo4 drop-in

What is the LFP50-12.8 RV Lithium Battery?

The LFP50-12.8 RV lithium battery is a compact and high-performance LiFePO4 battery. It is engineered specifically for recreational vehicles (RVs). This includes camper vans and mobile power systems.

Unlike traditional lead-acid batteries, this rv lithium battery 50Ah 12.8V provides:

  • Stable voltage output
  • Faster charging efficiency
  • Deep cycle capability
  • Maintenance-free operation

It is a true drop-in replacement, meaning you can upgrade your RV battery system without modifying your existing setup.

50AH Lithium Battery Features

True Drop-In Replacement

  • Compatible with AGM, GEL, and SLA batteries
  • No wiring or system redesign required
  • Plug-and-play installation

Long Cycle Life (6000+ Cycles)

  • 5–10x longer lifespan than lead-acid batteries
  • Reduces total cost of ownership

Lightweight & Compact

  • Up to 50% lighter than traditional batteries
  • Ideal for RVs where weight matters

Built-In Smart BMS Protection

  • Overcharge protection
  • Over-discharge protection
  • Short circuit protection
  • Temperature control

High Efficiency Energy Storage

  • 95% usable capacity
  • Fast charging capability
  • Stable discharge performance

Typical Applications

  • Solar energy storage systems

  • RVs, campers, and marine power

  • Backup power for home and office

  • Electric scooters, wheelchairs, and mobility devices

  • Portable power stations and off-grid solutions

Technical Specifications

Parameter Value
Model LFP50-12.8
Battery Type LiFePO4 (Lithium Iron Phosphate)
Nominal Voltage 12.8V
Capacity 50Ah
Energy 640Wh
Cycle Life 6000+ cycles
Charging Voltage 14.4V – 14.6V
Discharge Cut-off 10V
Weight 5.75 kg
Protection Built-in BMS

Applications

The versatility of the LFP50-12.8 extends beyond just RVs. It is a robust power source for:
  • Recreational Vehicles & Campers: Powering lights, water pumps, and small appliances.
  • Marine & Boats: Trolling motors and onboard electronics.
  • Solar Energy Storage: Storing energy generated by solar panels for off-grid use.
  • Backup Power: UPS systems and emergency lighting.

Why Upgrade to an RV Lithium Battery?

Switching to a rv lithium battery like the LFP50-12.8 provides significant advantages:

Longer Lifespan

No need for frequent battery replacement.

Faster Charging

Recharge in a fraction of the time compared to lead-acid batteries.

Deep Discharge Capability

Use up to 90–100% of capacity without damage.

Maintenance-Free

No water refilling or corrosion issues.

Frequently Asked Questions (FAQ)

1. Can I replace my lead-acid battery with this RV lithium battery?

Yes. The LFP50-12.8 is a drop-in replacement, compatible with most 12V systems.

2. How long does a 50Ah RV lithium battery last?

It can last 6000+ cycles, equivalent to 8–10 years depending on usage.

3. Is this LiFePO4 battery safe for indoor use?

Absolutely. It uses LiFePO4 chemistry and includes a built-in BMS. This makes it safe for indoor installations within your RV or camper. It emits no harmful fumes.

4. Can I use this 12.8V lithium battery for my solar system?

Yes, the LFP50-12.8 is an excellent lithium battery for solar storage. It efficiently stores energy from solar panels and handles the variable charging currents typical of solar setups.

 

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Model LFP50-12.8
Electrical Characteristics
Rate voltage(VDC) 12.8
Rate capacity(AH) 50
Energy storage(WH) 640
Cycle life 6000 cycles @80% DOD, 0.5C
Months self discharge ≤2%
Charge
Charge voltage (VDC) 14.6-15.2
Charge current (A) 10
Max. charge current(A) 50
Charge cut-off voltage(VDC) 14.6±0.2
Discharge
Discharge current (A) 25
Max. discharge current (A) 50
Discharge cut-off voltage(VDC) 10
Environment
Charge temperature 0 ℃ to 45℃ @60±25% RH
Discharge temperature -20 ℃ to 60℃ @60±25% RH
Storage temperature 0℃ to 40 ℃  @60±25% RH
Mechanical
IP class IP20
Chemistry Lithium Iron Phosphate (LiFePO4)
Case material ABS
Dimensions L*W*H(mm) 229x138x216