Bluetti  ·  Batteries

SKU: BLUETTI-B4810

BLUETTI B4810 LiFePO4 Battery

Unlock high-efficiency, cold-weather-ready power with the BLUETTI B4810 LiFePO4 Battery — a modular 5.1kWh lithium battery built for off-grid living, mobile power setups, and reliable home backup.

Regular price
$1,699.00
Sale price
$1,699.00
Regular price
$2,123.75
You save $424.75
Pay over time at checkout.
Orders processed in 24–48 hours
30-day returns
Lifetime support by phone, chat & email
Full manufacturer warranty

Questions before you buy?

Call 877-242-2792 and we’ll work it out with you. Mon–Thu 10am–5:30pm, Fri 10am–1pm EST.

Trusted by 50,000+ Customers powered since 2018
Lifetime Support Phone, email or live chat, for good
Price Match Found it cheaper? Tell us
Ships from the USA Warehouses in CA, TX and NY

Frequently bought together

Specifications

The details.

Unlock high-efficiency, cold-weather-ready power with the BLUETTI B4810 LiFePO4 Battery — a modular 5.1kWh lithium battery built for off-grid living, mobile power setups, and reliable home backup.

With a compact, lightweight design and self-heating tech, it outperforms bulky lead-acid systems — charging faster, lasting longer, and performing better, even below freezing. Whether you're building a scalable solar system or upgrading your RV or cabin power, the B4810 is ready.

Key Features & Benefits:

  • Massive Capacity – 5,120Wh (51.2V, 100Ah) of dependable, high-output energy

  • Self-Heating Tech – Auto-regulates temperature for charging below freezing

  • Long Life – Up to 6,000 cycles at 70% capacity for extended performance

  • Modular & Expandable – Supports up to 122.88kWh (24 batteries) for custom energy setups

  • Smart App Control – Monitor voltage, SoC, and temperature via Bluetooth

  • Flexible Charging – Recharge via solar, AC power, or generator

  • Compact & DIY-Friendly – Weighs just 101 lbs and installs easier than lead-acid units

  • Rugged & Reliable – IP65 rated for dust and water resistance

  • Certified Safe – Backed by MSDS, UL, FCC, CE, RoHS certifications

  • Peace of Mind – Includes a 5-year manufacturer warranty

Perfect for solar-powered homes, RVs, boats, cabins, and emergency backup setups, the B4810 delivers smart, scalable power for true energy independence.

 

Model
B4810
Battery Capacity
5,120Wh (51.2V, 100Ah)
Battery Type
LiFePO4 (Lithium Iron Phosphate)
Cycle Life
6,000 cycles @ 70% capacity
Charge Current
50A (Recommended) 100 A Max.
Discharge Current
100A Max.
Peak Discharge Current
200A @ 30 s
Cell Temperature Protection
Charging: <-1°C or >61°C (<30°F or >142°F), Discharging: <-21°C or >61°C (<-5.8°F or >142°F),
Weight Approx.
101.4lbs (46kg)
IP Rating
IP65
Operating Temperature
Charging: -20°C to 55°C (-4°F to 131°F) Discharging: -20°C to 55°C (-4°F to 131°F)
Storage Temperature
Up to 1 month: -20°C to 40°C (-4°F to 104°F) Up to 6 months: -20°C to 25°C (-4°F to 77°F)
Dimensions (L × W × H)
23.94 × 14.96 × 5.71in (608 × 380 × 145mm)
Max. Expansion (Parallel & Series)
122.88kWh (24P) 51.2V, 2,400Ah
Certifications
MSDS, UN38.3, FCC, CE, RoHS, UL
Warranty
5 Years