BLUETTI

AC500 + B300S

★ 4.6 · LiFePO4 · Released 2023
$3,999
Check Price Amazon
BLUETTI AC500 + B300S
Capacity
3.1 kWh
Output
5,000W
Solar
3000W
Weight
60kg
Value
$1.30/Wh

SunSee Take

The BLUETTI AC500 + B300S delivers 3.1 kWh of LiFePO4 storage with 5000W continuous output. At $1.30/Wh it sits in the premium tier. With 3,500 rated cycles, expect 9+ years of daily use. Best kept stationary — this is a home backup unit. Portability index: 51 Wh/kg.

Pros

  • +5000W whole-home power
  • +Expandable to 18kWh
  • +Modular design

Cons

  • −Extremely heavy
  • −Very expensive
  • −Requires B300S batteries

Best For

Off-Grid Living Home Backup

Full Specifications

Last verified: 2026-07
Battery Capacity 3,072 Wh
Battery Chemistry LiFePO4
AC Output (Continuous) 5,000W
AC Output (Surge/Peak) 10,000W
Max Solar Input 3000W
Weight 60 kg (132.3 lbs)
Cycle Life 3,500 cycles to 80%
AC Charge Time (0→100%) 2.5h
Price per Wh $1.30
Portability (Wh/kg) 51 Wh/kg
BLUETTI AC500 + B300S
3.1 kWh · 5000W · LiFePO4
Check Price → Amazon →

How long will the AC500 + B300S run common devices?

With 3.1 kWh usable, here's roughly what this covers. See full runtime tables:

Refrigerator CPAP Space Heater Starlink All appliances →

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Specifications sourced from BLUETTI's official product page. MSRP as of 2026-07. Actual prices may vary by retailer and region. SunSee is an independent platform and is not affiliated with BLUETTI.