VTOMAN

FlashSpeed 1500

★ 4.5 · LiFePO4 · Released 2024
$799
Check Price on Amazon Official VTOMAN site
VTOMAN FlashSpeed 1500
Capacity
1.5 kWh
Output
1,500W
Solar
400W
Weight
18.6kg
Value
$0.52/Wh

SunSee Take

The VTOMAN FlashSpeed 1500 delivers 1.5 kWh of LiFePO4 storage with 1500W continuous output. At $0.52/Wh it sits in the competitive tier. With 3,000 rated cycles, expect 8+ years of daily use. Suitable for RV, van, or garage storage. Portability index: 83 Wh/kg.

Pros

  • +Excellent value per Wh
  • +1500W output
  • +UPS function

Cons

  • −Lesser known brand
  • −Heavier than EcoFlow equivalent

Best For

Home Backup RV & Van Life Outdoor Work

Full Specifications

Last verified: 2026-07
Battery Capacity 1,548 Wh
Battery Chemistry LiFePO4
AC Output (Continuous) 1,500W
AC Output (Surge/Peak) 3,000W
Max Solar Input 400W
Weight 18.6 kg (41.0 lbs)
Cycle Life 3,000 cycles to 80%
AC Charge Time (0→100%) 1.5h
Price per Wh $0.52
Portability (Wh/kg) 83 Wh/kg
VTOMAN FlashSpeed 1500
1.5 kWh · 1500W · LiFePO4
Check Price → Official VTOMAN site →

How long will the FlashSpeed 1500 run common devices?

With 1.5 kWh usable, here's roughly what this covers. See full runtime tables:

Refrigerator CPAP Space Heater Starlink All appliances →

Not sure if this is the right size?

Our calculator tells you exactly what capacity you need based on your appliances.

Size My System

Affiliate Disclosure: Links on this page may be affiliate links. If you purchase through these links, SunSee may earn a commission at no extra cost to you. Learn more.

Specifications sourced from VTOMAN'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 VTOMAN.