Miumoon
Miumoon 1500W Primary Sump Pump Backup System
$172.99
Reference price as of 2026-09-01 — check Amazon for the current price and stock.
A budget-friendly backup inverter for homeowners with one small-to-medium primary sump pump who are supplying their own deep-cycle battery.
Full spec sheet
| Key specs | |
| Brand | Miumoon |
| Price | $172.99 |
| Capacity | — |
| Continuous output | 1500 W |
| Peak / surge output | — |
| Weight | 9 lb |
| Battery chemistry | — |
| Dimensions (L x W x H) | — |
| Includes solar panel | No |
| Use cases | Home |
| Other verified specs | |
| Max output current | 13.6A |
| Built-in charger | 20A |
| Pump support | Single or dual pump |
| Protections | Overheat, short circuit, low voltage, overcharge |
| Battery included | No |
| Price note | No live manufacturer price found; estimated from comparable listings |
Pros
- Automatically switches to battery power the instant grid power drops, keeping the pump running
- Built-in 20A charger keeps a connected deep-cycle battery topped off and ready
- LCD display shows battery and pump status at a glance
- Supports single or dual sump pump configurations
Cons
- Battery sold separately — a real added cost on top of the unit price
- 13.6A max output caps it to smaller 1/3-1/2 HP pumps
- No app, WiFi, or remote notifications
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