Westinghouse
Westinghouse 12V 75Ah AGM Sump Pump Battery
$229.99
Reference price as of 2026-08-24 — check Amazon for the current price and stock.
The straightforward replacement or upgrade battery for anyone running a 12V sump-pump or emergency inverter backup system who wants a safe, spill-proof AGM battery.
Full spec sheet
| Key specs | |
| Brand | Westinghouse |
| Price | $229.99 |
| Capacity | 900 Wh |
| Continuous output | — |
| Peak / surge output | — |
| Weight | 48.5 lb |
| Battery chemistry | AGM Sealed Lead-Acid |
| Dimensions (L x W x H) | — |
| Includes solar panel | No |
| Use cases | Home |
| Other verified specs | |
| Amp-hour rating | 75Ah |
| Chemistry | AGM Sealed Lead-Acid, non-spillable |
| Made in | Vietnam |
| Compatible with | Most 12V battery backup sump pump systems |
Pros
- Maintenance-free sealed AGM — safe for indoor and basement installation
- Non-spillable construction, drop-in replacement for most 12V backup sump pump systems
- Includes carry handles for easier installation
- Reputable brand backing for a component that fails silently if it's bad
Cons
- Heavy at roughly 48+ lb, awkward to carry alone
- Lead-acid AGM has shorter cycle life than lithium alternatives
- Needs a compatible charger/inverter system, sold separately
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