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Product photo from AmazonASIN B000O1WN78 · Wayne
Best Backup Battery · Sump Pumps
Wayne Maintenance Free Standby Battery for Backup Sump Pumps (WSB1275)
“The Wayne WSB1275 is the recommended battery for Wayne sump backup systems including the WSS30VN and Basement Guardian.”
$276.62List $289.99−5%save $13
5% below Amazon's list price. No end time published, so it can change at any time.
In stock at Amazon.com · price checked Sep 24, 8:08 AM PT · re-checked through the day
Paid link. Prices, badges and end times come from Amazon and can change at any time; the price shown on Amazon at checkout is the one that applies.
Why it's worth it
Its 75Ah sealed design delivers extended backup runtime during power outages without any maintenance requirements.
From our review of 8 sump pumps, by David Sinclair, Managing Editor
What we like
- +75Ah sealed battery arrives fully charged with carry handles for easy installation
- +Maintenance-free sealed design requires no electrolyte refills or water top-offs
- +Compatible with Wayne ESP25, WSS30VN, and Basement Guardian backup systems
- +Sealed 12V construction resists corrosion in damp basement environments
What to know
- –Battery component only — requires a compatible Wayne backup pump to form a complete system
- –$276.99 is a significant investment for a single battery
- –Sealed battery cannot be reconditioned; must be replaced as capacity degrades
How it ranks in our lineup
Every product from The Best Sump Pumps, by David Sinclair, with today's Amazon price. Deals are only ever on products from this list.
| # | Product | Our award | Price now | Deal |
|---|---|---|---|---|
| 1 | Zoeller M53 Mighty-mate Submersible Sump Pump, 1/3 Hp | Top pick | $213.08 | no deal today |
| 2 | WAYNE CDU980E 3/4 HP Submersible Sump Pump – Cast Iron & | Runner-up | $211.78 | no deal today |
| 3 | Liberty Pumps 287 1/2-Horse Power 1-1/2-Inch Discharge | Upgrade pick | $323.25 | no deal today |
| 4 | Wayne WSB1275 75Ah Maintenance-Free Battery RecommendedThis deal | — | $276.62 | −5% today |
| 5 | Basement Watchdog BWSP 1730 Gallons Per Hour Basement | — | $572.29 | no deal today |
| 6 | Superior Pump 91250 1800GPH Thermoplastic Submersible | Budget pick | $62.49 | no deal today |
| 7 | Pentair Flotec FPSE3200A Thermoplastic Sewage Pump 4/10 HP | — | $304.95 | no deal today |
| 8 | Zoeller 267-0006 M267-25 2-inch Sump Pump with 25 foot | — | $523.48 | no deal today |
Deal details
- Deal badge
- Below list price
- Ends
- No end time published
- Who can buy
- All customers, not Prime-exclusive
- Savings basis
- 5% below Amazon's list price of $289.99
- Availability
- In stock
- Price checked
- Sep 24, 8:08 AM PT, refreshed through the day
- Reader interest
- New to our readers this month
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