Why it matters
The ML75-12 is a 12 V 75 Ah group 24 AGM battery, listed as a replacement for the Wayne ESP25 backup pump. It's sealed and maintenance free, can mount in any position and resists shocks and vibration.
The listing includes the battery and screws only, with no wiring harness. It has a one-year warranty.
Who it's for, and who should skip it
Good fit if
- Budget backup owners
- Replacing an aging battery
Look elsewhere if
- Owners who want the backup maker's own battery
- Systems needing a different group size
Pros and cons
Pros
- Lower price
- Maintenance free
- Group 24 size
Cons
- No harness included
- One-year warranty
- Check terminal type
Limitations to weigh
- Charge and check backup batteries on the backup maker's schedule; most last three to five years.
Specifications
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Voltage | 12 V | Retailer |
|---|---|---|
| Battery type | Lead Acid | Retailer |
| Product weight | 50 lb | Retailer |
| Dimensions (seller) | 10.24"D x 6.61"W x 9.06"H | Retailer |
| Model number | ML75-12198458534143 | Retailer |
| Warranty | 1 Year Manufacturers Warranty | Retailer |
Alternatives worth comparing
More sump pump accessories we cover
Final verdict
A sensible value battery if the size and terminals match.
Where to buy
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Questions buyers ask
What size is the ML75-12?
Group 24, 10.24 x 6.61 x 9.06 in.
Is it maintenance free?
Yes, it's a sealed AGM battery.