

🔋 Power up your gear with confidence — never miss a start!
The EnerSys Genesis NP4-12 is a compact, sealed lead acid battery delivering 12 volts and 4 amp hours of reliable, maintenance-free power. Featuring a 0.187 Fast-on connector for quick installation, it’s spill-proof, rechargeable, and engineered to resist shocks and vibrations. Ideal for power tools and lawn equipment, it comes backed by a full one-year warranty, ensuring dependable performance wherever you need it.
| ASIN | B000LDIJ72 |
| Amperage | 4 Amps |
| Antenna Location | Power Tool |
| Battery Capacity | 4 Amp Hours |
| Battery Cell Composition | Lead Acid |
| Battery Cell Type | Lead Acid |
| Battery Weight | 4 Pounds |
| Best Sellers Rank | #26,135 in Automotive ( See Top 100 in Automotive ) #69 in Powersports Batteries |
| Brand | Enersys |
| Compatible Phone Models | All |
| Customer Reviews | 4.7 out of 5 stars 1,914 Reviews |
| Item Dimensions | 3.54 x 2.76 x 4.17 inches |
| Item Weight | 3 Pounds |
| Manufacturer | Enersys |
| Model Name | ENP4-12ALT2451 |
| Model Number | ENP4-12ALT2451 |
| Number of Batteries | 1 12V batteries required. |
| Recommended Uses For Product | Power Tool |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 12 Volts |
| Warranty Description | 1 Year Manufacturers Warranty |
A**R
Good fit and price
Worked well. Fitted in my lawnmower.
C**.
Perfect!
Exactly as described. This is the battery for my push button start lawn mower. Repair shop wanted to charge $189 and basically would recharge old battery. Also bought the charger now the mower will always start.
D**H
Easy to install
Great battery, holds charge for an extended period of time, plug and play installation.
B**B
got this battery for my old push lawnmower. It works great.
Used it for my self starting push lawnmower. Great price compared to other places.
D**O
worked perfectly
I used the to replace the battery on my alarm system at my bar, easy install perfect fit. couldn't be happier!
K**R
Check for size
Works great
S**6
Great battery
This fit perfectly and charges great.
M**Z
Exactly as described
Perfect, exactly as described and fast shipping!
Trustpilot
3 weeks ago
1 month ago