

🔋 Power your hustle with the battery that keeps up!
The EnerSys Genesis NP4-12 is a compact, maintenance-free 12V 4Ah sealed lead acid battery featuring a fast 0.187 Fast-on connector. Designed for durability with shock and vibration resistance, it offers reliable power in a lightweight, spill-proof package, backed by a full one-year warranty—ideal for professionals demanding dependable energy on the move.
| ASIN | B000LDIJ72 |
| Amperage | 4 Amps |
| Batteries | 1 12V batteries required. |
| Best Sellers Rank | #33,783 in Automotive ( See Top 100 in Automotive ) #66 in Powersports Batteries |
| Brand | Enersys |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,913) |
| Date First Available | February 17, 2007 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3 pounds |
| Item model number | ENP4-12ALT2451 |
| Manufacturer | Enersys |
| Manufacturer Part Number | NP4-12 |
| Model | ENP4-12ALT2451 |
| National Stock Number | 6140-01-299-8849 |
| Product Dimensions | 3.54 x 2.76 x 4.17 inches |
| Voltage | 12 Volts |
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
1 month ago
1 month ago