

🔋 Power up your gear with confidence—because every start counts!
The EnerSys Genesis NP4-12 is a compact, 12V 4Ah sealed lead acid battery featuring a fast 0.187 Fast-on connector for quick installation. Maintenance-free and spill-proof, it offers reliable, vibration-resistant power in a lightweight design, backed by a full one-year warranty—ideal for powersports, alarm systems, and more.
| ASIN | B000LDIJ72 |
| Amperage | 4 Amps |
| Batteries | 1 12V batteries required. |
| Best Sellers Rank | #51,892 in Automotive ( See Top 100 in Automotive ) #107 in Powersports Batteries |
| Brand | Enersys |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,916) |
| 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 |
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**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!
A**R
Good fit and price
Worked well. Fitted in my lawnmower.
J**N
good packaging
good item
D**H
Easy to install
Great battery, holds charge for an extended period of time, plug and play installation.
H**B
GOOD DEAL
GOOD DEAL & FAST SHIPPING
K**R
Check for size
Works great
M**Z
Exactly as described
Perfect, exactly as described and fast shipping!