This is a generic, equivalent one, 100% compatible. This 4Volt 4.5AH Replacement SLA battery is designed to compatible with Fi-Shock SS-440.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 4V
* Battery Capacity: 4.5AH
* Chemical Composition: Sealed Lead Acid
* Terminal: F1
* Chemistry: SLA, AGM
* Battery Dimensions: 1.89 in x 1.89 in x 4.25 in
* Weight: 1.10 Lbs
* Condition: new, 1 Year Warranty!
* Application: Alarm, Back-UPS, Hunting, ride on toys, Scooter, medical mobility.
* Integrated microchip prevents overcharging & lengthens battery life.

Replace Part Numbers:
ML4.5-4

Compatible Model:
ML4.5-4 4 Volt 4.5 Ah Sealed Lead Acid Battery for Fi-Shock SS-440
ML4.5-4 - 4 Volt 4.5 AH, F1 Terminal, for Fi-Shock SS-440
4 Volt 4.5 Ah SLA Replacement Battery for GS Portalac PE4V4
4 Volt 4.5 Ah SLA Replacement Battery for Leoch LP4-4.5

This ML4.5-4 is a sealed lead-acid (SLA) absorbed glass mat (AGM) rechargeable battery. AGM and GEL batteries are lead-acid and of the same battery chemistry. This battery comes already charged, sealed, maintenance free, and ready to install.

Delivering power when you need it, the ML4.5-4 4V 4.5AH uses a state of the art, heavy-duty, calcium-alloy grid that provides exceptional performance and service life in both float and cyclic applications.

The ML4.5-4 is an Absorbent Glass Mat (AGM) technology with a valve regulated design, that can be used in enclosed and indoor environments without leaking or maintenance, providing a superior performance for thousands of models.

SLA batteries are utilized in a wide variety of applications including; Consumer Electronics, Electric Vehicles, Engine Starters, Golf Carts, Hunting, Lawn and Garden Tools, Medical Mobility, Motorcycles, Power sports, Portable Tools, Solar, Toys and Hobby, Access Control Devices, Emergency Lighting, Security and more.