UL has released a new edition of UL 1236, which applies to “Battery Chargers for Charging Engine-Starter Batteries.” The 8th edition can be purchased from the UL website.
1.1 These requirements cover battery chargers rated 600 volts or less and intended for household or commercial use to charge lead-acid engine-starter and other starting, lighting, and ignition (SLI) type batteries, in accordance with the National Electrical Code, NFPA 70. The requirements also cover a battery charger intended to be permanently installed on a boat.
1.2 A battery charger for use with an internal combustion engine driving a centrifugal fire pump shall comply with the requirements of this Standard and the applicable requirements for the end product.
1.3 These requirements do not cover the following types of battery chargers:
a) Battery chargers for use in industrial applications as covered by the Standard for Industrial Battery Chargers, UL 1564;
b) Battery charger systems for use in electric vehicle applications covered by the Standard for Electric Vehicle (EV) Charging System Equipment, UL 2202;
c) Battery chargers for use with portable tools or household appliances as covered by the Standard for Power Units Other Than Class 2, UL 1012, or the Standard for Class 2 Power Units, UL 1310; and
d) Battery chargers for fire protection signaling service.
*Description from the UL website.