Rick's Universal Single-Phase, Permanent Magnet Regulator/Rectifier for Lead Acid and Lithium Batteries

Regular price $133.95
Shipping calculated at checkout.


For Single Phase PMA Charging Systems Only. This includes Vintage British Twins, and small to medium displacement bikes like Vintage Honda Twins CB350, CB450, CB500T, etc.) 

The Single-Phase Reg/Rec from Rick's Motorsports Electrics is a universal, dead simple solution for upgrading one of the most basic of all the charging systems, the single-phase field excited alternator. This unit is a solid-state combination regulator-rectifier that has a max charge output of 14.2v, optimized to work with Lithium batteries, however, it is still 100% compatible with Lead Acid chemistry like AGM and Gel Cell batteries.

Think of it as a modern replacement for the classic Tympanium or the separate Regulator and Rectifier modules on older bikes.

Add the Apex 2.8 High Amp Connector Kit from the dropdown menu to include the best Reg/Rec connector on the market!

The key differentiators:

  • 14.2 Volt set point (Will keep the batteries topped up, but will not overcharge Lithium cells)
  • Rated up to 200 watts or 15 amps
  • Waterproof
  • Just 4-wire connections
  • Shunt-type regulator using SCR’s

View the Wiring Diagram


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From our customers


100% impressed over and over again by Jeff & Co at Revival. They’re patient and kind no matter the enquiry (currently resto-modding an R100/7 and have LOTS of questions about the Motogadget rewire) and go out of their way to offer creative solutions and out of the box thinking. I will forever return and recommend Revival.

Theo B.
North Vancouver, BC

I cannot recommend Revival Cycles enough. Not only do they have a great assortment of gear and accessories but they provide superb customer service. I was having some difficulty making it work... Jeff pointed out what I was missing and also provided schematics to make it work. Thank you guys very kindly, your crew rocks.

Svend P.
Santa Fe, NM

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