Golf Carts - We have a variety of choices depending on the model and voltage of your cart.
36v The Allied 36v 105Ah and the Epoch 36v 100Ah are both great choices.
48v Allied 48v 105Ah will fit almost every golf cart except for the Club Car which we recommend the Epoch 48v 30Ah.
RV's and Trailers - There are a wide array of Lithium choices for RV's and Trailers. Depending on your needs and room available will determine the best battery for you.
12v Epoch has a wide array of 12v batteries to chose from that vary in size and capacity. The 12v 105Ah is great for battery compartments under the steps and the tounges of trailers. While larger RV's have more room allowing them to opt for one (or even multiple) of the 300Ah or even the 460Ah battery.
Duffy Boats
36v The Epoch 36v 100Ah is our favorite choice
48v We also recommend Epoch's 48v 100Ah