Originally Posted by
Doc_Wui
The Lectric batteries can be bought third party, but who knows how good or safe they are, Stick with Lectric replacements, I believe the Lectrics do have a UL rating, and they are big enough to demand a better made battery from their suppliers, And their reputation requires them to not burn your house down,
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From the Lectric website -
Safety Certified We ensure that the electrical and battery components are manufactured to the industry standard. The Lectric XP4 is certified to UL 2849. Additionally, the XP4's lithium-ion battery is certified to UL 2271.