LithiumMoto has been building performance lithium batteries since 2009 and our newest line of EV direct replacement batteries carry a 4 year ltd.warranty; are much lighter than stock lead batteries, and lighter than other lithiums with a higher cycle life.
We only use Grade ' A '  proprietary LiFepo4 cells, capable of 90+ amps continuous discharge, resulting much less voltage sag than competing lithium replacement batteries. We use matched impedance cells, built into packs by us !, BMS with redundant 400ma cell balancing technology,  working temp; -20 to +60C, voltage; 13.2V, self discharge rate <1%/mo., IP66 ,  Life cycles; 7 - 8 yrs.
All batteries have SAE size copper posts. Cases; AL or high impact acrylic, All our Tesla batteries are compatible with Tesla software updates. These are not repurposed starter batteries but batteries built specifically for Teslas and other EV's. They will not start an ICE.
All batteries are made / assembled / built in USA, so, please allow a few days in fulfilling your order. 
We are available 7 day a week, 10 hours a day for TLP (Tesla losing power) situations.
We ARE the Lithium Alternative to all other batteries. 60 DAY NQA guarantee if the battery doesnt live up to expectations.
Special orders welcome if you have a custom battery in mind.
$18 shipping all batteries in continental US - Carrying strap available included.
PAYMENT by Zellepay, Cashapp, Applepay, paypal. Cr Cards incur a 4% fee to pay the processors.

Important note:
do not be intimidated by a dealer saying u must use OEM parts / service or warranty is voided !
https://www.autocare.org/government-relations/current-issues/Magnuson-Moss-Warranty-Act
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) . If your vehicle manufacturer fails to honor warranty claims, contact EPA at (202) 260-2080  www.epa.gov.  If federal warranty protection is denied, contact the FTC at (202) 326-3128  www.ftc.gov.
UPDATE July: Now, all batteries avail with integrated                           ( add $25 if wanted)...
Rebooting Model S here