| Researched in depth, not ranked (11), continued |
| Excell Battery Company70 | Battery… | US | The listed URL now opens an Ultralife Corporation page, not Excell’s own site, so Excell’s claims could not be checked… |
| Lithium Battery Company71 | Custom LFP… | Tampa, US | Tampa assembler with low minimums, but no certificate listed and no e-mobility market named. |
| ProTechnologies, Inc.65 | Custom… | Pilot Mountain | No website given. Listing says custom lithium-ion and lithium polymer packs and ISO 9001:2015. UL 2271 is not… |
| Voltronix USA Inc.72 | Manufacturer… | US | Also described as a distributor; not clear that it builds its own packs. |
| Zeus Battery Products (Power Cell Battery Products)65 | Battery packs… | Bloomingdale | No website given. Listing says lithium-ion and lithium polymer battery packs and ISO 9001:2008. No UL 2271… |
| Did not fit the brief (13) |
| Alien Rides73 | | US | Custom lithium packs for scooters and e-bikes, but the page gives no US city or state. It states no ISO 9001 or UL 2271. |
| Aved Electronics (Lithion Battery Inc.)74 | Custom battery… | US | Custom battery packs maker in Lowell, MA. Its FAQ says its QMS is ISO 9001 and ISO 13485 certified, but no UL 2271… |
| BATTLite75 | Lithium golf cart… | US | Sells LiFePO4 golf cart and low-speed vehicle packs. Headquartered in California with global operations. No ISO… |
| BigBattery76 | LiFePO4 golf cart… | US | Sells lithium golf cart and utility packs and kits, with a US call centre. No ISO 9001 or UL 2271 claim seen, and no… |
| Custom Power77 | Custom battery… | US | Own site (Fountain Valley, CA) shows ISO 9001:2015 with AS9100D, but no UL 2271 claim found. Markets are… |
| EV West78 | | San Marcos | Based in San Marcos, California. Sells new and used Tesla modules and packs and EV parts, with its own BMS boards… |
| Fleet Lithium79 | | US | |
| FTH Power80 | Sells and repairs… | US | Mainly sells and repairs e-bike batteries, which are mostly resold. Claims USA assembly and a 2-year warranty, but… |
| Michigan Lithium Packs81 | Builds and tests… | US | Hand-builds custom lithium and LiFePO4 packs for e-bikes and mobility in Howell, MI. Its site claims no ISO 9001 and… |
| Nordson Corporation82 | Equipment supplier… | Westlake, US | Equipment supplier of dispensing systems, not a pack assembler. Its own site lists dispensing and coating… |
| Totex Manufacturing83 | Custom battery… | Torrance, US | Own site (Torrance, CA) claims ISO 9001 and builds custom battery packs, but cites UL2054, not UL 2271. Named… |
| Trojan Battery Company84 | Golf cart, utility… | US | Makes lithium OnePack packs for golf carts and LSVs and says they are designed and assembled in the USA. Its site… |
| U.S. Battery Manufacturing Co.85 | Essential Li deep… | US | Makes Essential Li lithium deep cycle batteries. Homepage read shows no ISO 9001 claim, and no UL 2271 claim… |