Bolt Energy USA FactorySync 33-657HS Battery Specs

What we found

Documented to fit 6 models, from the manufacturer's own documentation.
5 specifications are published for it, each with the source it was read from.
No matching recall was found in the records this catalogue holds from 7 regulators.

Assembled from the evidence on this page. Every figure and count below is shown with the source it was read from.

Battery and charging

How the maker describes the module: 51V/105Ah Thin Heated NB for Epic

Compatibility

Harness part number: 33-031
The factory pack it replaces: Factory or OEM Lithium
Firmware build: EPICEV
Carts this pack's maker names: EPIC® E20, E40 / E40L / E40FL, E60 / E60L, 2022-CURRENT

United States — CPSC

We did not match this product to any recall in the data we hold from CPSC, last checked September 19, 2026. Check CPSC’s own search: cpsc.gov/Recalls

European Union

We did not match this product to any recall in the data we hold from the European Union, last checked September 19, 2026. Check the European Union’s own search: ec.europa.eu/safety-gate-alerts/screen/search

United Kingdom

We did not match this product to any recall in the data we hold from the United Kingdom, last checked September 19, 2026. Check the United Kingdom’s own search: gov.uk/product-safety-alerts-reports-recalls

Australia

We did not match this product to any recall in the data we hold from Australia, last checked September 14, 2026. Check Australia’s own search: productsafety.gov.au/recalls

Canada

We did not match this product to any recall in the data we hold from Canada, last checked September 19, 2026. Check Canada’s own search: recalls-rappels.canada.ca/en/search

France

We did not match this product to any recall in the data we hold from France, last checked September 19, 2026. Check France’s own search: rappel.conso.gouv.fr

None of these is a statement that the product is safe or unrecalled — only that our searches found nothing. Each regulator’s own search is linked above.

Compatible carts

Epic Carts E20Manufacturer documented
Epic Carts E40Manufacturer documented
Epic Carts E40LManufacturer documented
Epic Carts E40FLManufacturer documented
Epic Carts E60Manufacturer documented
Epic Carts E60LManufacturer documented

Sources

Bolt Lithium Batteries — FactorySync Fitment GuideMANUFACTURER DOCUMENT
Bolt Energy USA
Source: boltenergyusa.com/wp-content/uploads/2026/08/Bolt-FactorySync-Fitment-Guide_081026-1.pdf
Verified September 15, 2026