Last updated: 16 September 2026
Battery and charging
- Voltage
- 12V, as the specification block states it
- Nominal capacity
- 33Ah, as the specification block states it
- Reserve minutes, at the maker's stated motor setting
- 65 minutes, which they put at 30% over a U1 lead-acid
- Energy as stated
- 422 Whr — and 12.8 x 33 gives 422.4
“12V 33Ah (422 Whr) 65 Reserve Minutes BCI Group U1 size, 7.75"x5.12x6.37" 10 lbs”
Source: lithiumpros.com/products/tm133-12-8v-33ah-lithium-ion-battery
“12V 33Ah (422 Whr) 65 Reserve Minutes BCI Group U1 size, 7.75"x5.12x6.37" 10 lbs”
Source: lithiumpros.com/products/tm133-12-8v-33ah-lithium-ion-battery
“12V 33Ah (422 Whr) 65 Reserve Minutes BCI Group U1 size, 7.75"x5.12x6.37" 10 lbs”
Source: lithiumpros.com/products/tm133-12-8v-33ah-lithium-ion-battery
“12V 33Ah (422 Whr) 65 Reserve Minutes BCI Group U1 size, 7.75"x5.12x6.37" 10 lbs”
Source: lithiumpros.com/products/tm133-12-8v-33ah-lithium-ion-battery
Size and fit
- Group the maker sells it as
- BCI Group U1, in the maker's own words
- Weight as stated
- 10 lbs, as the specification block states it
“12V 33Ah (422 Whr) 65 Reserve Minutes BCI Group U1 size, 7.75"x5.12x6.37" 10 lbs”
Source: lithiumpros.com/products/tm133-12-8v-33ah-lithium-ion-battery
“12V 33Ah (422 Whr) 65 Reserve Minutes BCI Group U1 size, 7.75"x5.12x6.37" 10 lbs”
Source: lithiumpros.com/products/tm133-12-8v-33ah-lithium-ion-battery
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
United States — NHTSA & Coast Guard
We did not match this product to any recall in the data we hold from NHTSA or the US Coast Guard, which we hold records from but do not yet check on a schedule. Check NHTSA’s own search: nhtsa.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 platforms
No sourced compatibility evidence is on file for this battery yet.
Sources
- Lithium Pros TM133MANUFACTURER MODEL PAGE
Source: lithiumpros.com/products/tm133-12-8v-33ah-lithium-ion-battery
Retrieved September 16, 2026