Last updated: 16 September 2026
Battery and charging
- Energy printed on the battery
- 640 Wh — which is 50 Ah at 12.8 V, not the 52 Ah stated beside it
- Battery capacity, as stated over time
- Published as 50 Ah until at least August 2019, with today's 640 Wh and 120 min
- Reserve capacity
- 120 minutes at 25 A
“Energy 640 Wh”
Source: relionbattery.com/products/lithium/rb52
“Nominal Capacity 50 Ah Capacity @ 25A 120 min Energy 640 Wh”
Source: web.archive.org/web/20190823211212/https://relionbattery.com/products/lithium/rb50
“Capacity @ 25A 120 min”
Source: relionbattery.com/products/lithium/rb52
Size and fit
- Series and parallel connection
- Up to 4 in series
“Maximum Batteries Connected in Series 4”
Source: relionbattery.com/products/lithium/rb52
Product identifiers
The codes printed on the product and its packaging.
- Model code
- RB52
Source: relionbattery.com/products/lithium/rb52
RB52 12V 52Ah Deep Cycle Lithium Battery RB52 12V 52Ah Deep Cycle Lithium Battery The RB52 is a lithium iron phosphate battery is versatile and compacThe manufacturer's own designation for this model. On a battery or charger it is printed on the case label, and it is the code a recall names; on a motor it is usually on the mount or in the manual.
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
- RELiON — RB52 12V 52Ah Lithium BatteryMANUFACTURER BATTERY PAGE
RELiON Battery
Source: relionbattery.com/products/lithium/rb52
Verified September 15, 2026