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Crown Battery

crownbattery.com

About this brand

Type
Manufacturer
Status
Active

Last updated: 2 October 2026

Battery and charging

Equalisation voltage
2.70 V per cell (EV & motive power, normal charger settings at 80°F / 27°C)

“20% 2.42 4 3 – 5% 2.70 2.25 1.6 mV 3.0 mV”

Source: crownbattery.com/hubfs/Safety-First-Guides/DeepCycle-Safety First-Update 2026-sec.pdf

Identity

Headquarters
Fremont, Ohio

“Crown Battery is privately owned, with corporate and manufacturing operations in Fremont, Ohio.”

Source: crownbattery.com/about-us

Founded
1926

“In 1926, William J. Koenig, a German immigrant in pursuit of the American dream, opened the doors to a small battery repair shop in Fremont, Ohio.”

Source: crownbattery.com/about-us

Other findings

Absorption voltage
2.42 V per cell (EV & motive power, normal charger settings at 80°F / 27°C)

“20% 2.42 4 3 – 5% 2.70 2.25 1.6 mV 3.0 mV”

Source: crownbattery.com/hubfs/Safety-First-Guides/DeepCycle-Safety First-Update 2026-sec.pdf

Float voltage
2.25 V per cell (EV & motive power, normal charger settings at 80°F / 27°C)

“20% 2.42 4 3 – 5% 2.70 2.25 1.6 mV 3.0 mV”

Source: crownbattery.com/hubfs/Safety-First-Guides/DeepCycle-Safety First-Update 2026-sec.pdf

Batteries