Vision Battery EVU1
The Vision Battery EVU1 is a battery pack with a nominal voltage of 12V, a rated capacity of 33.0Ah, a capacity of 27.9Ah at the 5-hour rate and a weight of 22.9 lb.
Last updated: 17 October 2026
Battery and charging
- Voltage
- 12V
- Rated capacity
- 33.0Ah
- Number of cells
- 6
- Internal resistance
- 10mOhms
- Highest charge current it will take
- 9.9A
- Capacity, at the 5-hour rate
- 27.9Ah
- Capacity, at the 10-hour rate
- 33.0Ah
- Maximum discharge current, as the maker labels it
- 330A(5s)
- Maximum charge current, as the maker labels it
- 9.9A
- Charging voltage
- 2.40-2.45VPC
- How fast it loses charge sitting idle
- 3% of capacity declined per month at 20oC(average)
“Nominal Voltage 12V Number of cell 6 Design Life 10 years”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“10 hour rate (3.30A, 10.8V) 33.0Ah |”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“Number of cell 6”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“Fully Charged battery 77oF(25oC) 10mOhms |”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“Maximum charging current 9.9A |”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“5 hour rate (5.58A, 10.5V) 27.9Ah”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“10 hour rate (3.30A, 10.8V) 33.0Ah”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“Max. Discharge Current 77oF(25oC) 330A(5s)”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“Maximum charging current 9.9A”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“Cycle use 2.40-2.45VPC Maximum charging current 9.9A”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“3% of capacity declined per month at 20oC(average)”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
Battery care and safety
- Battery service life claim
- 10 years
- Short-circuit current
- 850A
“Design Life 10 years”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“Short Circuit Current 850A”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
Size and fit
- Weight
- 22.9 lb
- Stated weight
- 10.4/ 22.9
“Approx. Weight(Kg / lbs) 10.4/ 22.9”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
“Approx. Weight(Kg / lbs) 10.4/ 22.9 |”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
Identity
- Model code
- EVU1
“EVU1 12V 33Ah(10hr) VISION Deep Cycle series batteries”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
Certification claims
- Certification claimed by the manufacturer
- MH25860 G4M19906-9202-E-16
“ISO9001:2000 MH25860 G4M19906-9202-E-16 THE INTERNATIONAL CERTIFICATION NETWORK |”
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
Sources
- Archived document
Source: visionbatteryusa.com/wp-content/uploads/2016/11/EVU1.pdf
Retrieved October 13, 2026