SKU:OB20-V28-800S-2

OPEN BOX VMAX V28-800S 12 Volt 28Ah AGM Deep Cycle Battery

OPEN BOX VMAX V28-800S 12 Volt 28Ah AGM Deep Cycle Battery

Regular price $49.99 USD
Sale price $49.99 USD Regular price
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OPEN BOX Condition: May
have cosmetic scratches or blemishes due to shipping or handling. May
be demo batteries installed for only a few days. Thoroughly tested to
ensure a capacity of 90%-100% of brand new batteries.

Includes a 12 Month Warranty.


V28-800S

 Nominal Voltage 20Hr Capacity RC (min)
 CCA MCA
 Terminal Posts  Dimensions Weight
Charging Current*
Charging Voltage
Float Voltage
 12V 28AH
50
240 300 6mm (included)
6.5"w x 6.9"d x 5"h 22lb
2A-10A
14.4-14.9V
13.5V-13.8V

Recommended Charging Options:

  • AC Chargers: Any Quality Brand AGM- Smart & Microprocessor controlled- charger with the recommended specs above can be used. Battery Charger Guide.
  • Vehicle Alternator: 14V-15V.
  • RV Converter: 14V-15V.
  • Solar Panel: 35W-120W.
  • Wind Turbine: 35W-120W.
  • Charge Controller: 5A-30A.
* Warning: Do not use a charger with smaller amperage than the recommended Charging Current shown above.
                  Maintainers should ONLY be used to maintain a fully charged battery but NEVER as a charger.
Operating Temperature Range:
  • Discharge: -4~140F
  • Charge:     14~140F
  • Storage:     -4~140F
Temperature Compensation:
  • Cycle use:     -30mV/C
  • Standby use: -20mV/C
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