Advantages & Disadvantages
Discover 700 SERIES EV Traction Dry Cell Advantages:
* Actual results will vary depending upon application by battery, discharge rates, charging regime and temperature etc.
Discover 700 SERIES EV Traction Dry Cell Disadvantages:
Discover EV Traction Dry Cell Advantages:
- Is a Discover Non-Hazardous Dry Cell power block.
- Classified as “NON-SPILLABLE BATTERY” Not restricted for Air (IATA/ICAO) Provision 67,Surface (DOT-CFR-HMR49) or Water (Non-hazardous per IMDG amendment 27)transportation.
- Spill proof / leakproof.
- No corrosion.
- Highly acid starved. Very high active material to acid ratio for longer life in constant deep cycle applications.
- Micro fibrous silicate glass mat acid absorption along with charge control eliminate water loss.
- Excellent for multiple long or short duration deep discharges.
- Excellent for Long Duration BACK UP POWER and RENEWABLE ENERGY applications.
- Excellent for UPS/TELECOM and HIGH RATE applications.
- Excellent in high discharge current applications.
- Superior deep cycle life and superior energy density over gel or advanced AGM batteries.
- No loss of capacity as a result of viscous degradation or voids in gelled electrolyte.
- Installs upright or on side (side installation may lose 10%-15% capacity and life will be affected).
- Very low to no gassing (unless overcharged). By design 70% less than regulations require evenat increased temperature and charge voltage.
- Compatible with sensitive electronic equipment.
- Superior shelf life.
- Superior recharge ability (from 0% to 90% in 4 hours).
- Superior recharge ability (from 0% to 100% in 6 hours).
- High (up to 1c) recharge current ability limitation @ 13.8~14.7 volts.
- Battery output efficiency in excess of 85% means less energy and timed used during recharge.
- Rugged and vibration-resistant.
- Very safe at sea with extremely low chlorine gas potential in bilge (due to acid and salt water mixing).
- May be recycled at any smelter that processes lead acid batteries.
- Operates in wet environments…even under 30 feet of water.
- Good in extreme temperature applications. Will not freeze to –20°F/-30°C if fully charged.
- Extremely good Life Cost per Amp Hour or Kilowatt Hour (cost/total energy supplied).
- Extremely good cost-per-month (cost / months of life).
- Extremely good cost-per-cycle (cost / life cycles) – Up to 50% more cycles than standard deep cycle absorbed electrolyte or Gel batteries when discharged capacity exceeds 50% DOD.
- Up to 10 times the cycling ability of standard AGM or Gel when discharged capacity exceeds 50%.
- Up to 7 times the cycling ability of standard AGM or Gel when discharged capacity exceeds 80%.
- 500 to 600 cycles when discharged to 20% remaining capacity *.
- 1200 cycles when discharged to 50% remaining capacity *.
- 3500 cycles when discharged to 80% remaining capacity *
* Actual results will vary depending upon application by battery, discharge rates, charging regime and temperature etc.
Discover EV Traction Dry Cell Disadvantages:
- Higher initial cost.
- Heavier weight per Amp Hour of available power.
- Water cannot be replaced if continually overcharged.
- Typically can not be used to replace flooded types without verifying the applications existing chargers.
- Automatic temperature-sensing, voltage-regulated chargers must be used
Discover Advanced AGM Advantages:
- Is a Discover Non-Hazardous Dry Cell power block.
- Classified as “NON-SPILLABLE BATTERY” Not restricted for Air (IATA/ICAO) Provision 67,Surface (DOT-CFR-HMR49) or Water (Non-hazardous per IMDG amendment 27)transportation.
- Spill proof / leakproof.
- No corrosion.
- Acid starved. High active material to acid ratio for long life in cyclic applications.
- Micro fibrous silicate glass mat acid absorption along with charge control eliminate water loss.
- Excellent for multiple medium or short duration deep discharges.
- Excellent for Medium Duration BACK UP POWER and RENEWABLE ENERGY applications.
- Excellent for UPS/TELECOM and HIGH RATE applications.
- Very good cyclic life with good starting ability.
- Superior energy density over gel batteries.
- No loss of capacity as a result of viscous degradation or voids in gelled electrolyte.
- Installs upright or on side (side installation may lose 10%-15% capacity and life will be affected).
- Very low to no gassing (unless overcharged). By design 70% less than regulations require evenat increased temperature and charge voltage.
- Compatible with sensitive electronic equipment.
- Superior shelf life.
- Superior recharge ability (from 0% to 90% in 4 hours).
- Superior recharge ability (from 0% to 100% in 6 hours).
- High (up to 1c) recharge current ability limitation @ 13.8~14.7 volts.
- Very safe at sea with extremely low chlorine gas potential in bilge (due to acid and salt water mixing).
- May be recycled at any smelter that processes lead acid batteries.
- Operates in wet environments…even under 30 feet of water.
- Good in extreme temperature applications. Will not freeze to –20°F/-30°C if fully charged.
- Low Life Cost per Amp Hour or Kilowatt Hour (cost/total energy supplied).
- Low cost-per-month (cost / months of life).
- Low cost-per-cycle (cost / life cycles) – Up to 40% more cycles than standard deep cycle absorbed electrolyte or Gel batteries when discharged capacity exceeds 80% DOD.
- Up to 7 times the cycling ability of standard AGM when discharged capacity exceeds 50%.
- Up to 5 times the cycling ability of standard AGM when discharged capacity exceeds 80%.
- 300 to 400 cycles when discharged to 20% remaining capacity *.
- 800 cycles when discharged to 50% remaining capacity *.
- 2500 cycles when discharged to 80% remaining capacity *
* Actual results will vary depending upon application by battery, discharge rates, charging regime and temperature etc.
Discover Advanced AGM Disadvantages:
- Higher initial cost.
- Heavier weight per Amp Hour of available power.
- Water cannot be replaced if continually overcharged.
- Typically can not be used to replace flooded types without verifying the applications existing chargers.
- Automatic temperature-sensing, voltage-regulated chargers must be used.
- Charge voltage must be limited (14.4 to 14.7 volts maximum at 25°C/77°F)
Standard Gelled Electrolyte Advantages:
- Maintenance-free
- Air transportable
- Spill proof / leak proof
- No corrosion
- Superior deep cycle life
- Installs upright or on side (side installation may lose about 15% capacity)
- Very low to no gassing (unless overcharged)
- Compatible with sensitive electronic equipment
- Superior shelf life
- Superior recharge ability (from 0% to 90% in 4 hours)
- Superior recharge ability (from 0% to 100% in 6 hours)
- No recharge current limitation @ 13.8 volts
- Rugged and vibration-resistant
- Very safe at sea with no chlorine gas in bilge (due to sulfuric acid and salt water mixing)
- Operates in wet environments…even under 30 feet of water
- Will not freeze to –20°F/-30°C (if fully charged)
- Low cost-per-month (cost / months of life) as compared with flooded battery types.
- Low cost-per-cycle (cost / life cycles) – Up to 40% more cycles than standard deep cycle absorbed electrolyte batteries when discharged capacity exceeds 80%.
- Up to 7 times the cycling ability of standard AGM when discharged capacity exceeds 50%
- Up to 5 times the cycling ability of standard AGM when discharged capacity exceeds 80%
- 300 to 400 cycles when discharged to 20% remaining capacity *.
- 800 cycles when discharged to 50% remaining capacity *.
- 2500 cycles when discharged to 80% remaining capacity *
* Actual results will vary depending upon application by battery, discharge rates, charging regime and temperature etc.
Standard Gelled Electrolyte Disadvantages:
- Higher initial cost
- Heavier weight
- Water cannot be replaced if continually overcharged
- Typically can not be used to replace flooded or AGM types without adjusting or replacing the applications existing chargers.
- Automatic temperature-sensing, voltage-regulated chargers must be used and Charge voltage must be limited (14.2 to 14.5 volts maximum at 25°C/77°F
- Charge voltage must be limited (14.2 to 14.5 volts maximum at 25°C/77°F)
Standard Absorbed Electrolyte (AGM) Advantages:
- Totally maintenance-free
- Air transportable
- Spill proof / leak proof
- No corrosion
- Installs upright or on side
- Lower cost than gel cell batteries
- Compatible with sensitive electronic equipment
- Very low to no gassing (unless overcharged)
- Excellent for starting and stationary applications
- Deep Cycle versions "just OK" for cyclic use to 70% or 80% remaining capacity.
- Superior for shorter duration/higher rate discharges
- Superior under extreme cold conditions when fully charged
- Superior shelf life
- Superior recharge ability (from 0% to 90% in 4 hours)
- Superior recharge ability (from 0% to 100% in 6 hours)
- Rugged and vibration-resistant
- Very safe at sea with no chlorine gas in bilge (due to sulfuric acid and salt water mixing
- Operates in wet environments…even under water
- 100 to 200 cycles when discharged to 20% remaining capacity *.
- 300 cycles when discharged to 50% remaining capacity *.
- 1000 cycles when discharged to 80% remaining capacity *
* Actual results will vary depending upon application by battery, discharge rates, charging regime and temperature etc.
Absorbed Electrolyte Disadvantages:
- Shorter cycle life than gel in very deep cycle applications
- Automatic temperature-sensing, voltage-regulated chargers must be used
- Water cannot be replaced if continually overcharged
- Charge voltage must be limited (14.4 to 14.7 volts maximum at 25°C/77°F)
Flooded Electrolyte Advantages:
- Lowest initial cost
- Good for higher current applications
- Water can be added (if accessible)
- Excellent for starting applications
- More tolerant of improper recharge voltages
- Certain designs are good for deep cycle applications
- Replacements readily available
- Good under extreme cold conditions when fully charged
Flooded Electrolyte Disadvantages:
- Spill able
- Operates upright only
- Shorter shelf life
- Fewer shipping options
- Cannot be installed near sensitive electronic equipment
- Watering will be required (if accessible)
- Higher long term cost per cycle when labor and material costs are calculated
- Requires high levels of maintenance and safety practices.
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