RV BUYers

Does the Deep Cycle Battery Type require maintenance?

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A deep cycle battery does not require any maintenance, with the exception of lead-acid batteries. To keep the plates in lead-acid batteries submerged, distilled water must be topped off monthly. It will be necessary to replace the battery if the plates are not replaced.

Lead-acid and AGM batteries can be kept charged by attaching a trickle charger when you won’t be using them for a long period of time. Lithium batteries do not require it, since they have their own battery management system.

Each deep cycle battery type has its own pros and cons:

1. Lithium:

Lithium Pros

  • 80% to 100% of usable capacity
  • Charge rates that are extraordinarily high
  • Battery memory is not present
  • It does not require maintenance
  • Compact and lightweight
  • Charge cycles of 2,000 to 5,000

Lithium Cons

  • The most expensive option for deep cycle batteries
  • Low temperatures make it impossible to charge
  • Batteries must be maintained (usually internally)
  • A Grand Design Solitude RV storage is equipped with Victron inverters and Battle Born lithium deep cycle batteries
  • Batteries from Battle Born and inverters from Victron

2. Lead-Acid

Lead-Acid Pros

  • A reliable source
  • Having a tolerance for overcharging
  • High-current capability
  • Easily accessible worldwide
  • It has an indefinite shelf life

Lead-Acid Cons

  • 30% to 50% of the capacity is usable
  • The weight is very high
  • Maintenance is required monthly
  • Releases gases into the atmosphere
  • An efficiency of 70% to 85% when charging

3. Gel

Gel Pros

  • Contains no spills
  • There is no maintenance required
  • Off-gassing is not a problem
  • The ability to tolerate heat
  • 85% to 90% charge efficiency

Gel Cons

  • AGM and lead-acid batteries are more expensive
  • Fast charging is not tolerated
  • If overcharged, it can be ruined
  • Each profile/setup has its own settings

4. AGM:

AGM Pros

  • Between 60% and 80% of usable capacity
  • Compared to lead-acid or gel, it charges much higher rates
  • Spills no liquids
  • A non-off gassing product
  • Maintaining is not necessary
  • An efficiency of 95% for charging
  • Cold temperature does not affect it

AGM Cons

  • Lead-acid batteries are more expensive
  • A high price can ruin the deal

More to explorer

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