RV BUYers

Do deep cycle batteries need maintenance?

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With the exception of lead-acid batteries, deep cycle batteries require little maintenance. The plates of lead-acid batteries must be submerged in distilled water every month. A new battery will be needed if the plates are not replaced. Trickle chargers keep lead-acid or AGM batteries charged for long periods of time. Batteries with lithium management systems don’t need it. Each type of deep cycle battery has its pros and cons:

1. Lithium Pros & Cons:

Pros

  • There is an 80 to 100 percent capacity remaining
  • A very high rate of charging
  • Batteries do not contain memory
  • Maintaining it is not necessary
  • Lightweight and compact
  • Charge cycles of between 2,000 and 5,000

Cons

  • It’s the most expensive deep cycle battery
  • Low temperatures prevent charging
  • Batteries need maintenance (usually internally)
  • Using Victron inverters and Battle Born lithium batteries
  • Batteries and inverters from Victron

2. Lead-Acid Pros & Cons:

Pros

  • Trustworthy sources
  • Overcharging tolerance
  • High-current capacity
  • Accessible worldwide
  • It has no expiration date

Cons

  • There is a 30% to 50% usable capacity
  • Weight plays a significant role
  • Maintenance is required monthly
  • The atmosphere is filled with gases
  • 70-85% charging efficiency

3. Gel Pros & Cons:

Pros

  • Spills are not present
  • There is no need to maintain
  • There is no off-gassing
  • Tolerance to heat
  • 85% to 90% charge efficiency

Cons

  • AGM and lead-acid batteries are more expensive
  • Charges that are fast are not tolerated
  • Overcharging can ruin it
  • Each profile/setup has its own settings

4. AGM Pros & Cons:

Pros

  • 60-80% usable capacity
  • Lead-acid or gel have lower rates
  • Spills are rare
  • Gas-emitting
  • Maintenance free
  • 95% efficiency charging
  • It doesn’t get cold

Cons

  • Lead-acid batteries cost more
  • High prices can ruin deals

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