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Rectangular sealed lead-acid battery, black plastic case, FP terminals on top, 7.72 by 5.16 by 6.1 inches

Sigma Power Systems

Sigma Power Systems 12V 35Ah Standard Battery John Deere TY23017 TY21753 TY25878 TY25221 TY25878A TY25221A

SKU CH-KW2S-NZ0WG

12 V 35 Ah sealed lead-acid battery fits John Deere mowers TY23017, TY21753, TY25878, TY25221, TY25878A, TY25221A

  • Battery TypeSealed Lead Acid
  • 12V 35Ah capacity delivers reliable starting power for John Deere mowers
  • Sealed lead-acid design provides maintenance-free operation without electrolyte checks
  • FP-type terminals ensure secure cable connections on compatible models
  • Compact 7.72 x 5.16 x 6.1 inch case fits existing battery compartments
  • 23 lb unit ships ready to install with your existing hardware

12 V 35 Ah sealed lead-acid battery for John Deere

This 12 V 35 Ah sealed lead-acid unit replaces John Deere part numbers TY23017, TY21753, TY25878, TY25221, TY25878A and TY25221A. It is built for lawn and garden equipment that requires a standard 12 volt, 35 amp-hour power source.

FP-type terminals and compact case simplify fitting

The battery measures 7.72 inches long, 5.16 inches wide and 6.1 inches high with FP-type terminals. Reusing the original cables and hardware is required; mismatched terminal positions or cable lengths are the most common installation issue.

35 Ah capacity suits typical mower starting

The 35 Ah rating delivers reliable cranking power and runs lights or accessories for normal cutting sessions. Extended use of high-draw implements or cold-weather starting may exceed the available reserve. Buyers needing longer runtime or higher cold-cranking amps should consider a larger-capacity unit.

Highlights

  • 12V 35Ah capacity delivers reliable starting power for John Deere mowers
  • Sealed lead-acid design provides maintenance-free operation without electrolyte checks
  • FP-type terminals ensure secure cable connections on compatible models
  • Compact 7.72 x 5.16 x 6.1 inch case fits existing battery compartments
  • 23 lb unit ships ready to install with your existing hardware

Specifications

Battery TypeSealed Lead Acid

Questions about this item

How do I confirm the 12 V 35 Ah battery is working after installing it in my John Deere mower?

After fitting the battery, turn the key — the starter should crank briskly and the engine should fire on the first or second revolution.

What comes in the box and what must I supply myself?

The package contains one 12 V 35 Ah sealed lead-acid battery with FP terminals; you must reuse your existing cables, connectors and mounting hardware.

Which John Deere part numbers does this 7.72 × 5.16 × 6.1 in battery replace?

It replaces TY23017, TY21753, TY25878, TY25221, TY25878A and TY25221A — match your old battery’s voltage, capacity and dimensions before ordering.

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