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Rectangular 12V 18AH SLA battery with T3 nut-and-bolt terminals, grey case

BatteryJack inc.

BatteryJack inc. 12V 18AH SLA Battery T3 Terminals

SKU CH-ZBYD-3AMKT

12 V 18 Ah sealed lead-acid battery with AGM technology and T3 terminals for UPS, security, mobility and emergency-lighting systems

  • Maintenance-free AGM design eliminates watering tasks
  • 12 V 18 Ah capacity powers security and mobility gear
  • T3 nut-and-bolt terminals ensure secure cable connections
  • Direct replacement for Yuasa NP18-12B and Powersonic PS-12180
  • Compact 7.13 × 3.00 × 6.6 in footprint fits tight enclosures

12 V 18 Ah SLA Battery for UPS and Mobility

This 12 volt 18 Ah sealed lead-acid battery uses AGM technology and T3 nut-and-bolt terminals. It is built as a direct replacement for the ZB-12-20 and a wide range of equivalent models from brands such as Yuasa, Panasonic and Power-Sonic. The maintenance-free design suits standby power, security systems, emergency lighting, electric scooters and mobility wheelchairs.

Drop-in fit with bolt terminals

The T3 terminals accept standard bolts so the battery can be swapped without soldering or special tools. Orientation is flexible because the sealed AGM construction prevents leakage. The only common issue is a loose bolt that raises resistance and causes voltage drop under load; tightening the hardware during installation avoids this.

Capacity and chemistry set the limits

At 18 Ah the pack delivers modest runtime for high-drain loads such as scooter motors, so users needing longer range must add capacity externally. The lead-acid chemistry is heavier than lithium alternatives and self-discharges during long storage, requiring periodic recharge to maintain the quoted 4–7 year service life. Deep cycling beyond 50 % depth shortens cycle count.

Highlights

  • Maintenance-free AGM design eliminates watering tasks
  • 12 V 18 Ah capacity powers security and mobility gear
  • T3 nut-and-bolt terminals ensure secure cable connections
  • Direct replacement for Yuasa NP18-12B and Powersonic PS-12180
  • Compact 7.13 × 3.00 × 6.6 in footprint fits tight enclosures

Specifications

No published specifications for this item yet.

Questions about this item

How can I verify the 12V 18AH SLA battery is working correctly after installation?

Measure the voltage across the T3 terminals with a multimeter; a reading near 12 V under load and stable output during use indicates the AGM cell is functioning as intended.

What comes in the box and what must be purchased separately for the 12V 18AH SLA battery?

The battery ships with nut and bolt hardware for the T3 terminals; cables, chargers or mounting brackets are not included and must be sourced separately.

Which capacity version should I choose among the 12 V 15 Ah, 16 Ah, 17 Ah, 18 Ah, 19 Ah and 20 Ah options listed?

Select the 18 Ah model to match the original ZB-12-20 specification; the other amp-hour ratings are cross-references for different OEM packs.

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