We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rectangular black sealed lead-acid battery with terminal posts, 7.01 by 1.38 by 2.40 inches

Raion Power

Raion Power 12V 2.3Ah Battery For Amsco 503902

SKU CH-ZTDW-00TYE

12 V 2.3 Ah sealed lead-acid replacement battery for Amsco 503902 with spill-proof AGM construction

  • Battery pack size1-pack
  • Battery typeSealed Lead Acid
  • Battery capacity2,300 mAh
  • Battery voltage rating12 V
  • Product typeRechargeable Batteries
  • 12 V 2.3 Ah powers Amsco 503902 equipment reliably
  • Sealed lead-acid AGM design requires no maintenance
  • Rugged ABS casing resists shock, vibration, chemicals and heat
  • U.L. recognised, CE rated, built in ISO 9001 certified factories
  • Voltage-matched from same batch when multiple units ordered

Replacement battery for Amsco 503902

This 12V 2.3Ah sealed lead-acid unit is a direct replacement for the Amsco 503902. It uses AGM valve-regulated technology so it can be mounted in different orientations without spilling. The calcium alloy grid reduces electrolyte loss for longer service life. It suits users who need a drop-in power source for compatible equipment.

Thermals and power draw

The sealed construction contains the electrolyte, preventing leaks and minimising gas release during normal charging and discharging. Internal resistance stays low thanks to the calcium grid, so heat build-up is limited under typical float or cyclic use. No active cooling is required and the battery operates silently in standby or backup roles.

Build quality and connectors

A rugged non-conductive ABS plastic case resists shock, vibration, chemicals and heat. The product carries U.L. recognition and CE rating, and is produced in ISO 9001 certified factories. When more than one unit is ordered, cells are voltage-matched from the same manufacturing batch to improve string performance and longevity.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $11.99
Pricier than about 55% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameRaion Power
Model nameRG1223T1
Product typeRechargeable Batteries
Power
Battery typeSealed Lead Acid
Battery capacity2,300 mAh
Battery voltage rating12 V
In the box
Battery pack size1-pack

Questions about this item

How do I install the 12V 2.3Ah battery into my Amsco 503902, and what positioning mistake should I avoid?

The valve-regulated spill-proof design allows installation in various positions, but ensure the non-conductive ABS casing terminals align correctly with the device polarity before securing the 7.01 X 1.38 X 2.40 inch unit.

What maintenance or replacement will this sealed lead acid battery need over its service life?

The AGM maintenance-free construction uses a calcium alloy grid to minimise electrolyte loss, so no water topping is required; plan replacement when runtime drops below the 2300 mAh capacity threshold.

What is the first performance limit I will hit when running this battery continuously under load?

The 2.3Ah rating at 12V defines the energy ceiling; sustained draws approaching the 2300 mAh capacity will trigger voltage sag and thermal rise inside the rugged ABS casing before the U.L. Recognised safety limits engage.

More in Household Batteries & Chargers

Similar items