SB2490 - 12V 18Ah SLA Battery

PowertechSKU: SB2490

Sale price$129.00 NZD

Tax included

In stock

Expected Delivery Times

North Island - 2-6 Working Days

South Island - 3-10 Working Days




SB2490 1 Year WarrantyThese are small Sealed Lead Acid batteries that are generally used for semi-portable appliances that need more power or a fair bit of power (more than can be provided by D, C or AA cells) for a longish time. They are typically used for people who go caving, or for lighting for an overnight camping trip where you are travelling on foot. They are not ridiculously heavy or bulky. They are good to drive a lantern on a tinny for that night fishing expedition. Being sealed, you cannot fear that the battery acid (which is actually a GEL) will spill. The amp-hour rating tells you how long the battery will last before it goes flat. For example, a 7.2Ah battery will give 7.2 amps for one hour or 3.6 amps for 2 hours or 1.8 amps for 4 hours, etc. Generally an adequate amount of current for a lantern. They are ideally charged by solar panels. • Leak proof construction • Usable and rechargeable in any position • Capable of high discharge rates • Deep discharge recovery • Wide range of operating temperatures • Long service life







Packaged Volume : 3.14l
Packaged Weight : 5.04kg
Packaged Length : 19cm
Packaged Width : 8.8cm
Packaged Height : 18.8cm
Length : 181mm
Height : 167mm
Depth : 77mm
DC Voltage : 12V
Battery usage : Rechargeable
Battery Chemical Composition : Sealed Lead Acid (SLA)
Battery Peak Current : 270A
Amp Hour Rating : 18Ah
20 Hour Capacity : 18Ah
10 Hour Capacity : 17.2Ah
5 Hour Capacity : 15.2Ah
1 Hour Capacity : 10.8Ah
Internal Resistance : 15?
Connection Type : M5 Bolt/Nut
Type of battery : SLA Block
Recharging Voltage : 14.4V, 15V
Standard Recharge Current : 2A
Recharging Time : 10hr
Availability : Stocked item

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