Collection: Sealed Lead-Acid (SLA) Batteries
Sealed lead-acid (SLA) batteries for UPS systems, alarm and security panels, emergency lighting, medical equipment, mobility devices, and general 6V/12V backup power. SLA batteries are reliable, inexpensive, and available in a wide range of amp-hour capacities and form factors.
Looking to upgrade? Many of these can be replaced with a LiFePO4 lithium battery of the same voltage and size — typically 50–70% lighter, with 5–10× the cycle life and more usable capacity. Match the voltage and terminal layout to find the right battery for your device.
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POWER-SONIC 12V 18Ah SEALED LEAD ACID BATTERY PS-12180NB
Regular price $74.41 USDRegular priceSale price $74.41 USD -
POWER-SONIC 12V 1.4Ah SEALED LEAD ACID BATTERY PS-1212F1
Regular price $28.43 USDRegular priceSale price $28.43 USD -
Cyclon SLA1227 4V 2.5Ah GATES MONOBLOC
Regular price $36.68 USDRegular priceSale price $36.68 USD -
6V 7000mAh/42.0Wh Sealed Lead Acid Medical Battery for Welch-Allyn
Regular price $65.95 USDRegular priceSale price $65.95 USD -
6V 7000mAh/42.00Wh Sealed Lead Acid Medical Battery for Philips
Regular price $65.95 USDRegular priceSale price $65.95 USD -
6V 7000mAh/42.00Wh Sealed Lead Acid Medical Battery for HP
Regular price $65.95 USDRegular priceSale price $65.95 USD -
6V 7000mAh/42.00Wh Sealed Lead Acid Medical Battery for Agilent
Regular price $65.95 USDRegular priceSale price $65.95 USD -
6V 5000mAh/30.00Wh Sealed Lead Acid Medical Battery for Welch-Allyn
Regular price $51.95 USDRegular priceSale price $51.95 USD -
6V 5000mAh/30.00Wh Sealed Lead Acid Medical Battery for Schiller America
Regular price $51.95 USDRegular priceSale price $51.95 USD -
6V 5000mAh/30.00Wh Sealed Lead Acid Medical Battery for Grason Stadler
Regular price $51.95 USDRegular priceSale price $51.95 USD -
16V 2500mAh/40.00Wh Sealed Lead Acid Medical Battery for Physio-Control
Regular price $528.95 USDRegular priceSale price $528.95 USD -
16V 2500mAh/40.00Wh Sealed Lead Acid Medical Battery for Medtronic
Regular price $528.95 USDRegular priceSale price $528.95 USD -
12V 4500mAh/54.00Wh Sealed Lead Acid Medical Battery for Philips
Regular price $78.95 USDRegular priceSale price $78.95 USD -
12V 4500mAh/54.00Wh Sealed Lead Acid Medical Battery for HP
Regular price $78.95 USDRegular priceSale price $78.95 USD -
12V 2900mAh 34.8Wh Sealed Lead Acid Medical Battery for Nihon Kohden
Regular price $78.95 USDRegular priceSale price $78.95 USD -
12V 2300mAh/27.60Wh Sealed Lead Acid Medical Battery for Siemens
Regular price $69.95 USDRegular priceSale price $69.95 USD