Deals on Discount Batteries

Useful for anyone building or repairing battery-powered DIY projects, this module handles both charging and voltage boosting in a single board, which cuts down on the components you need to source separately. Buy Now at Newegg

A reliable pick if your original HP Omen charger has failed or you need a spare, since third-party adapters at this wattage typically run $20 to $40 and this one is purpose-built to match the Omen's power requirements. Buy Now at Newegg

A straightforward pick if your HP AP5000 POS terminal needs a replacement power adapter and you'd rather spend a few dollars on a third-party option than track down an OEM part. Buy Now at Newegg

A 12V/5A adapter covers a wide range of devices that need regulated DC power, including LED strip controllers, routers, and small appliances, making this a reasonable backup or replacement option if your original adapter has failed or gone missing. Buy Now at Newegg

Sealed lead-acid batteries like this are a straightforward swap for mobility scooters, UPS systems, floor scrubbers, and similar equipment that originally shipped with a PS-121000U — useful when you need a direct replacement without sourcing from a specialty supplier. Buy Now at Home Depot

A replacement charger for the Polk Audio Omni SB1 Plus if yours has gone missing or stopped working, which otherwise leaves you with a soundbar you can't use. Buy Now at Newegg

A replacement power adapter worth bookmarking if your Creative Inspire T10 speakers stopped working due to a lost or damaged power supply, since buying a new adapter is considerably cheaper than replacing the whole speaker system. Buy Now at Newegg

A third-party replacement adapter for the APD DA-120A19, which makes it useful if your original power supply has failed and you want a lower-cost alternative to sourcing an OEM replacement. Buy Now at Newegg

Replaces a missing or failed power adapter for Aruba AP200 series access points, which is useful if you need to power an access point without running a PoE switch or injector. Buy Now at Newegg

Handy for anyone who regularly swaps out CR2032 coin cell batteries and wants a way to charge them via USB-C instead of buying replacements each time. Buy Now at Newegg

Designed for powering laptops and devices in vehicles or non-standard environments, this 100W adapter suits field workers, truckers, or anyone who needs reliable power away from a typical wall outlet. Buy Now at Newegg

A practical spare for anyone whose Reno4 has stopped charging reliably due to a worn or damaged port, and a straightforward DIY repair part if you're comfortable opening up your phone. Buy Now at Newegg

A straightforward replacement adapter for anyone with an HP Pavilion DV4000 laptop whose original charger has failed or gone missing, matching the original 19.5V/4.74A/90W specs your laptop requires. Buy Now at Newegg

Handy for studio or desk setups where you want to run your Canon camera continuously without worrying about battery life draining mid-shoot. Buy Now at Newegg

A straightforward pick if your Yamaha TG33 synthesizer's original power adapter has gone missing or failed, since third-party replacements like this are often the only practical option for older gear. Buy Now at Newegg

A straightforward spare or replacement power supply for Geekom Mini Air12 owners who want a backup adapter on hand or need to replace a lost one. Buy Now at Newegg

A straightforward replacement option if your original ASUS laptop charger has failed and you need a 65W adapter without paying for a brand-name unit. Buy Now at Newegg

Replacement power adapter for Braun Series 7 shavers, which is useful if your original charger has been lost or damaged and you want to avoid paying for an OEM replacement. Buy Now at Newegg

Straightforward power adapter for replacing a lost or failing 12V DC supply, useful if you have a device that needs a specific voltage and wattage match that your current adapter no longer provides. Buy Now at Newegg