AAA Remote Battery Board - Updated!

Remote RTC/CMOS/NVRAM battery for retro computer motherboards. Provides about +4.5V. Which is what most vintage motherboards require. +3V, like from a CR2032, is not appropriate!

Features:

• Higher voltage than CR2032 and higher capacity for longer life
• Diode to prevent reverse charging
• Diode delete solder jumper - NEW
• Universal fuse holder footprint accepts wide and narrow spacing - NEW
• 100ma fuse to protect motherboard if a short develops
• Nylon fuse holder contains fuse blast and glass
• Uses 1x4 pin headers found on most motherboards for simple cabling
• PCB cutouts for Cable tie to secure batteries in rough service situations
• Backer board to raise battery off case when using tape/velcro - NEW
• Mounting holes for M3 standoffs
• No motherboard modifications required!

Misc info:

Any 5mm x 20mm 100mA fuse can be used.

Any fuse holder with 15mm or 22mm leg spacing can be used.

Any 1N4148 diode can be used.

Any 2.54mm header can be cut to fit.

When ordering from this page, make sure to choose custom position for order number.