HP Calculators - Replacement Batteries

Introduction

HP Calculators take an assortment of different types of batteries. The following questions are answered in this document:

They are available in most drug stores, camera stores or grocery stores. Other places to purchase batteries include the Internet.

Supported model	Battery description	#	Common P/N	Discontinued models
	1.5-volt button-cell	2	Duracell PX76A/675A Panasonic LR44	HP 6s
	1.5-volt button-cell	1	Duracell PX76Z/675A Panasonic LR44	HP 6s Solar
HP 9g, HP 9s	1.5-volt button-cell	2	Duracell PX76Z/675A Panasonic LR44
	1.5-volt button-cell	3	Duracell PX76A/675A Panasonic LR44	10b,11c, 15c, 16c, 42s, 32s, 17b, 17bII, 20s, 32sII
HP 10bII, 17bII+	3-volt CR2032	2	Duracell DL 2032 Panasonic CR2032
HP 12c (All serial numbers below CN11500001)*	1.5-volt button-cell	3	Duracell PX76A/675A Panasonic LR44	11c, 15c, 16c, 42s, 32s, 17b
HP 12c (Beginning with serial # CN11500001), HP 12c platinum and prestige series	3-volt CR2032	1	Duracell DL 2032 Panasonic CR2032
	1.5-volt N-cell	3	Duracell MN9100 Panasonic AM5	19b, 19bII, 28c, 28s
HP 30s	1.5-volt button-cell	2	Duracell PX76A/675A Panasonic LR44	11c, 15c, 16c, 42s, 32s, 17b
39g+, 48gII (before serial number CAN 62900000), 49g+	1.5-volt AAA	3	Duracell MN2400 Panasonic AM4	38g, 39g, 48s, 48sx, 48g series, 49g
39gs, 40gs, 48gII (starting with serial numbers CNA 62900000), 50g	1.5-volt AAA	4	Duracell MN2400 Panasonic AM4
39gs, 39g+, 40gs, 48gII (both versions), 49g+, 50g	3-volt CR2016	1 (used as memory backup)	Duracell DL2016 Panasonic CR2016	128 Kb RAM card HP 82215A, 1 MB RAM card HP822

*Including serial numbers that start with other letters and those that start with numbers.