Tool batteries under $100

22 offers in tool batteries under $100, ranked by how far below its own median each price sits — not by how big a discount the retailer claims. Prices we have not watched long enough to judge come last, dearest first.

All tool batteries prices · Everything under $100

Makita BL1820B-2 18V Compact Lithium-Ion 2.0Ah Battery Twin Pack at Amazon

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Makita BL1820B-2 18V Compact Lithium-Ion 2.0Ah Battery Twin Pack

$96.00Verified Oct 10, 7:41 AM UTC

3 of 7 days to a verdict

Makita Bl1850 632B77-5 Lithium-Ionen Battery 18V 5 Ah at Amazon

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Makita Bl1850 632B77-5 Lithium-Ionen Battery 18V 5 Ah

$89.00Verified Oct 10, 4:46 AM UTC

Recorded low $89.00 on October 10, high $89.00.3 of 7 days to a verdict

Milwaukee 48-11-1865 M18 REDLITHIUM HIGH Output XC 6 Ah Lithium-Ion Battery at Amazon

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Milwaukee 48-11-1865 M18 REDLITHIUM HIGH Output XC 6 Ah Lithium-Ion Battery

$88.44Verified Oct 10, 4:48 AM UTC

Recorded low $88.44 on October 10, high $88.44.3 of 7 days to a verdict

Ryobi P193 6.0 Amp Hour 18V Lithium Ion Battery w/ Onboard Fuel Gauge at Amazon

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Ryobi P193 6.0 Amp Hour 18V Lithium Ion Battery w/ Onboard Fuel Gauge

$88.20Verified Oct 10, 4:47 AM UTC

3 of 7 days to a verdict

CRAFTSMAN V20 Lithium Ion Battery, 4.0-Amp Hour (CMCB204) at Amazon

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CRAFTSMAN V20 Lithium Ion Battery, 4.0-Amp Hour (CMCB204)

$84.99Verified Oct 10, 4:48 AM UTC

3 of 7 days to a verdict

CRAFTSMAN V20 Lithium Ion Battery, 2.0-Amp Hour, 2 Pack (CMCB202-2) at Amazon

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CRAFTSMAN V20 Lithium Ion Battery, 2.0-Amp Hour, 2 Pack (CMCB202-2)

$83.01$41.51 eachVerified Oct 10, 4:44 AM UTC

Recorded low $82.00 on October 8, high $83.01.3 of 7 days to a verdict

CRAFTSMAN V20 Battery and Charger, for Power Tool Kits and Outdoor Tools, 4.0 Ah, Lithium Ion Battery (CMCB204-CK) at Amazon

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CRAFTSMAN V20 Battery and Charger, 4.0 Ah, Lithium Ion Battery (CMCB204-CK)

$82.61Verified Oct 10, 4:46 AM UTC

Recorded low $82.61 on October 10, high $82.61.3 of 7 days to a verdict

RYOBI 18V ONE+ 4.0Ah Starter Kit - PCL104K1 at Amazon

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RYOBI 18V ONE+ 4.0Ah Starter Kit - PCL104K1

$74.00Verified Oct 10, 7:42 AM UTC

Recorded low $72.00 on October 9, high $74.00.3 of 7 days to a verdict

DEWALT 20V MAX Battery, Compact 2.0Ah Double Pack (DCB203-2) at Amazon

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DEWALT 20V MAX Battery, Compact 2.0Ah Double Pack (DCB203-2)

$72.00Verified Oct 10, 4:46 AM UTC

Recorded low $72.00 on October 9, high $72.00.3 of 7 days to a verdict

RYOBI ONE+ 18V Lithium-Ion 4.0 Ah Rechargeable Battery, ABS Plastic, Up to 3X Runtime vs 1.5Ah, LED Fuel Gauge, Black, PBP005 at Amazon

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RYOBI ONE+ 18V Lithium-Ion 4.0 Ah Rechargeable Battery, Up to 3X Runtime vs 1.5Ah, Black

$70.00Verified Oct 10, 7:41 AM UTC

3 of 7 days to a verdict

RYOBI ONE+ 18V High Performance Lithium-Ion 2.0 Ah Compact Battery (2-Pack) at Amazon

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RYOBI ONE+ 18V High Performance Lithium-Ion 2.0 Ah Compact Battery (2-Pack)

$69.99$35.00 eachVerified Oct 10, 7:40 AM UTC

3 of 7 days to a verdict

Makita BL1830B 18V LXT Lithium-Ion 3.0Ah Battery, Black at Amazon

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Makita BL1830B 18V LXT Lithium-Ion 3.0Ah Battery, Black

$69.88Verified Oct 10, 4:48 AM UTC

Recorded low $69.88 on October 10, high $69.88.3 of 7 days to a verdict

Milwaukee 48-11-1850 M18 Redlithium 5.0Ah Bat Pack at Amazon

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Milwaukee 48-11-1850 M18 Redlithium 5.0Ah Bat Pack

$69.29Verified Oct 10, 7:42 AM UTC

Recorded low $69.08 on October 8, high $69.29.3 of 7 days to a verdict

DEWALT 20V MAX Battery, Lithium Ion, 5.0Ah (DCB205) at Amazon

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DEWALT 20V MAX Battery, Lithium Ion, 5.0Ah (DCB205)

$64.87Verified Oct 10, 4:47 AM UTC

Recorded low $64.87 on October 10, high $64.87.3 of 7 days to a verdict

DEWALT 20V MAX XR POWERSTACK Lithium Ion Battery (DCBP034) at Amazon

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DEWALT 20V MAX XR POWERSTACK Lithium Ion Battery (DCBP034)

$62.26Verified Oct 10, 7:41 AM UTC

Recorded low $59.33 on October 8, high $62.26.3 of 7 days to a verdict

DEWALT 20V MAX Lithium Ion Battery (DCB204) at Amazon

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DEWALT 20V MAX Lithium Ion Battery (DCB204)

$58.49Verified Oct 10, 4:44 AM UTC

3 of 7 days to a verdict

Milwaukee 48-11-1840 18-Volt M18 Red Lithium Xc 4.0 Ah Battery Packs at Amazon

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Milwaukee 48-11-1840 18-Volt M18 Red Lithium Xc 4.0 Ah Battery Packs

$54.83Verified Oct 10, 7:42 AM UTC

Recorded low $54.82 on October 8, high $54.83.3 of 7 days to a verdict

TTI Ryobi PBP004 ONE+ High Performance 18 Volts Lithium-Ion 4.0 Ah Battery at Amazon

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TTI Ryobi PBP004 ONE+ High Performance 18 Volts Lithium-Ion 4.0 Ah Battery

$53.00Verified Oct 10, 7:41 AM UTC

Recorded low $53.00 on October 10, high $53.00.3 of 7 days to a verdict

Ryobi One+ 18v Lithium Ion 2.0ah Battery and Charger Kit, Extreme Weather Performance Fast Charging Under 1 hour at Amazon

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Ryobi One+ 18v Lithium Ion 2.0ah Battery and Charger Kit, Extreme Weather Performance Fast

$50.00Verified Oct 10, 4:44 AM UTC

Recorded low $50.00 on October 10, high $50.00.3 of 7 days to a verdict

CRAFTSMAN V20 Battery, 2.0 Ah, Lithium Ion Battery (CMCB202) at Amazon

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CRAFTSMAN V20 Battery, 2.0 Ah, Lithium Ion Battery (CMCB202)

$45.26Verified Oct 10, 7:47 AM UTC

3 of 7 days to a verdict

RYOBI ONE+ 18V HIGH Performance Lithium-Ion Compact Battery PBP003 at Amazon

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RYOBI ONE+ 18V HIGH Performance Lithium-Ion Compact Battery PBP003

$37.90Verified Oct 10, 4:46 AM UTC

Recorded low $37.90 on October 10, high $37.90.3 of 7 days to a verdict

RYOBI ONEAND 18V 2.0 AH Lithium-ION HIGH Performance Battery PBP003 at Amazon

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RYOBI ONEAND 18V 2.0 AH Lithium-ION HIGH Performance Battery PBP003

$31.00Verified Oct 10, 4:43 AM UTC

3 of 7 days to a verdict