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Under $20 Power Tool Batteries

Shop the best prices on 1,768 great value under $20 power tool batteries. Shopping for power tool batteries is easy with Fruugo, with SALE discounts, offers and savings on Guangzhou Aidai Trading Co., Ltd, Rosfix, Guangzhou Lihua Trading and more. Buy power tool batteries online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 1,768
Makita 6ah Makita 18v Battery Bl1830b Bl1850b Bl1850 Bl1840 Bl1860 Bl1815 Replacement Lithium Battery guti
$21.95 Save $5.00 RRP: $26.95
Power Wheel Adapter for Makita 18V LXT Battery
$5.95 Save $53.05 RRP: $59.00
3Pcs BL1830 Charger Connector Terminal for Makita 14.4V 18V Li-Ion Battery PCB Board BL1815 BL1430 BL1415 BL1845 BL1460
$14.95 Save $7.00 RRP: $21.95
2025 New Dm18d Dca1820 Battery Adapter With Usb For Dewalt 20v/18v For Milwaukee M18 18v Lithium Battery Dcb204 Dcb205 Converter For Dewalt 18v/20v Ni unbrand
$9.95 Save $6.00 RRP: $15.95
Power Wheel Adapter for Dewalt 20 V Lithium Battery
$14.95 Save $26.00 RRP: $40.95
DM18D Battery Adapter Converter with USB Port for Dewalt 18V Tools For Dewalt 20V Li-ion For Milwaukee 18V Li-ion Battery Edition 0120
$14.95 Save $49.05 RRP: $64.00
Protective Circuit Board with for 18V BL1850B BL1840B Battery 54DB
$21.95
BL1850B/BL1830B Battery Protector Circuit Board Replacement Battery Protections Board for Makita 18V Battery Mainboards
$18.95
2Pc Battery Adapter for Makita 18V Lithium Battery Power Tool Connector Adapter Dock Holder for Power Tool BL1830 BL1840
$18.95 Save $11.00 RRP: $29.95
Battery Adapter Converter Compatible for Makita to Dewalt
$20.95 Save $12.00 RRP: $32.95
Adapter for Hilti 22V B22 Battery Convert to for Milwaukee 18V Cordless Tool szsh02
$19.95 Save $44.05 RRP: $64.00
4Pcs Replacement M12 Battery Case for Milwaukee,Cordless Power Tool Batteries Cover Bottom Shell Housing Kit 48-11-2411
$18.95
Milwaukee M18 to Makita 18V Battery Adapter for DEWALT 20V Tools
$21.95 Save $37.05 RRP: $59.00
DM18M Battery Convertor Adapter for Milwauke M18 for DEWA 20V Battery Convert to for Makita 18V BL18
$17.95 Save $56.05 RRP: $74.00
2X BAT610 18V Lithium-Ion Battery PCB Charging Protection Circuit Board for Boschs 18V Li-Ion Battery
$17.95 Save $10.00 RRP: $27.95
Battery Cable Terminal End Battery Clip Connector For Hyundai Kia unbrand
$20.95 Save $5.00 RRP: $25.95
10M 18650 Li-Ion Battery Nickel Sheet Plate Nickel Plated(0.1X5X10M)
$10.95 Save $7.00 RRP: $17.95
DM18M Battery Convertor Adapter for Milwauke M18 for DEWA 20V Battery Convert to for Makita 18V BL18 A-B
$21.95 Save $12.00 RRP: $33.95
For Makita 18V Battery to Lidl Parkside X20V Li-Ion Battery Converter 25-26
$17.95 Save $18.00 RRP: $35.95
2025 New Dm18d Dca1820 Battery Adapter With Usb For Dewalt 20v/18v For Milwaukee M18 18v Lithium Battery Dcb204 Dcb205 Converter For Dewalt 18v/20v Ni unbrand
$10.95 Save $3.00 RRP: $13.95
3.7V 1200mAh Large Capacity Laser Level Rechargeable Battery Leveling Machine Accessory 4 Specs Optional szrh21
$15.95 Save $43.05 RRP: $59.00
Dm18rl Converter Battery Adapter For Dewalt 20v For Milwaukee 18v M18 Llithium Battery Convert To For Ryobi Power Tools unbrand
$14.95 Save $9.00 RRP: $23.95
RYB18MT Battery Adapter for Ryobi 18V ONE+ Li-Ion Battery P107 P108 Convert to for Makita 18V Li-Ion Battery Power Tools
$17.95 Save $4.00 RRP: $21.95
BAT411 BAT420 Li-Ion Battery Plastic Case PCB Charging Protection Board Box for Bosch 10.8V 12V BAT412A BAT413A
$19.95
DM18D Battery Adapter Converter with USB Port for Dewalt 18V Tools For Dewalt 20V Li-ion For Milwaukee 18V Li-ion Battery Edition 0107
$20.95 Save $48.05 RRP: $69.00
M12 Battery Case Replacement for 12V 6.0 48-11-2460 4.0 48-11-2440 3.0 48-11-2402 2412 Protective Plastic Shell
$17.95 Save $11.00 RRP: $28.95
2pcs M12 Battery Charging Protection Pcb Circuit Board For Milwaukeee 12v 48-11-2411 M12 Li-ion Bat
$16.95 Save $9.00 RRP: $25.95
Adapter for Makita 18V LXT Battery Designed for Power Wheel Usage
$5.95 Save $53.05 RRP: $59.00
DW12V DIY Battery Adapter for Dewalt 10.8V-12V Li-Ion Battery Power Wheel Adaptor Dock Holder with 14 Awg Wires,Yellow
$16.95 Save $9.00 RRP: $25.95
3X BAT411 Li-Ion Battery Charging Protection Board PCB Board Circuit Board for Bosch 10.8V 12V Battery
$16.95 Save $9.00 RRP: $25.95
for Power Wheels Battery Adapter for Dewalt 20V Battery 18V Dock Power Connector with 12 Gauge Wire,
$15.95 Save $5.00 RRP: $20.95
Over Discharge Protection Module for 3.7V 4.2V 18650 Liion Lithium Battery Charger
$20.95 Save $25.00 RRP: $45.95