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Under $20 General Purpose Battery Testers

Shop the best prices on 5,436 great value under $20 general purpose battery testers. Shopping for general purpose battery testers is easy with Fruugo, with SALE discounts, offers and savings on Till, Amyi, Elsavct and more. Buy general purpose battery testers online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 3,200
BT189 9V Battery Tester AA AAA Universal Household LCD Digital Display Button Cell Battery Tester Power Bank Detector Tool
$14.95 Save $10.00 RRP: $24.95
2pcs Battery Checker Tester Battery Capacity Tester Battery Checker Battery Tester Checker
$11.95 Save $47.05 RRP: $59.00
Digital Battery Tester, Universal LCD Battery Tester for AAA/AA/C/D Button Cell 1.5V-9V Mini Batteries
$20.95
4X ZB2L3 18650 Battery Tester External Load Discharge Type 1.2-12V Battery 18650 Equal Capacity Tester Discharge Meter unbrand
$13.95 Save $8.00 RRP: $21.95
For M12 Converter Adapter 30A Fuse for Milwaukee 12V Lithium Battery External Power Supply DIY Connector Bracket Holder
$15.95 Save $7.00 RRP: $22.95
LCD Display Button Cell Battery Checker Battery Monitors Tester Battery Tester Checker Small Volts Checker Multicolor
$20.95
Battery Tester, Universal Battery Checkered Small Battery Testers for AAA AA C-D 9V 1.5V Button Cell Household Batteries Black
$0.95
Low-voltage battery meter with LCD backlight waterproof IP67 12V 84V
$12.95 Save $16.00 RRP: $28.95
LCD backlight battery voltage meter waterproof IP67 12V to 84V
$13.95 Save $11.00 RRP: $24.95
DC Digital Voltmeter: 12V-60V Lithium Battery Gauge, Red Display, Easy Install & Durable
$21.95
Bt-168 Pro Battery Capacity Tester Digital Battery Checker Plastic Portable Cell Tester For Aa 1.5v
$14.95 Save $9.00 RRP: $23.95
Battery Capacity Indicator Module 1 Series Ternary Lithium Battery Power Display LED 3.74.2V
$20.95 Save $11.00 RRP: $31.95
Battery Balancer Capacity Controller Tester -7 LiPo LiFe Li-Fe Li-Ion
$14.95 Save $8.00 RRP: $22.95
XHX Digital Universal Battery Tester, for AAA/AA/C/D Button Cell 1.5V-9V Mini Batteries
$20.95 Save $28.00 RRP: $48.95
AC Pointer Voltmeter 0-500V Scale Range Voltage Test Meter Detector Panel Meters VARVS
$18.95 Save $18.00 RRP: $36.95
Professional Household Battery Tester AAA/AA/3.7v Lithium Battery/9V/LR44
$21.95
Battery Testers Digital Battery Tester Volt Checker Batteries Checker Button Cell Battery Tester 9 Volt Battery Tester
$9.95 Save $3.00 RRP: $12.95
Precision Battery Tester with LED Display, Wide Compatibility, Compact for Home and Travel
$21.95 Save $10.00 RRP: $31.95
Digital Battery Tester BT168 LCD Display for AA AAA C D 9V and Button Cell Voltage Check
$21.95 Save $10.00 RRP: $31.95
Digital Battery Tester with Accurate Display for AA AAA C D 9V, Easy PushPull Detection
$21.95 Save $10.00 RRP: $31.95
Digital Battery Tester with Color LCD for AA AAA C D 9V Button Cells Capacity Check
$21.95 Save $10.00 RRP: $31.95
Lithium Battery Level Indicator 3.7V4.2V Mini LED Voltage Display Module for Charge Status
$21.95 Save $10.00 RRP: $31.95
Battery Tester with LCD Display for AA AAA C D 9V Button Cells, Universal Capacity Checker
$21.95 Save $11.00 RRP: $32.95
Universal Battery Tester for AA AAA 9V Batteries, Instant Battery Status, No Power Required
$21.95 Save $10.00 RRP: $31.95
Universal Digital Battery Tester for AAA AA C D 9V with LCD Display Capacity Analyzer
$21.95 Save $10.00 RRP: $31.95
Battery Capacity Indicator with Reverse Connection Protection, LED Display for 3.7V 2S Lithium Batteries
$21.95 Save $10.00 RRP: $31.95
Battery Capacity Indicator with Reverse Connection Protection, LED Display for 3.7V 2S Lithium Batteries
$21.95 Save $10.00 RRP: $31.95
Universal Digital Battery Tester for AA AAA C D 9V with Wide Voltage Compatibility
$21.95 Save $10.00 RRP: $31.95
5PCS 2 in 1 18S Lipo Battery Voltage Tester with LED Display RC Low Voltage Alarm and Monitor
$21.95 Save $10.00 RRP: $31.95
Universal Battery Tester for AA AAA C D 9V and Button Cell, Instant Status, No Power Required
$21.95 Save $10.00 RRP: $31.95
3.7V Lithium Battery Level Indicator Module with UltraThin LED Voltage Display Meter PCB
$21.95 Save $10.00 RRP: $31.95
Battery Capacity Indicator DC Voltmeter Waterproof LCD Display 8100V for Lead Acid Lithium LiFePO4
$21.95 Save $11.00 RRP: $32.95