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Under $20 General Purpose Battery Testers

Shop the best prices on 5,462 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
Universal Battery Checker for AA, AAA, C, D, N, and Button Cell Types
$22.95 Save $18.00 RRP: $40.95
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
Digital Battery Tester, Universal LCD Battery Tester for AAA/AA/C/D Button Cell 1.5V-9V Mini Batteries
$20.95
2pcs Battery Checker Tester Battery Capacity Tester Battery Checker Battery Tester Checker
$10.95 Save $48.05 RRP: $59.00
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
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
LCD Display Button Cell Battery Checker Battery Monitors Tester Battery Tester Checker Small Volts Checker Multicolor
$19.95
Battery Tester, Universal Battery Checkered Small Battery Testers for AAA AA C-D 9V 1.5V Button Cell Household Batteries Black
$0.95
DC Digital Voltmeter: 12V-60V Lithium Battery Gauge, Red Display, Easy Install & Durable
$20.95
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
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
Precision Battery Tester with LED Display, Wide Compatibility, Compact for Home and Travel
$20.95 Save $11.00 RRP: $31.95
Digital Battery Tester BT168 LCD Display for AA AAA C D 9V and Button Cell Voltage Check
$20.95 Save $11.00 RRP: $31.95
Digital Battery Tester with Accurate Display for AA AAA C D 9V, Easy PushPull Detection
$20.95 Save $11.00 RRP: $31.95
Digital Battery Tester with Color LCD for AA AAA C D 9V Button Cells Capacity Check
$20.95 Save $11.00 RRP: $31.95
Lithium Battery Level Indicator 3.7V4.2V Mini LED Voltage Display Module for Charge Status
$20.95 Save $11.00 RRP: $31.95
Battery Tester with LCD Display for AA AAA C D 9V Button Cells, Universal Capacity Checker
$21.95 Save $10.00 RRP: $31.95
Universal Battery Tester for AA AAA 9V Batteries, Instant Battery Status, No Power Required
$20.95 Save $11.00 RRP: $31.95
Universal Digital Battery Tester for AAA AA C D 9V with LCD Display Capacity Analyzer
$20.95 Save $11.00 RRP: $31.95
Battery Capacity Indicator with Reverse Connection Protection, LED Display for 3.7V 2S Lithium Batteries
$20.95 Save $11.00 RRP: $31.95
Battery Capacity Indicator with Reverse Connection Protection, LED Display for 3.7V 2S Lithium Batteries
$20.95 Save $11.00 RRP: $31.95
Universal Digital Battery Tester for AA AAA C D 9V with Wide Voltage Compatibility
$20.95 Save $11.00 RRP: $31.95
5PCS 2 in 1 18S Lipo Battery Voltage Tester with LED Display RC Low Voltage Alarm and Monitor
$20.95 Save $11.00 RRP: $31.95
Universal Battery Tester for AA AAA C D 9V and Button Cell, Instant Status, No Power Required
$20.95 Save $11.00 RRP: $31.95
3.7V Lithium Battery Level Indicator Module with UltraThin LED Voltage Display Meter PCB
$20.95 Save $11.00 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
Battery Tester with LCD Display for AA AAA C D 9V Button Cells, Universal Capacity Checker
$21.95 Save $10.00 RRP: $31.95
Digital Battery Tester Precision Capacity Analyzer for AAA AA 9V and Button Cell
$20.95 Save $11.00 RRP: $31.95
Precision Battery Tester with LED Display, Wide Compatibility, Compact for Home and Travel
$20.95 Save $11.00 RRP: $31.95
Battery Tester for LR44 CR2032 CR2025 Coin Cells, Quick Voltage Check, Compact Pocket Size
$20.95 Save $11.00 RRP: $31.95