Top 10 Best 18650 Battery Tester In 2024

1. HiLetgo Battery Capacity Meter Discharge Tester Analyzer 1.5V-12V Battery Capacity …

• Brand: HiLetgo
• Manufacturer: HiLetgo®
• Color: Blue

Features

• Power supply voltage: DC4.5-6V (micro USB interface) ; Working current: less than 70mA. Supported by current: the maximum 3.000A resolution 0.001A.
• The maximum measurement error voltage: 1%+0.03V ; The maximum measurement error of current: 2%+-0.010A.
• The discharge voltage: 1.00V-15.00V resolution 0.01V ; Termination voltage range: 0.5-11.0V.
• Board size: 50mmX34mm ; Product size: 50mmX36mmX17mm (length X width X high maximum position size, containing copper foot height)
• Note: this circuit in order to improve the voltage measurement accuracy, specially designed DC bias.when the terminal is what all don’t pick will display a small voltage, does not affect the actual measurement.if you are short connected with the input terminal (absolute 0V) will display 0. To understand the principle can consult the superposition theorem in electrical engineering.

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2. Universal Battery Checker Tester with Leads LCD Display, Battery Capacity …

• Brand: X-cosrack
• Manufacturer: Merya
• Color: Black

Features

• HIGH COMPATIBILITY: This digital battery tester fit for all common batteries from small to large- AAAA, AAA, AA, A, C, SC, D, 9V, 3.7V 10440,18650, CR2, CRV3, 2CR5, A13, various button cell(LR621, CR2032)etc.; perfect household battery tester for disposable and rechargeable batteries
• CLEAR LCD SCREEN: Easy to read the state of your battery, it will analyze whether your battery is good or not or whether they need to be charged; compact and lightweight tool, portable handheld tester
• MULTI-FUNCTIONAL TESTER: This battery checker can not only detect battery capacity percentage level precisely, but measure the voltage and internal resistance of household battery, equal to simple multimeter. Capacity percentage indicates battery power is high or low, and resistance reflects whether battery quality is good or not, smaller resistance, better battery
• EASY TO USE: Just switch corresponding voltage and use leads to test, no need to insert battery into slot; the digital tester will quickly show the status of your batteries’ health, helps to avoid battery damage from overcharging. POWERED by 2 NON-RECHARGEABLE AAA ALKALINE BATTERIES
• WHAT YOU GET: Dlyfull universal battery checker tester (2 AAA batteries not included), 24hrs freindly customer service and 100% unconditional return or refund if any quality problem

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3. 2 Pieces Digital LCD Universal Battery Tester (Model: BT – …

• Brand: Weewooday
• Manufacturer: Weewooday

Features

• Universal battery tester: the battery tester is suitable for AAA, AA, C, D, 18650, 9V alkaline, dry batteries or rechargeable batteries; Battery power tester can display battery power instantly
• Portable battery tester: this portable battery tester is small and light, easy to carry, and can test the battery anytime and anywhere; The small size is suitable for putting in a kitchen drawer, desk, toolbox or in a pocket
• No battery required: the device does not need an additional battery to work, and it generates electricity from the battery under test; Shorten test time to avoid unnecessary battery consumption
• Digital display screen: the universal battery tester has digital display function, which can directly display the battery status, digit indicates power level
• Essential tool: this is an essential tool for people who need to use standard or rechargeable household batteries; The portable battery level indicator can tell you whether you need to replace the battery, thereby effectively avoiding waste

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4. 8 Slots 18650 Battery Charger XTAR VC8 Charger USB C …

• Brand: XTAR
• Manufacturer: ShenZhen XTAR Electronics Co., Ltd
• Color: Black
• Dimensions: Weight: 1.10010668738 Pounds `

Features

• 1. 18650 battery charger XTARV C8 Charge max 8 pack protected 21700 Batteries simultaneously, can Charge 8 different sizes rechargeable li ion 18650 20700 or 1.2V Ni-MH AA AAA C batteries at the same time(Not including any battery)
• 2. Come with QC3.0 wall charger,max 3A current for a single slot of CHI /CH8 when the battery resistance is low enough. The VC8 charger also has 5 optional currents (3A 2A 1A 0.5A 0.25A) for users to choose
• 3. In grading mode (for CH1-CH4), the charger tests batteries’ real capacity by “charging-discharging-charging” the batteries, so that users can know whether the battery capacity is overstated or not, and also distinguish good-performance batteries with the bad ones
• 4. Built-in high-precision MCU and real-time temperature control protection system, prevent over-current, over-charged, over-voltage, and short-circuit,it will automatically stop charging after fully charged batteries, safe and worry-free
• 5. Package list: VC8 Charger(not included batteries), QC3.0 wall charger(Black or White Color), USB C Cable, （Extra 8 battery sleeve, sticker as gifts and it will be shipped by random , maybe 2pcs 18650 battery cases )

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5. LCD2-T 18650 Battery Charger, LCD Screen Can Display Capacity, with …

• Brand: WISSBLUE
• Manufacturer: WISSBLUE

Features

• 【DISCHARGE DETECTION CAPACITY】: 18650 Charger Slot 1 Can Realize Charging-Discharging-Charging Detection For The Battery To Identify The Real Capacity Of The Battery In Detail
• 【SMART LCD DISPLAY】;LCD2-T 18650 26650 Charger Monitors Detailed Real Battery Condition, Time Per Charge/Charging Capacity, Battery Voltage, Charging Progress %, Battery Type, Charging Speed
• 【SAFELY ADJUST CHARGING SPEED】: Switch Between Slow/Medium/Fast Charging As Needed, Shorten Charging Time By Up To 35%, Intelligent Circuit To Prevent Short Circuit, Overheating, And Overvoltage，Automatic Stop When Full
• 【18650 BATTERY CHARGING TIME】: 2.5 Hours Full 18650 Rechargeable Battery 3400mah, 3.5 Hours Full 21700 Battery 5000mah, 0.5 Hours Full Amazonbasics 800mah AAA Battery
• 【UNIVERSAL CHARGER】: Universal Usb Interface, You Can Use Solar Charger, Mobile Power, Computer, Car Charger, Usb Wall Charger, Etc. To Charge 18650 Batteries Anytime And Anywhere. Best 18650 Battery Capacity Tester, Suitable For Home Or Outdoor

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6. Battery Charger Analyzer Tester for Li-ion NiMH NiCd Rechargeable Batteries …

• Brand: Opus
• Manufacturer: OIC Ltd
• Dimensions: Height: 2.0 Inches Width: 4.0 Inches Length: 7.0 Inches

Features

• Charger Tester Analyzer For Li-ion (Lithium ion) NiMH or NiCd rechargeable batteries.
• Four indepentent channels can be programmed individually or all together. Charge, discharge, condition or analyze one to four Li-ion, NiMH or NiCd rechargeable batteries.
• Adjustable charging rate from 200 to 2000 mA. (1000 mA max 4 channels) Negative delta V (-dV) full charge detection for NiMH/NiCd. CC/CV for Li-ion rechargeable cells.
• Back lighted LCD Digitally displays capacity, voltage, time elapsed and current. Five modes of operation for each channel: Charge: Discharge: Discharge Refresh: Charge Test: Quick Test:

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7. LiitoKala Lii-500 Battery charger for 18650 26650 AA AAA battery …

• Brand: LiitoKala
• Manufacturer: LiitoKala
• Dimensions: Height: 6.38 Inches Width: 3.78 Inches Length: 1.42 Inches

Features

• battery types Supports:1.2V Ni-MH / Ni-CD to 3.7V Li-ion battery.For AA AAA 18650 26650 18490 18350 17670 17500 16340 RCR123 14500 IMR 10440
• Test the battery capacity: Long press the Model key to select the Nortest mode, the charger will automatically complete the test. You only need to wait for the result.
• How long need charging? : The charger has 300mA/500mA/700mA and 1000mA charge current. 2000mA battery, using 1A charging current, about 2.5 hours full. Other battery charging times are calculated like this.
• Safety: The Lii-500 charger features “reverse battery protection, high temperature protection, overcharge protection and over discharge protection”. It is a safe and reliable chargers, please rest assured that use.
• Quality assurance:We offer 12 months.Please contact me if you have any questions during use. Buying a charger is the beginning and our service is not terminated.

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8. JCB Digital LCD Universal Battery Tester (Model: BT-168 PRO),Battery Tester …

• Brand: JCB
• Manufacturer: JCB

Features

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9. 18650 Battery Charger,MiBOXER 8-Bay Smart Charger with Automatic LCD Display,Fast …

• Brand: COSOOS
• Manufacturer: COSOOS
• Color: 8-bay battery charger
• Dimensions: Height: 1.3 Inches Width: 5.5 Inches Length: 7.2 Inches

Features

• ⚡【8-Bay Battery Charger 】Our chargeable battery charger is made of PC Fire retardant material with excellent heat dissipation and electronic circuit design. When battery is reversed or short-circuited, it will show error symbol. After battery fully charged, it just sopped charging automatically. If the battery is over discharged, our smart charger can even activate this battery. If it is damaged, LCD display will show error and stop charging.
• ⚡【Universal Battery Charger】Multi-bay battery charger is fully compatible with Li-ion /IMR /INR /ICR /LiFePO4(3.6V): 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430,14500, 14650, 16500,16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490,18500,18650,18700, 20700, 21700,(Support battery up to 73mm long) 22500, 22650,25500, 26500, 26650; Ni-MH / Ni-Cd(1.48V): AA, AAA, AAAA, C,SC. Dual power input with DC 12V/3A (support car charge, but not included)
• ⚡【Fast Charging, Easy to Use】This Intelligent battery charger charges 8 rechargeable different type of cylindrical batteries simultaneously. You can set the single-channel charging current up to 1.5A max. Automatically/manually select the optimum charge current. Supports 8-bay simultaneous independent charging without affecting. ⚠️ Please noticed that it can auto detect Li-ion(4.2v) and Ni-MH/Ni-Cd(1.48v), but you need to select set battery type when charging Li-ion(4.35v) and LiFePO4.
• ⚡【Multi-Functional LCD Display】This 18650 and AAA/AA battery charger with large screen display can show voltage,current,charging time,mode,battery type,internal resistance and battery capacity that charged, easily to understand the charging datum. The LCD back-light will become dark after 1 minutes without any operation.
• ⚡【Birthday Gift Choice】Package includes 1* Battery fast charger(without battery), 1* power adapter, 1* user manual. One of memorable presents that you can give.

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10. ZTS – Mini Multi-Battery Load Tester Mini-MBT

• Brand: ZTS
• Manufacturer: ZTS
• Dimensions: Height: 4.0 Inches Width: 0.75 Inches Length: 2.5 Inches Weight: 0.23 Pounds `

Features

• ACCURATE MEASUREMENT: Patented high accuracy Pulse Load Technology measures the charge and life of your batteries under a load; more reliable than just a voltage readout
• SIMPLE TO USE: No switches or settings, fully automatic 2-second test easily identifies weak or failing 1.5 V AAA AA C D N 1.2v NiMH NiCd 3.6v Li-Ion 3v Photo Lithium 9v alkaline batteries
• SAVES YOU MONEY: Test the remaining percentage of your battery’s capacity before recycling it, keep an eye on all the batteries in your home
• COMPACT DESIGN: Small size is easy to pack and travel with, probe and lead wire conveniently store away in the seam
• BUY WITH CONFIDENCE: Proudly made in the United States with a one year warranty from date of purchase

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