
InLine Battery tester with LCD display
Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.
With the InLine Universal Battery Tester, you can check the charge status of all common batteries and rechargeable batteries. It can test over 12 different types of batteries. After inserting the battery into the appropriate slot, the capacity status is displayed on the practical LCD screen.

InLine Battery tester with LCD display
A must-have for travel: Is the battery capacity still sufficient? This is a question that is relevant not only for your photography equipment. The batteries of flashlights often run out at the most inconvenient times as well. This multi-battery tester digitally displays the charge status and battery voltage, so you know exactly whether your batteries still have enough power or if you should bring spares in your hiking backpack.
Operates without batteries: The multi-battery tester requires no battery. To check batteries and button cells, it briefly uses the power of the battery being tested. Therefore, this robust little battery tester is always ready for use and can be conveniently carried in your jacket pocket or the glove compartment of your car.
Nearly universal: With this multi-battery tester, you can check various power sources. It can test the most common battery types (AAA, AA, C, D), as well as button cells (1.2 V / 1.5 V / 3.0 V) and 9 V block batteries. This ensures that battery-operated toys and small electronic devices are always ready for use. At the same time, the environment benefits from this device, as batteries will no longer be disposed of prematurely.
Battery tester: Operates using the energy of the battery being tested.
Compact and robust battery tester.
Displays charge status and battery voltage (V).
Suitable for the most common battery types and rechargeable batteries (AAA, AA, C, D, button cells with 1.2 V / 1.5 V / 3.0 V, 9 V block batteries).
Can prevent flash units and cameras from failing during an outing.
Reduces environmental impact by ensuring batteries are fully used - no flashlight or camera will fail at an inconvenient time.
Dimensions: (L x W x H) - 8.9 x 2.5 x 2.7 cm - length changes when a battery is inserted for testing.
Weight: 38 g.

Digital Battery Tester
The VARTA digital LCD battery tester allows for a quick and easy check of the charge status of batteries, rechargeable batteries, and button cells. With its user-friendly LCD display, it accurately shows how much energy remains in the tested cells, enabling you to make informed decisions about which batteries are still usable. It supports a wide range of battery types, including AA, AAA, C, D, 9V, and button cells, offering great flexibility. The device is compact and easy to use, making it ideal for regular use at home. It helps avoid unnecessary battery waste and saves costs.
Details
Easy-to-use, precise universal battery tester from VARTA with a clear LCD display.
Compatible with AAA (Micro), AA (Mignon), C (Baby), and D (Mono) formats with 1.2 V and 1.5 V, as well as 9V block (NiMH, Alkaline) and button cells with 1.2 V, 1.5 V, or 3.0 V.
Printed with a practical voltage chart that breaks down the charge status of the inserted battery type.
The clamp mechanism on the top allows for easy insertion of all compatible battery sizes into the battery tester.
Equipped with a sliding switch for safe on and off operation.
Includes 2x LR44 button cells for the operation of the battery tester.
Dimensions: 4.3 x 1.9 x 8.8 cm.

With the practical storage box from Ansamann, you can keep your batteries organized and protected at all times. The storage box can hold a total of 44 cells: 24 AA, 16 AAA, and 4 9V block batteries. This way, you always have your most commonly used batteries or rechargeable batteries readily available at home and on the go.
In the battery box, the 9V blocks are not only optimally organized, but the box also provides excellent protection against moisture and dust. Most importantly, the box prevents annoying discharges through proper storage, which often occurs during transport or when loose batteries are lying around. By using the storage box, the risk of a short circuit between the cells is eliminated. Your batteries and rechargeable batteries are optimally protected from dust and moisture in the resealable box with a sturdy lid.
The box features practical hanging loops on the back, making it easy to mount on the wall with the included screws.

Ansmann Battery box for 24x AA, 16x AAA
Guarantees optimal storage of up to 8x Micro AAA/Mignon AA batteries or rechargeable batteries. Stop short-circuited batteries or accidental discharge. Can fit in any pocket.

Universal battery tester for type AAA, AA, C, D, 9V and button cells.

Steffen Universal Batterie-Tester
Not just perfect for professionals
The Qoltec battery tester is an advanced technology for checking and diagnosing battery issues. It is the ideal tool for anyone who wants to know the current condition of their battery, not just specialists. You can now easily identify the cause of the problem and avoid serious breakdowns as well as costly diagnostics, such as at the auto repair shop.
Precise and reliable readings
The easy-to-read LCD display is one of the many advantages of this product. All parameters in one place. With the Qoltec battery tester, analyzing battery health has never been easier. You can measure the battery voltage, the CCA current of the starter, check the condition and lifespan of the battery, measure the internal resistance of the battery, and quickly identify faults.
Intuitive operation
The Qoltec battery tester stands out by using advanced conductivity testing technology to provide accurate measurement results for AGM, GEL, VRLA, EFB, and STD batteries. Keep in mind that an incorrect test result does not always mean the battery is defective; corrosion and various dirt can affect the measurement, so it is advisable to clean the points where you place the probes before testing.
Always with you - for peace of mind
Having your own battery tester can save you from unpleasant situations in many cases - you can check the condition of your battery at any time. Additionally, thanks to its compact size and lightweight design, you can always carry it with you and store it in your car's glove compartment to check your battery's condition on the go. Battery voltage decreases with prolonged use, and frequent checks allow you to detect deviations early.

Test device for many types of rechargeable and non-rechargeable batteries. The compact and user-friendly tester checks the energy content of the most common rechargeable and non-rechargeable batteries within a very short time. This means you can quickly see whether your rechargeable battery still has sufficient energy or should be replaced.
The LC display shows the battery voltage in volts with a decimal display and an additional bar display with 22 segments.
Simple operation: The voltage of the battery type to be tested is set using the slide switch on the side: 1.2V NiMH battery, 1.5V battery, 3V lithium battery or 3.6V Li-ion battery.
1. pull out the side battery compartment
2. insert battery with correct polarity
3. slide the battery compartment closed
4. display appears
A 9V block can be tested directly on the contacts. The position of the slide switch is not relevant for this. The tester itself does not require its own battery for power supply.
The following battery sizes and types can be tested:
1.5V batteries: AAAA (Mini), AAA (Micro), AA (Mignon), C (Baby), D (Mono), N (Lady);
1.2V NiMH/NiCd rechargeable batteries: AAA (Micro), AA (Mignon), C (Baby), D (Mono);
9V battery: 9V block (E);
9V NiMH rechargeable battery: 9V (8.4V) block (E);
3.6V/3.7V Li-Ion batteries: 14500, 14650, 16340, 17500, 18500, 18650, 22650, 26650;
3V lithium button cells: CR2025, CR2032, CR2320, CR2330, CR2354, CR2430, CR2450, CR2477, CR3032;
3V lithium photo batteries: CR2, CR123A.

Guarantees optimal storage of up to 4 micro AAA or Mignon AA batteries, including rechargeable batteries. Prevents short-circuited batteries or accidental discharge. Compact enough to fit in any pocket.

The battery holder for chassis mounting from RS Pro is a practical solution for the secure and reliable attachment of four AA batteries. Made from durable polypropylene (PP), this holder provides a long-lasting and stable base for your batteries. The holder is specifically designed for press-fit installation, allowing for easy installation in various applications. With a nickel-coated contact and steel contact material, the holder ensures optimal electrical connection and a long lifespan. This battery adapter is ideal for projects requiring a reliable power supply and is suitable for both hobby and professional applications.
- Made from durable polypropylene (PP)
- Press-fit connection for easy mounting
- Nickel-coated contacts for improved conductivity.

RS PRO Battery holder for chassis mounting for 4 x AA batteries