LiitoKala LII-500 18650 26650 AA, AAA Battery LCD Display Charger Battery Capacity Test

LiitoKala LII-500 18650 26650 AA, AAA Battery LCD Display Charger Battery Capacity Test

Q: I have 1 w/out the charger. any 12v/2a output charger should work if it fits. but gotta be 100% sure i know if plus is center our outside ring. which?

center is positive almost all the time, and in charging circuits they "usually" have reverse polarity protection built in. If you have the charger it will denote which is positive on the device near the jack, on the bottom, or on the label. the charger will 100% tell you which pole is positive or negative.

Q: does this charge and discharge, the recharge to check for full battery storage ?

Charger has FAST TEST mode and NOR TEST mode. FAST TEST: Discharge the battery to empty, then charge and calculate the battery capacity. NOR TEST: The battery is fully charged and then discharged to empty, this process calculates the capacity.

Q: I test 1000 cells aroun 120 cell were between were between 15% and 45% original capacity. I retested and the capacity went up to aroung 35% to 90% ?

Hola Jose; I'm learning about this, too and have tested a couple hundred cells, but I am just starting to repeat testing. I think it's a good idea to keep track of the resistance, capacity, and time after retesting for each cell before building a battery pack. Also, when it's done discharging to test, it recharges the cells. It's important to ensure the cells don't discharge after a period of time between first test, and subsequent testing. Are you sure the cells were fully charged when you performed the original test? I've found that cells that were sitting discharged, don't perform well on capacity testing, but once they are stored fully charged, the results are more repeatable.

Q: Why does the screen only display the usb symbol? It will not love past that screen and allow me to input desired charging settings.

Only the USB symbol is displayed, indicating that the charger is not connected to the power adapter. You first connect the power supply to charge the battery.

Product ID: 725635288

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Details

Brand
LiitoKala
Product Dimensions
1.42"D x x
Item Weight
15.5 Ounces
Output Voltage
4.2 Volts (DC)
Input Voltage
12 Volts

⚡Adjustable charging currents: 300mA to 1A

🔋Supports 1.2V-3.7V Li-ion & NiMH batteries

🛡️4-layer safety: reverse, temp, overcharge, discharge

Frequently Bought Together

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Description

🔌 Power up smarter, safer, faster — never run out when it counts!

ROCK SOLID SAFETY - Built-in protections keep your batteries and you safe 24/7
SMART CAPACITY TESTING - Instant battery health check with one button press
FAST FLEXIBLE CHARGING - Choose from 300mA, 500mA, 700mA, or 1A currents for optimal speed
RELIABLE SUPPORT WARRANTY - 12-month coverage with responsive customer care for peace of mind
UNIVERSAL BATTERY COMPATIBILITY - Charges AA, AAA, 18650, 26650 & more with ease

The LiitoKala LII-500 is a versatile LCD display charger supporting a wide range of rechargeable batteries including Li-ion and NiMH types. It features selectable charging currents from 300mA to 1A, enabling fast and efficient charging tailored to your battery size. With built-in protections against reverse polarity, overheating, overcharging, and discharging, it ensures safe operation. The integrated capacity test function lets you monitor battery health instantly. Compact and reliable, it comes with a 12-month warranty and dedicated customer support.

Specifications

Batteries Included	No
Batteries Required	No
Brand	LiitokaLa
Product Dimensions	3.61 x 9.6 x 16.21 cm; 439.42 g
Item Weight	15.5 Ounces

Have a Question? See What Others Asked

I have 1 w/out the charger. any 12v/2a output charger should work if it fits. but gotta be 100% sure i know if plus is center our outside ring. which?

does this charge and discharge, the recharge to check for full battery storage ?

I test 1000 cells aroun 120 cell were between were between 15% and 45% original capacity. I retested and the capacity went up to aroung 35% to 90% ?

Why does the screen only display the usb symbol? It will not love past that screen and allow me to input desired charging settings.

Common Questions

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