Liitokala Lii M4S 4-Slot Multifunctional Battery Charger

The Liitokala M4S is a 4-slot multifunctional battery charger listed for people who use several rechargeable cells at home, at work or on a hobby desk. According to the listing, it supports sizes including 26650, 21700, 14500, 18350, AA, AAA and C, and it offers four operation modes in one unit. This guide covers who it suits in Bangladesh and what the listing does and does not confirm.

• Overview
• Key features
• Specifications
• How to use / set up
• Compatibility and what is in the box
• Who should buy it in Bangladesh
• Alternatives in our store
• Warranty and support
• Delivery, returns and ordering
• Frequently asked questions

Liitokala M4S overview: what it is and who it suits

A multi-slot charger such as the Liitokala M4S is useful when you own several rechargeable cells and want to manage them in one place rather than using a separate charger for each. The listing describes four slots and four channels, so the Liitokala M4S can handle up to four cells at a time. For general background on the device type, see background on battery chargers.

The Liitokala M4S brings four functions into one unit: charging, discharging, a capacity test and a storage mode. The listing names four operation modes: Charge, Discharge, Test (capacity detection) and Storage (optimised battery storage voltage). According to the listing, multiple modes can help increase battery lifespan by allowing proper charging, discharging and storage. That is the maker’s claim, presented here as listed.

For Bangladeshi buyers the question is practical. Do you have enough cells to justify a dedicated charger, and are your cells in the sizes the Liitokala M4S supports? Read the compatibility section and confirm your cell size against the listing before you decide. If your cells are mostly one size today, a charger with a wide size range can still be useful when your collection changes over time.

Key features

The listing groups the main points into the features below. Each point is taken from the listing for the Liitokala M4S, with a short note on how it may matter to buyers in Bangladesh.

Compatible with many battery sizes

The listing says the Liitokala M4S is compatible with multiple battery types and sizes, including 26650, 21700, 14500, 18350, AA, AAA, C and others. The supported sizes also include 18650 and 17500. For many households the mix matters more than any single size. A torch may take AA cells, a remote control may take AAA, and a cell for another device may be a different format altogether. The listing presents the Liitokala M4S as a way to bring those common sizes together. Keep the size list beside you when you sort your cells, because the phrase and others means the listing does not name every size.

A clear LCD screen with touch controls

The listing describes a clear LCD screen that displays charging status, error messages and battery parameters. It also refers to touch-sensitive controls, and it describes the unit as compact and easy to use. For buyers who charge several cells at once, a screen that shows charging status is practical because it helps you keep track of progress. The listing also mentions error codes and automatic error detection for damaged or reversed batteries. It does not explain every code, so follow the included manual for guidance on what each message means. Check the status shown on the Liitokala M4S at the start of each session.

Four operation modes in one device

The listing names four modes: Charge, Discharge, Test (capacity detection) and Storage (optimised battery storage voltage). Charge is the listed mode for charging cells. Discharge is listed with two current options, 250mA and 500mA, for the DISCHARGE and TEST modes. The listing says accurate capacity testing helps assess battery health and performance, which is the purpose the maker gives for the Test mode. Storage mode is listed for lithium-ion batteries and maintains an optimal 3.7V voltage, and the listing notes that it is available only for lithium-ion batteries. The Liitokala M4S therefore suits buyers who want charging, discharging and storage in one place.

Adjustable charging currents

The listing gives four charging currents: 300mA, 500mA, 700mA and 1000mA. The 700mA and 1000mA settings are limited to two channels at a time, and the listing includes this limit among its cons. Once a current is selected, the listing says it locks to prevent accidental changes. It also describes automatic current reduction in multi-channel scenarios and automatic current adjustment based on battery and channel usage. For the Liitokala M4S, this means the highest settings are best planned around the number of cells you want to run at once. Choose the current that matches your cells and your timing, and keep the two-channel limit in mind when you load a full set.

USB 5V/1000mA output

The listing gives a USB output of 5V / 1000mA for powering mobile devices. It is effective when a battery is connected to channel 4, according to the listing. The Liitokala M4S therefore offers a simple convenience for phones and similar devices, provided a battery sits in channel 4. The package also includes a USB charging cable, which is relevant if you want to use that port. Plan your cells so the one you want to use for USB output is in channel 4 before you start.

Safety features and a compact design

The listing says the Liitokala M4S includes safety features: error detection for damaged or reversed batteries and automatic current reduction in multi-channel scenarios. These are listed as ways to protect batteries and the charger from misuse or faults. The design is described as compact, with easy-to-use touch controls. For buyers in busy Dhaka households with limited space, a compact design is listed as a practical point. The listing also notes that manual mode and current selection may require attention during initial setup, so give the first session your full attention.

Specifications

The table below lists the Liitokala M4S specifications exactly as they appear in the product listing, so you can check them against your cells and your power source.

These are listed specifications from the product listing for the Liitokala M4S.

How to use / set up

Start by unpacking the Liitokala M4S and checking the package contents against this guide: one LII-M4S battery charger, one USB charging cable and one user manual.

Follow the included manual for the full setup steps. Keep the manual with the charger so you can refer to it later.

The listing notes that manual mode and current selection may require attention during initial setup. Take your time with the first session on the Liitokala M4S, choose the mode and current you want, and check the status shown before you leave the charger.

Because the listing says the current locks after selection, confirm your choice before you start a session. This helps prevent accidental changes, which the listing names as the purpose of the lock.

Where load-shedding occurs, many households keep spare cells charged. Charge spare cells while the mains is on, because a charger cannot replace a power supply. The Liitokala M4S can fit into that routine, but this is general planning advice, not a feature the listing describes.

Store cells sensibly. The listing says the storage mode for lithium-ion batteries maintains an optimal 3.7V voltage, so use the storage mode on the Liitokala M4S if you plan to leave lithium-ion cells unused for a while. Between sessions, keep the charger and cells in a stable place away from direct sunlight.

Humidity is common across Bangladesh, and damp conditions are hard on any electronic equipment. Keep the charger in a dry spot, wipe the outside with a dry cloth, and avoid leaving it in a damp bag or cupboard for long periods.

Before each session, look over the charger, the USB cable and your cells for visible damage. Do not charge a cell that looks swollen, cracked or leaking, and set it aside for safe disposal through a proper channel.

Match cell types and sizes where you can. Charging cells of different ages or types in the same session can make it harder to track each cell’s condition, so group similar cells together when you plan a charging session.

Compatibility and what is in the box

The Liitokala M4S listing confirms these battery sizes: 26650, 21700, 18650, 14500, 18350, 17500, AA, AAA and C. The phrase and others means the list is not complete, so the sizes above are the ones named in the listing, and nothing beyond them is claimed here.

The package contents listed for the Liitokala M4S are one LII-M4S battery charger, one USB charging cable and one user manual.

Not confirmed by the listing: whether a power adapter comes in the box, and whether any cells are included. The DC input is listed as 5V / 2A, but a power adapter is not among the package contents, so ask us whether one is supplied with the Liitokala M4S.

Make a short list of the cells you own, including the size of each, before you place an order. That list is the simplest way to check fit against the sizes named in the listing.

Who should buy it in Bangladesh

If your home runs on a mix of AA and AAA cells for torches, remote controls and toys, the Liitokala M4S brings both sizes into one charger, according to the listing. Sorting and charging them together can be simpler than keeping a separate charger for each size.

Hobbyists and DIY users who keep 18650 or 21700 cells for personal projects will find both sizes on the list. The Test and Storage modes are described in the listing for capacity detection and optimised storage, which may be useful for a mixed collection of cells.

Buyers who want a simple USB output for a phone may value the 5V/1000mA port, which the listing says is effective when a battery is connected to channel 4. For Dhaka commuters who want to top up a phone from a spare cell, that is a practical point, but only when the channel condition is met.

If you run a small repair counter or a hobby desk, you may want a charger that handles several cell formats in one place. The Liitokala M4S fits that brief as listed, so check the mode and current needs of your work first.

A family that charges torches and lanterns during load-shedding may find a multi-cell charger handy for its AA and AAA cells. The listing does not describe any link to solar or generator power, so plan your power source yourself.

Buyers who want a simple one-cell charger with no modes may find this device more than they need. Compare the four modes and the currents against your use before you decide.

Gift buyers choosing for a relative who uses torches or other battery devices should start with the sizes named in the listing, because those are the sizes the maker lists as supported.

First-time buyers should read the listed cons: the two-channel limit for 700mA and 1000mA, the lithium-only storage mode, and the note that manual mode and current selection may need attention at the start.

Alternatives in our store

If the Liitokala M4S is not the right match for your cells, these items are available in our store. The Hoco J112 iPx Smart Li-Polymer 2716mAh iPhone X Battery is another battery in our range. The SmarToools RB20 AA 1.5V 2600mWh Rechargeable Battery ( 2 Pcs Set) is another rechargeable battery in our range, and so is the SmarToools RB20 AAA 1.5V 750 mWh Rechargeable Battery (2 Pcs Set). For another battery in our range, see the 21700A Lithium-Ion Rechargeable Battery – 4.2V 5000mAh High Capacity (Made in Japan). To browse the full range, visit our Batteries & Chargers category.

Each link above opens the product page with its listed details, so you can compare those items with the Liitokala M4S before you decide.

Warranty and support

Warranty: 7 Days seller warranty.

Delivery, returns and ordering

If you order the Liitokala M4S from us, the following delivery and returns terms apply. We deliver all over Bangladesh and you pay cash on delivery. Delivery usually takes 1–3 days inside Dhaka city and 2–5 days outside Dhaka.

You can return it within 7 days of delivery (see our Delivery & Returns policy). Questions before ordering: call 09638054751, message us on Facebook Messenger or email care@gadgetsuperb.com.

Before you place an order, check the sizes named in the listing and the package contents above. Then message us if you have a question about fit or delivery.

Cash on delivery is our payment method for orders across Bangladesh, so keep the payment ready when the parcel arrives. Delivery times above are usual timings, not a guarantee for every address.

Frequently asked questions

Does the Liitokala M4S charge 18650 and 21700 cells?

Yes. According to the listing, the Liitokala M4S supports 18650 and 21700 as battery sizes. The listing also includes the phrase and others, so treat the named list as a starting point.

How many batteries can the Liitokala M4S charge at once?

The listing describes four slots and four channels, so up to four cells can be handled at a time. The 700mA and 1000mA settings are limited to two channels.

Which charging currents does the Liitokala M4S offer?

The listing gives 300mA, 500mA, 700mA and 1000mA. The 700mA and 1000mA settings are limited to two channels at a time.

What operation modes does the Liitokala M4S have?

According to the listing, there are four modes: Charge, Discharge, Test (capacity detection) and Storage (optimised battery storage voltage).

Does storage mode work with lithium-ion cells only?

The listing says storage mode is available only for lithium-ion batteries and maintains an optimal 3.7V voltage.

Does the Liitokala M4S have a USB output?

Yes. The listing gives a USB 5V/1000mA output for powering mobile devices, effective when a battery is connected to channel 4.

What is in the box with the Liitokala M4S?

The listing shows one LII-M4S battery charger, one USB charging cable and one user manual. A power adapter is not among the listed package contents.

What warranty applies to this charger?

Warranty: 7 Days seller warranty.

Can I return the Liitokala M4S if it does not suit me?

Yes, you can return it within 7 days of delivery, as set out in our Delivery & Returns policy.

How long does delivery take in Dhaka?

Delivery usually takes 1–3 days inside Dhaka city and 2–5 days outside Dhaka, and you pay cash on delivery.