Why does the charger restart or flash during charging?

The C4EVO requires a fast-charging USB-C adapter (PD/QC) with at least 18W output. Low-power adapters may cause restarting, flashing, or unstable charging.

Why does the battery get warm during charging?

The default current is up to 1.5A for faster charging, which may cause warmth. For lower heat and longer battery life, we recommend reducing it to around 0.6A.

How do I charge 1.5V Li-ion batteries?

Update C4EVO to firmware V2.0.0.1 or later using Windows only. Then manually select “1.5V Li-Ion” mode—not the standard “Li-Ion” mode—before charging.

Can C4EVO discharge or analyze 1.5V Li-ion batteries?

No. For 1.5V rechargeable Li-ion batteries, C4EVO supports charging only. Discharge, Analysis, Cycle, and other maintenance modes are not available.

What is Destroy mode used for?

Destroy mode safely discharges batteries before disposal. It is designed for damaged or unwanted batteries and is not intended for normal daily use.

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ISDT C4 EVO Smart Universal Fast Battery Charger Analyzer | AA AAA 18650 21700 Compatible, Capacity Tester Discharger for Ni-MH/NiZn/Li-Ion with Cycle Activate, USB-C Input 1.5V Charge

ISDT C4 EVO Smart Universal Fast Battery Charger Analyzer | AA AAA 18650 21700 Compatible, Capacity Tester Discharger for Ni-MH/NiZn/Li-Ion with Cycle Activate, USB-C Input 1.5V Charge

Product ID: 60442109

Details

Brand
ISDT
Input Voltage
5 volts
Item Weight
195 g
Output Voltage
5 volts
Specification Met
RoHS

⚡Adjustable 3A charging current

📊Real-time battery data display

🔋6 independent charging bays

B/.169

Duties & taxes included

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Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Power up smarter — never settle for slow or basic charging again!

USB C FAST INPUT POWER - Supports up to 36W input for rapid, stable multi-battery charging on the go.
6 INDEPENDENT SMART SLOTS - Monitor voltage, current, capacity & resistance per battery for precision care.
VIBRANT COLOR LCD DISPLAY - Instantly track charging progress and battery health with clear, real-time visuals.
DYNAMIC CHARGE DISCHARGE MODES - Cycle, activate, store & test capacity to extend battery lifespan and performance.
UNIVERSAL MULTI CHEMISTRY SUPPORT - Charge & analyze Li-ion, NiMH, NiZn & LiFePO4 batteries effortlessly.

The ISDT C4 EVO is a professional-grade smart battery charger and analyzer featuring 6 independent slots with adjustable 3A current, compatible with multiple rechargeable chemistries including Li-ion, NiMH, NiZn, and LiFePO4. It offers advanced modes like charge, discharge, cycle, activation, and storage, all displayed on a vibrant color LCD. Powered via USB-C for fast, efficient charging, it’s ideal for photographers, RC hobbyists, and tech professionals who demand precision battery maintenance and testing.

Specifications

ASIN	B0799JFWM3
Amperage	3 A
Brand	ISDT
Connector Type Used on Cable	USB Type-C
Current Rating	3 A
Customer Reviews	3.8 3.8 out of 5 stars (118)
Input Voltage	5 volts
Item Weight	195 g
Manufacturer	Shenzhen ISD Technology Co., Ltd
Mfr Part Number	ISDT
Model Number	ISDT
Number of Items	1
Number of Ports	6
Output Voltage	5 volts
Specification Met	RoHS
UPC	843359100270 709046963392 768684806010
Unit Count	1 Count
Warranty Description	1 Year

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