Universal Compatibility Portable Smart Charger Aa Aaa Li-ion Ni-MH Rechargeable Batteries with 4 Slots | VP

M9501

1.5V/1.2V For AA AAA Type-C Port Li-ion / Ni-MH Battery

Independent 4-Slot Smart Charging
Trickle Charge Mode
Reverse Polarity Protection (RPP)
Real-time LED Status Display
Convenient USB Type-C Power Input
Automatic Safety Shut-off

Color: Grey
Long Life Span: 10 Years
Minimun Order：10000Set
Supply Ability: 150000 units / Month
Place of Origin: China

Packaging Details: Paper Box / Container (Professional retail box design and localized manuals)
Certifications: CE-EMC FCC PSE UKCA ROHS UL

Product Features

Versatile Type-C Charging Input: Designed with a mainstream Type-C interface, this charger can be powered via USB ports from wall adapters, PCs, power banks, or car chargers, offering maximum flexibility across multiple usage scenarios.
Smart LCD Real-time Display: The intuitive LCD screen provides clear visibility into the charging status. The battery icons flash during charging and stay solid once fully charged, allowing users to monitor progress at a glance.
Independent Charging Channels: Equipped with individual charging slots, each channel operates independently. This allows for the simultaneous charging of batteries with different sizes, capacities, and chemistries without interference.
Comprehensive Safety Protection: Engineered with an advanced safety protection system design, providing multi-layered protection against over-current, over-charging, over-voltage, short-circuiting, and reverse polarity to ensure long-term reliability.
Intelligent Trickle Charge Mode: To counteract the natural self-discharge of batteries, the charger automatically switches to trickle charge mode upon full capacity. This ensures batteries maintain peak voltage and are always ready for high-performance use.
Universal Compatibility: Perfectly compatible with 1.5V and 1.2V specifications for both AA and AAA Lithium-ion (Li-ion) and Nickel-Metal Hydride (Ni-MH) rechargeable batteries.

Product Description

The Universal Charger M9501 is a high-performance, versatile 4-slot intelligent charger engineered for professional and consumer electronics. It offers a seamless charging experience for both 1.5V Lithium-ion (Li-ion) and 1.2V Nickel-Metal Hydride (Ni-MH) AA and AAA rechargeable batteries, eliminating the need for multiple devices.
It features independent channel management, high-definition LCD status monitoring, and a comprehensive multi-protection suite to ensure peak battery performance and absolute user safety.

Partnering with us (a high-capacity manufacturing supplier) that combines a stable monthly output of 150000 units with rigorous 4-hour aging protocols and international safety certifications (CE/FCC/RoHS), all backed by a professional R&D team capable of delivering flexible OEM/ODM solutions.

Product Specifications

Name	4 slots 1.5V/1.2V Universal Charger
Model	M9501
Color	Grey
Input	DC 5V/2A
Output	1.2V AA 500mA4 AAA200mA4 1.5V AA300-500mA4 AAA70-120mA4
Input Interface	USB ( supports multi-scenario charging)
Charging Method	Type-C Cable
Indicator	The display of the electric screen flashes, and the symbol of full battery is displayed in full grid
Features	Single-slot independent charging
Application	AA/AAA 1.5V Li-ion / 1.2V Ni-MH Rechargeable
Storage Temperature	-20℃~30℃
Operaate Temperature	0℃~50℃
Size	6110023±0.5mm
Certificate	CE-EMC FCC PSE UKCA ROHS UL （or mention your specific certs)
Customization Services	Private Labeling: Custom logo printing (silk-screen or laser engraving) Custom Packaging: Professional retail box design and localized instruction manuals Custom Housing Colors: Colors can be customized for bulk orders

FAQ – Universal AAA/AA Charger M9501 Professional Hybrid Charging Solution

1. What is Trickle Charging Mode?

Trickle charging is a low-current maintenance mode. It delivers a precise, minute electrical current to offset the battery's natural self-discharge. This ensures your batteries remain at 100% capacity and peak voltage while sitting in the charger, so they are always ready for high-performance use.

2. Can I use the M9501 to charge non-rechargeable batteries?

Absolutely not. Non-rechargeable batteries (such as standard alkaline) must never be placed in any charger. Attempting to charge non-rechargeable batteries can lead to leakage, overheating, or even explosions. Only use batteries explicitly labeled as "Rechargeable."

3. How to pick the right charger for multiple batteries?

Priority should be given to multi-slot versions with independent channels, like our 4-slot smart charger. This design allows you to charge different battery sizes (AA/AAA) and chemistries simultaneously, saving both time and space. Ensure the charger has sufficient power output and intelligent power distribution technology to optimize the charging cycle for every connected cell.

4. How can one ensure device safety while using chargers?

Always select chargers with built-in safety protection mechanisms, such as over-charge, over-current, over-voltage, and short-circuit protection. It is crucial to verify that the charger has passed international safety certifications (CE, FCC, RoHS), proving it meets rigorous regulatory standards. Additionally, regularly inspect your cables and charger housing for signs of wear or damage to prevent electrical hazards.

5. Are all chargers compatible with every device?

No. Every electronic device and battery type has specific power requirements. While modern chargers like the M9501 offer broad compatibility (supporting both 1.5V Li-ion and 1.2V Ni-MH), you must always verify that the charger's voltage, current, and interface match your batteries. Using an incompatible charger can degrade battery performance or pose safety risks.