1. Introdução
The Neewer ML300 is a versatile 300W outdoor studio flash strobe designed for professional photography. It features a powerful 300Ws flash output, a guide number of 60, and a stable color temperature of 5500K ±200K. Equipped with a high-capacity Li-ion battery, it offers extended use and quick recycling times, making it suitable for various outdoor and studio shooting scenarios. The ML300 supports multiple flash modes and includes a 2.4GHz wireless triggering system for flexible control.
This manual provides detailed instructions for the safe and effective use of your Neewer ML300 strobe light. Please read it thoroughly before operation.
2. Configuração
2.1 Attaching to a Light Stand
The ML300 strobe light can be easily mounted onto standard light stands. Ensure the stand is stable and capable of supporting the weight of the strobe and any attached modifiers.

This image illustrates the process of attaching the ML300 strobe light to a light stand. For Manfrotto light stands, unscrew the top screw adapter before attaching to the mounting bracket.
- Secure the ML300 onto the light stand's mounting bracket.
- Tighten the adjustment knob to fix the strobe's position.
- Observação: When using with Manfrotto light stands, unscrew the top screw adapter from the stand before attaching the ML300.
2.2 Instalação da bateria
The ML300 is powered by a high-capacity Li-ion battery. Proper installation ensures reliable operation.

This image shows the installation of the 7800mAh lithium battery, which provides 1000 full-power flashes and a fast 0.4-2.5s recycle time. The battery supports AC 220-240V charging.
- Locate the battery compartment on the strobe unit.
- Insert the Li-ion battery (7800mAh, 10.8V) into the compartment, ensuring it clicks securely into place.
- Para remover, pressione o botão de liberação da bateria e deslize a bateria para fora.
2.3 Instalação de Modificadores de Luz
The ML300 features a Bowens mount, allowing for a wide range of compatible light modifiers.

The ML300 features a Bowens mount for attaching various light modifiers like softboxes, conical snoots, and beauty dishes. It also allows for 180° front and rear angle adjustment for precise light positioning.
- Align the Bowens mount of your chosen modifier (e.g., reflector, softbox) with the mount on the ML300.
- Twist the modifier clockwise until it locks into place.
- Para remover, pressione o botão de liberação na montagem Bowens e gire o modificador no sentido anti-horário.
3. Instruções de operação
3.1 Ligar/Desligar
Press and hold the power button to turn the ML300 on or off. The display screen will illuminate upon activation.
3.2 modos de flash
The ML300 supports several flash modes for different photographic needs:

Examples of manual flash power settings (1/1 to 1/64) and the effect of multi-flash mode for capturing motion. The unit also supports S1 and S2 optical slave modes with an effective trigger distance of 20 meters.
- Modo manual (M): Allows manual adjustment of flash power from 1/64 to 1/1 in 6 f-stop increments.
- Modo Multi: Enables multiple flashes during a single exposure, useful for capturing motion sequences. Flash duration ranges from 1/1000s to 1/10000s.
- Modos de escravo óptico S1/S2: The ML300 can be triggered by another flash. S1 mode triggers on the first flash, while S2 mode ignores the pre-flash of a TTL system and triggers on the main flash. Effective trigger distance is approximately 20 meters.
Observação: The ML300 does not support TTL (Through-The-Lens) or HSS (High-Speed Sync) modes.
3.3 Modelagem Lamp
The ML300 includes a 13W LED modeling lamp (1370 Lumen) to assist with lighting preview and focusing.

A view of the ML300's flash tube (user replaceable) and the 13W LED modeling lamp. The unit includes overheat protection and a low-voltage automatic power cut-off system for safety.
- A modelagem lamp automatically turns off after 1 minute to conserve energy.
- To reactivate the modeling lamp, press the dedicated modeling lamp botão de energia.
3.4 Wireless Triggering System
The built-in 2.4GHz wireless triggering system allows remote control of the ML300.

This image demonstrates the 2.4GHz wireless triggering system, compatible with Canon, Nikon, Panasonic, Olympus, Pentax, Fujifilm, and Sony hot shoe cameras (excluding specific Canon EOS Rebel models). The effective trigger distance is approximately 20 meters.
- The system supports up to 16 channels (0-15).
- It allows operation from up to 65’/20m away.
- When used with a compatible 2.4GHz wireless trigger (e.g., VC-816TX), the ML300 can be triggered manually.
- Compatible with Canon, Nikon, Panasonic, Olympus, Pentax, Fujifilm, and Sony hot shoe cameras (e.g., Sony a9, a7, a7 II, a7 III, a7R III, a7R II, a7S II, a6000, a6300, a6500).
- Incompatível com: Canon EOS 250D/1500D/2000D/3000D/4000D and Rebel SL3/T7/T100.
4. Manutenção
4.1 Limpeza
- Regularly clean the exterior of the strobe with a soft, dry cloth.
- Para o tubo de flash e modelagem lamp, use a clean, lint-free cloth. Avoid abrasive materials or harsh chemicals.
- Certifique-se de que o aparelho esteja desligado e desconectado de qualquer fonte de energia antes de limpá-lo.
4.2 Armazenamento
- Store the ML300 in a cool, dry place away from direct sunlight and extreme temperatures.
- Remova a bateria se o aparelho não for utilizado por um longo período.
- Use the provided protective cover to shield the flash tube and modeling lamp contra poeira e danos.
4.3 Cuidados com a bateria
- Recharge batteries regularly, even if not in use, to maintain optimal performance.
- Evite descarregar completamente a bateria com frequência.
- The battery includes overheating protection and low-voltage cut-off protection for safety.
5. Solução De Problemas
If you encounter issues with your Neewer ML300, refer to the following common problems and solutions:
| Problema | Possível causa | Solução |
|---|---|---|
| Strobe does not power on. | A bateria não está instalada corretamente ou está descarregada. | Certifique-se de que a bateria esteja totalmente carregada e inserida corretamente. |
| Strobe does not fire. | Wireless trigger issue, incorrect mode, or camera settings. | Check trigger connection, battery, and channel. Verify ML300 is in a compatible mode (M, Multi, S1, S2) and camera flash settings are correct. |
| Modelagem lamp Desliga-se rapidamente. | Função automática de economia de energia. | Pressione a modelagem lamp power button to reactivate it. This is normal behavior. |
| Saída de flash inconsistente. | Low battery or incorrect power settings. | Recharge the battery. Adjust power settings as needed. Ensure no obstructions are blocking the light. |
| O disparador sem fio não está funcionando. | Channels mismatch or out of range. | Ensure the trigger and strobe are set to the same channel. Reduce distance between trigger and strobe. |
If the problem persists after trying these solutions, please contact Neewer customer support.
6. Especificações
| Recurso | Detalhe |
|---|---|
| Marca | MAIS NOVO |
| Número do modelo | 10100253 (ML300) |
| Poder do Flash | 300Ws |
| Número guia | 60 |
| Faixa de potência | 6 f-stops (1/64 to 1/1) |
| Duração do flash | 1 / 1000s para 1 / 10000s |
| Tempo de Reciclagem | 0.4-2.5s |
| Temperatura de cor | 5500K ± 200K |
| Modelagem Lamp | 13W LED (1370 Lumen) |
| Capacidade da bateria | 7800mAh, íon-lítio 10.8V |
| Flashes de potência total | Aprox. 1000 |
| sistema sem fio | 2.4GHz (16 channels, 0-15) |
| Distância wireless | Up to 65’/20m |
| Tipo de montagem | Montagem Bowens |
| Peso (com baterias) | 4.85 libras / 2.2 kg |
| Tipo de controle de exposição | Manual |
| Dispositivos compatíveis | Canon, Nikon, Panasonic, Olympus, Pentax, Fujifilm, Sony (hot shoe cameras) |
| Dispositivos Incompatíveis | Canon EOS 250D/1500D/2000D/3000D/4000D, Rebel SL3/T7/T100 |
| Nível de resistência à água | Não resistente à água |
7. Garantia e suporte
7.1 Informações de garantia
The Neewer ML300 300W Outdoor Studio Flash Strobe comes with a Garantia do fabricante de 1 anosGuarde seu comprovante de compra para eventuais solicitações de garantia.
7.2 Suporte ao cliente
For technical assistance, troubleshooting, or warranty inquiries, please contact Neewer customer support through their official website or the retailer where the product was purchased. Provide your product model number (ML300 / 10100253) and a detailed description of the issue.
8. Conteúdo da embalagem
The following items are included in your Neewer ML300 package:

This image displays the items included in the package, such as the ML300 studio flash, lithium battery, LED modeling lamp, AC charger, standard reflector, protective cover, sync cord, and 2.4G wireless trigger. It also shows the strobe's versatility in portrait, wedding, and product photography.
- Neewer ML300 Studio Flash Unit
- Lithium Battery (7800mAh, 10.8V)
- Carregador AC
- Refletor Padrão
- Capa protetora
- Cabo de sincronização de 3.5 mm
- Gatilho sem fio de 2.4 GHz