GSM Outdoors
GSM Outdoors F048-004-W 4.8V 400mA 2 in 1 accessory
A 4.8V 400mA AC/DC adapter and smart charger for Ni-MH/Ni-Cd packs, compatible with EMSI Flex-it TENS units
- Worldwide 100-240V input works across regions
- OVP OCP SCP protection guards against power faults
- 8V 400mA output matches Flex-TENS charger specs
- Smart charging supports Ni-MH and Ni-Cd packs
- Compatible with EMSI Flex-it TENS combination unit
Power adapter for EMSI Flex-TENS
The GSM Outdoors F048-004-W is a 4.8V 400mA AC/DC adapter designed for the EMSI Flex-it Electrical Stimulation Tens Combination Unit. It serves as a direct replacement charger for the 700mAh Ni-MH battery pack used in the Flex-TENS muscle stimulator model T12121086. Users who need a spare or replacement mains power supply for this specific medical device will find it compatible.
Worldwide input with protection circuits
The adapter accepts a universal input range of 100-240VAC at 50/60Hz for global use. Built-in safeguards include Over Voltage Protection, Over Current Protection, and Short Circuit Protection to protect the connected stimulator unit. The Class 2 switching design delivers a steady 4.8Vdc output at 0.4A during normal charging operation.
Smart charging for Ni-MH and Ni-Cd packs
The unit functions as a smart charger for both Ni-MH and Ni-Cd rechargeable battery packs rated at 4.8V. A supplier note advises that if an expired battery pack warms up but fails to accept a charge, the battery itself requires replacement. The manufacturer states the average rechargeable battery lifespan is one to two years. Buyers with a permanently depleted pack will need a new battery.
Highlights
- Worldwide 100-240V input works across regions
- OVP OCP SCP protection guards against power faults
- 8V 400mA output matches Flex-TENS charger specs
- Smart charging supports Ni-MH and Ni-Cd packs
- Compatible with EMSI Flex-it TENS combination unit
Specifications
No published specifications for this item yet.
Questions about this item
How do I connect the 4.8V 400mA adapter to the EMSI Flex-it TENS unit, and what is the common mistake?
Plug the DC output into the unit's charging port and the AC plug into a 100-240VAC 50/60Hz outlet; the common mistake is forcing the connector in the wrong orientation, which can damage the port.
When will the 700mAh Ni-MH battery pack need replacement, and what type should I use?
The rechargeable battery pack typically lasts 1 to 2 years; when it warms up but no longer accepts a charge, replace it with a compatible 4.8V Ni-MH AAA 700mAh pack.
What protection activates first if the adapter overheats during extended charging sessions?
The built-in Over Current Protection (OCP) and Over Voltage Protection (OVP) limit output at 4.8Vdc 400mA, while Short Circuit Protection (SCP) cuts power if a fault is detected.
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