📷🔌 Nikon EH‑55 Power Adapter
 
(8.4V DC • 2A • 16.8W • Barrel Connector • COOLPIX Compatible)

This adapter delivers regulated 8.4V DC power to select Nikon COOLPIX cameras. It’s designed for extended use during studio shooting, image transfer, and tethered operation, bypassing battery limitations.
 
🔧 Charger Form
Input: 100–240V AC, 50/60Hz
Output: 8.4V DC @ 2A (16.8W)
Connector: Barrel plug, center‑positive
Cable: Integrated DC cable with molded strain relief
Common part numbers: EH‑55, EH‑53, EH‑52, EH‑21
 
🖥️ Compatible Devices
🟦 Nikon COOLPIX Series
COOLPIX 100
COOLPIX 600
COOLPIX 700 / 750 / 775
COOLPIX 880 / 885 / 995
COOLPIX 2000 / 4300 / 4500 / 5000 / 5400 / 5700 / 8700
 
✅ Common Uses
🔌 Powering Nikon COOLPIX cameras during studio shoots
🧩 Conserving battery life during image transfer or printing
🧪 Supporting long‑term viewing or tethered operation
🧵 Essential entry in the Nikon camera power ecosystem
 
🧠 Signal Format
⚡ Input: Universal AC (100–240V)
🔋 Output: Regulated 8.4V DC, 2A
🔌 Connector: Barrel plug, center‑positive
🔁 Not interchangeable with USB‑powered or newer Nikon adapters (EH‑5x series)
 
⚠️ Things to Watch Out For
📉 Must match voltage and connector — using EH‑5 or EH‑62 series may damage older cameras
🔌 Connector is barrel type — not USB, micro‑USB, or proprietary dock
🧯 Always confirm “DC IN 8.4V” on the camera body before use
📏 Some models require battery door closed or dummy battery inserted for adapter to function
 
🛠️ Quick Tips for Beginners
🧭 Look for “COOLPIX” model number on the front or bottom of the camera
🔌 Confirm connector: barrel plug, not USB or flat dock
🧪 If camera won’t power, check for loose barrel fit or incorrect polarity
🧯 Label clearly to avoid mix‑ups with newer Nikon adapters