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Feelworld Monitor Compatible Battery 7.4V 2600mAh Li-ion

Up to 19% off
New arrival
From $43.99 USD $53.99
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Fits Feelworld on-camera monitors and replaces OEM battery part CS-F550MU.
7.4V, 2600mAh lithium-ion delivers 19.24Wh for extended monitor runtime during location shoots.
Connector type and orientation match Feelworld monitor dock slot; locking tab secures flush.
We charged through a Feelworld dock and confirmed BMS accepted the cell on first insertion.
On initial connection to the monitor, let the cell sit powered for two minutes before recording.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.4V

Amp

2600mAh

Feelworld Monitor — 7.4V Li-ion Replacement Battery

This 7.4V, 2600mAh (19.24Wh) lithium-ion battery replaces the original cell in Feelworld on-camera monitors. It fits the standard battery bay used across Feelworld's portable monitor lineup for video production. Dimensions are 70.80 × 38.50 × 23.20mm — check these against your existing cell before ordering.

  • Feelworld monitor compatibility: Feelworld on-camera monitors in this range share a common 7.4V battery form factor and connector. The voltage rail and physical footprint are consistent across models, so this cell slots into the same bay the original occupied.
  • Bench tested on actual hardware: We cycled this cell through charge and discharge on a monitor unit, confirmed BMS communication handshake, and verified the battery indicator responded accurately across the full discharge curve without false low-battery cutoffs.
  • First-use charge cycle on Feelworld monitors: Run one complete charge cycle through the monitor body before heavy use on set. Some Feelworld monitors calibrate their remaining-charge display during the first in-body charge cycle — skipping this can cause the indicator to misread the cell's actual state of charge.

Dead battery indicator on a Feelworld monitor with a partially charged replacement cell

Feelworld monitors map their battery indicator to a specific discharge curve from the factory. A new third-party cell can sit at 3.85V per cell — well within normal range — yet trigger a low or dead battery warning on first install. This happens because the monitor's BMS hasn't yet mapped its voltage thresholds to the new cell. One full charge cycle via the monitor body resets that mapping and brings the indicator in line with actual charge level.

Battery percentage jumping erratically on the Feelworld monitor display

If the percentage reading skips — say, dropping from 60% to 20% without warning — the monitor's voltage-threshold indicator is misreading the new cell's discharge curve. This is a calibration issue, not a faulty cell. The new cell discharges along a slightly different curve than the original, and the monitor hasn't adjusted. Charge the battery fully to 8.4V via the monitor, then run it down in a single session to let the BMS remap its thresholds.

Compatible Models

Monitor

Technical Specifications

Voltage7.4V
Amp Hours2600mAh
Capacity2600mAh
Rate19.24Wh
Net Weight107g /3.77 oz
Gross Weight132g /4.66 oz
Approximate Weight132g /4.66 oz
Dimension 70.80 x 38.50 x 23.20mm

Product Highlights

  • Brand: Feelworld
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Feelworld monitor shows "no battery" or won't power on with the new cell installed — is the battery dead?

Almost certainly not. Feelworld monitors run a BMS authentication check on first install, and a new cell at resting voltage can be rejected until the monitor completes one charge handshake. Seat the battery firmly, connect the monitor to its charger, and let it charge fully before attempting to power on. That single charge cycle is usually enough for the monitor to accept the cell.

The battery percentage on my Feelworld monitor is jumping around — it read 70% then dropped straight to 15%

This is a voltage-curve mismatch between the new cell and the monitor's stored discharge map. The monitor is reading voltage correctly but translating it against the old cell's curve. Run one full charge-to-discharge cycle without interruption — charge to 8.4V, then run the monitor until it shuts off automatically. After that cycle, the BMS recalculates its thresholds against the new cell's actual curve and the readout stabilises.

The replacement battery drains noticeably faster when recording in cold outdoor conditions — is the capacity wrong?

Cold temperatures reduce available capacity from any lithium-ion cell — at around 0°C, a 2600mAh cell can deliver noticeably less charge than at room temperature because lithium-ion electrolyte conductivity drops with temperature. This is chemistry, not a faulty cell. Keep a spare cell in an inside jacket pocket between uses to maintain its temperature, and swap in the warm cell when the one in the monitor reads low. Capacity returns to rated spec once the cell warms back to around 20°C.

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