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Rectangular lithium-polymer battery pack, dark casing, two-pin connector visible

Cameron Sino 3200mAh 7.4V Li-Po Battery FNB-115LIIS

SKU CH-EVRM-7K56E

Replacement 3200 mAh 7.4 V lithium-polymer battery for Standard Horizon HX400 and HX400IS radios, matching part numbers FNB-115LIIS, SBR-29LIIS, SBR-45LI and SBR-45LIIS

  • Battery pack size131.92 × 57.4 × 32.7 mm
  • Battery typeLithium polymer
  • Battery capacity3,200 mAh
  • Battery voltage rating7.4 V
  • Details131.92 × 57.4 × 32.7 mm
  • Product typeLithium polymer
  • Direct replacement for Standard Horizon HX400 and HX400IS radios
  • 3200 mAh capacity at 7.4 V delivers 23.68 Wh of energy
  • Lithium-polymer chemistry in a 131.92 x 57.40 x 32.70 mm pack
  • Weighs 171.0 g for balanced handheld operation
  • Built-in protection against overcharge, over-discharge, over-voltage and short circuit

Compatible Replacement Battery

This lithium-polymer pack replaces the Standard Horizon FNB-115LIIS, SBR-29LIIS, SBR-45LI and SBR-45LIIS cells used in the HX400 and HX400IS radios. It delivers 3200 milliamp-hours at 7.4 volts for 23.68 watt-hours of capacity in a 131.92 by 57.40 by 32.70 millimetre form factor weighing 171.0 grams.

Upgrade From Worn Originals

The jump is worth it when the factory pack no longer holds a full day's charge or shows voltage sag under transmit load. A fresh 3200 milliamp-hour cell restores the rated runtime and the built-in protection circuitry guards against overcharge, over-discharge, over-voltage and short-circuit events that age legacy packs faster.

Drop-In Fit For Marine Handhelds

The pack slides into the existing battery compartment without modification and uses the original connector, so no wiring changes are needed. Its fully decoded chip communicates with the radio's fuel gauge exactly like the OEM unit, freeing the operator from carrying spare alkalines or bulky external packs during extended trips.

How it compares

Measured against everything we stock in LiPo Battery Packs & Chargers, at today’s prices. Recalculated every night.

Price $30.99
Pricier than about 80% of the 221 comparable items (median $12.99).

Specifications

Product
Brand nameCameron sino
Model nameHX400, HX400IS
Part numberFNB-115LIIS, SBR-29LIIS, SBR-45LI, SBR-45LIIS
Product typeLithium polymer
Power
Battery typeLithium polymer
Battery capacity3,200 mAh
Battery voltage rating7.4 V
In the box
Battery pack size131.92 × 57.4 × 32.7 mm

Questions about this item

Will the 131.92 x 57.40 x 32.70 mm pack fit my Standard Horizon HX400IS radio?

Yes, the 131.92 x 57.40 x 32.70 mm lithium-polymer pack matches the FNB-115LIIS form factor used by the Standard Horizon HX400 and HX400IS.

What is the installation step people most often miss when fitting this FNB-115LIIS battery?

After placing the 171.0 g pack, verify the connector is fully seated; a loose plug is the most common reason the radio will not power on.

What charging practice keeps the 7.4 V 3200 mAh cell healthy long-term?

Use the Standard Horizon charger or an approved equivalent; avoid low-quality third-party adapters and run two or three full charge-discharge cycles when the pack is new.

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