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Rectangular lithium-polymer battery pack, dark finish, labelled 3350 mAh 7.4 V

Cameron Sino 3350 mAh 7.4 V lithium-polymer battery for EVX-531, EVX-534, EVX-539, VX-261, VX-264, VX-451

SKU CH-04BX-9Z8YP

Replacement lithium-polymer battery rated 3350 mAh at 7.4 V for compatible two-way radios

  • Battery pack size110.8 × 58 × 35.2 mm
  • Battery typeLithium polymer
  • Battery capacity3,350 mAh
  • Battery voltage rating7.4 V
  • Details110.8 × 58 × 35.2 mm
  • Product typeLithium polymer
  • 3350 mAh capacity gives extended talk time
  • 4 V lithium-polymer chemistry matches original specs
  • Fits EVX-531, EVX-534, EVX-539, VX-261, VX-264, VX-451
  • Replaces AAJ67X001, AAJ68X001, AAK66X501, FNB-V133Li, FNB-V134Li, FNB-V138Li
  • Built-in protection against overcharge, over-discharge and short circuit

Replacement Battery for Vertex Standard Radios

This 3350 mAh lithium-polymer pack replaces the original power source for Vertex Standard EVX-531, EVX-534, EVX-539, VX-261, VX-264 and VX-451 portable radios. It matches part numbers AAJ67X001, AAJ68X001, AAK66X501, FNB-V133Li, FNB-V134Li and FNB-V138Li. The unit is new and ships with a fully decoded chip that works like the factory battery. Installers can follow widely available online videos for guidance.

Capacity and Operating Headroom

Rated at 7.4 V and 24.79 Wh, the cell provides extended talk and standby time for daily professional use. The 3350 mAh rating supports typical shift lengths before a recharge is needed. Heavy transmit duty cycles or continuous high-volume audio will deplete the reserve faster, so users running back-to-back transmissions should plan for a mid-shift swap or charger access.

Bundled Protection and Packaging

The pack includes built-in overcharge, over-discharge, over-voltage and short-circuit safeguards that protect both the battery and the radio during faults. A shock-absorbing foam insert cushions the cell during transit, reducing the risk of physical damage before first use. No charging cradle, cable or software utility is supplied with this standalone battery.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $30.99
Pricier than about 86% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameCameron Sino
Model nameEVX-531, EVX-534, EVX-539, VX-261, VX-264, VX-451
Part numberAAJ67 × 001, AAJ68 × 001, AAK66 × 501, FNB-V133Li, FNB-V134Li, FNB-V138Li
Product typeLithium polymer
Power
Battery typeLithium polymer
Battery capacity3,350 mAh
Battery voltage rating7.4 V
In the box
Battery pack size110.8 × 58 × 35.2 mm

Questions about this item

Will the 3350 mAh 7.4 V lithium-polymer battery fit the existing battery compartment of my VX-261 radio?

The pack measures 110.80 x 58.00 x 35.20 mm and weighs 150 g, matching the original dimensions for the VX-261, VX-264, VX-451, EVX-531, EVX-534 and EVX-539 models.

How can I confirm the new battery is functioning correctly after the first charge?

After two or three full charge and discharge cycles the battery reaches its rated 3350 mAh capacity and the fully decoded chip reports charge status to the radio exactly like the original pack.

Does the package include a charger or only the replacement battery?

Only the 3350 mAh 7.4 V lithium-polymer battery is included; a compatible charger for the EVX-531, EVX-534, EVX-539, VX-261, VX-264 or VX-451 must be purchased separately.

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