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Three rectangular lithium-ion batteries and a three-slot USB charger with a Micro USB cable

Accessory Power NP-BX1 1240mAh 3.6V Li-ion 3-pack with 3-channel USB charger

SKU CH-4VCM-NVEF5

Three 1240mAh 3.6V Li-ion replacement batteries and a three-channel USB charger with Micro USB input for compatible Sony cameras

  • TypeBattery
  • Pack1-Pack
  • ChemicalLithium
  • Dimensions20'
  • Featureslithium_ion, 3, Micro USB, false, 3.6 volts
  • Triple camera runtime with three 1240mAh 3.6V Li-ion batteries
  • Charge three batteries simultaneously via independent smart LED channels
  • Power from wall, car, laptop or power bank through Micro USB 5V 2.1A input
  • Built-in over-charge, short-circuit, high-temperature and surge protection
  • Includes three protective battery cases and Micro USB cable

Three-Battery Kit for Sony Cameras

This set delivers three 1240mAh 3.6V lithium-ion replacements for the Sony NP-BX1 cell. It covers a wide range of Cyber-shot and Action Cam models including the RX100 series, ZV-1 line, HX models and FDR-X3000 units. Each pack includes protective cases and a three-channel charger powered by Micro USB 5V 2.1A input.

Replaces Single OEM Cells and Slow Chargers

The bundle swaps out the lone factory battery and single-bay charger that ship with the camera. Three cells let you shoot all day without hunting for a wall outlet, while the triple charger restores all packs in parallel at 700mA each. The jump is worth it when you record long events, travel off-grid or hand the camera to a second operator.

Steady Output During Extended Sessions

Each cell holds its 3.6V nominal voltage through continuous video or burst shooting, and the charger maintains 4.2V termination with independent red-to-green LED status per bay. Built-in over-charge, short-circuit, high-temperature and surge protection keep the pack stable even when all three bays run simultaneously from a laptop, power bank or car adapter.

Highlights

  • Triple camera runtime with three 1240mAh 3.6V Li-ion batteries
  • Charge three batteries simultaneously via independent smart LED channels
  • Power from wall, car, laptop or power bank through Micro USB 5V 2.1A input
  • Built-in over-charge, short-circuit, high-temperature and surge protection
  • Includes three protective battery cases and Micro USB cable

Specifications

BrandAccessory Power
Part NumberBM051-NPBX1-US
TypeBattery
Pack1-Pack
ChemicalLithium
Dimensions20'
Featureslithium_ion, 3, Micro USB, false, 3.6 volts

Questions about this item

Will the three batteries and the 3-channel charger fit inside the battery compartment of my Sony RX100 IV?

Each battery matches the Sony NP-BX1 form factor at 3.6 V, 1240 mAh, so they slide into the same compartment used by the original pack.

What is the correct way to connect the charger, and what step do people often miss?

Plug the supplied Micro USB cable into the charger’s Micro USB 5 V 2.1 A input, then connect to a USB power source; the charger will not start until a battery is seated in a channel.

When should I replace the batteries, and what part wears out first?

Replace the Li-ion cells when camera run-time drops sharply or the charger’s LED remains red after the normal charge period, indicating the cells no longer accept a full charge.

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