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Four rectangular batteries and a small wall charger with foldable prongs

Kastar

Kastar NP-FV50 4 Battery + Charger Kit

SKU CH-1KAF-88KZY

Four lithium-ion batteries and a foldable-plug AC charger for Sony Handycam and Action Cam models

  • TypeBattery & Charger
  • Pack1 Charger + 4 Batteries
  • ChemicalLi-Ion
  • Capacity11.16 Wh
  • Dimensions3*2*3 Inch
  • FeaturesFoldable Flat Plug
  • Four batteries deliver extended shooting time with 1550 mAh each
  • AC wall charger accepts 100–240 V input for worldwide use
  • Foldable flat plug stores neatly in any camera bag
  • LED shows red while charging and green when complete
  • Replaces Sony NP-FV50, NP-FV70 and NP-FV100 cells

Kit contents and intended users

This kit contains four NP-FV50 lithium-ion batteries and one AC wall charger with a foldable flat plug. It is designed for owners of compatible Sony Handycam and Action Cam models who need spare power for extended shoots. The 7.2 V, 1550 mAh cells replace the original Sony NP-FV50, NP-FV70 and NP-FV100 batteries. It is not suited for cameras that require a different battery form factor or voltage.

Thermals, noise and power draw in normal use

The charger accepts AC 100–240 V at 50–60 Hz and delivers DC 8.4 V at 600 mA to each cell. A red LED shows charging while a green LED signals standby or full charge. No fan is present so operation is silent. Typical charging current is modest, keeping heat output low during regular top-ups.

Behaviour under sustained load

All four batteries can be cycled sequentially for long recording sessions across supported camcorders such as the HDR-CX and FDR-AX series. The charger’s fixed 600 mA output means each cell takes several hours to reach full capacity, so continuous high-drain use requires rotating spares rather than rapid recharge. It does not support fast-charge protocols or simultaneous multi-bay charging.

Highlights

  • Four batteries deliver extended shooting time with 1550 mAh each
  • AC wall charger accepts 100–240 V input for worldwide use
  • Foldable flat plug stores neatly in any camera bag
  • LED shows red while charging and green when complete
  • Replaces Sony NP-FV50, NP-FV70 and NP-FV100 cells

Specifications

BrandKastar
ModelNP-FV50
Part NumberNOCAR-4B-FV50-I
TypeBattery & Charger
Pack1 Charger + 4 Batteries
ChemicalLi-Ion
Capacity11.16 Wh
Dimensions3*2*3 Inch
FeaturesFoldable Flat Plug

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Questions about this item

How do I insert the Kastar NP-FV50 batteries into the charger without forcing them?

Align the battery contacts with the charger slots and slide each pack in until it clicks; the foldable flat plug then folds down for wall insertion.

When should I replace the four 1550 mAh Li-Ion packs in this kit?

Replace them when run-time drops noticeably or the charger LED stays red far longer than the usual charge cycle.

What limits continuous recording time with these 11.16 Wh batteries on a Sony HDR-CX550?

The 1550 mAh capacity at 7.2 V sets the energy ceiling, so sustained recording stops when that 11.16 Wh is depleted.

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