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Kastar MX990 Li-Ion battery and foldable-plug AC charger

Kastar

Kastar MX990 camera battery and AC wall charger 1900mAh 7.03 Wh

SKU CH-SKZF-TGGP6

A 1900 mAh lithium-ion battery with a foldable-plug AC wall charger covering 100 to 240 V input

  • Total capacity7.03 Wh
  • Pack contents1 Charger + 1 Battery
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3 × 2 × 2 in
  • Key featuresFoldable Flat Plug
  • 1900 mAh lithium-ion cell powers compatible remotes
  • AC 100-240 V input works worldwide
  • Foldable flat plug stores neatly in bags
  • DC 4.2 V 600 mA output charges safely
  • Red and green LEDs show charge status

Kastar MX990 replacement battery kit

The Kastar MX990 kit includes one lithium-ion battery and a matching AC wall charger. It is built as a direct replacement for several remote-control models from Acoustic Research, Nevo, One For All and UEI. The 3.7 V cell delivers 1900 mAh capacity and 7.03 Wh of energy. Buyers who need a multi-bay charger or a higher-capacity pack should look elsewhere.

Thermals noise and power draw

The charger accepts 100 to 240 V AC at 50 to 60 Hz and supplies 4.2 V DC at 600 mA. A red LED shows active charging while a green LED signals standby or full charge. The foldable flat plug keeps the unit compact during storage. No fan or active cooling is present so operation is silent.

Foldable flat-plug wall charger

The included charger uses a foldable flat-pin design that reduces bulk when not in use. Input range covers 100 to 240 V AC worldwide without a separate adapter. Output is fixed at 4.2 V and 600 mA for the supplied 1900 mAh cell. The LED pair gives clear charge-state feedback at a glance.

How it compares

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

Price $9.99
Cheaper than about 83% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameMX990
Part numberNOCAR-1B-MX990-G
Total capacity7.03 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 2 in
In the box
Pack contents1 Charger + 1 Battery

Other versions of this model

5 more in the same range

Questions about this item

How do I install the Kastar MX990 battery and charger, and what step do people get wrong?

Insert the 1900mAh Li-Ion battery into your compatible device, then plug the charger's foldable flat pin into a 100~240V AC outlet; the common mistake is forgetting to seat the battery fully before connecting power.

What maintenance or replacement will the MX990 battery need later?

The 3.7V 7.03Wh lithium-ion cell will gradually hold less charge over hundreds of cycles; plan to replace the battery when runtime drops below your needs, while the charger itself requires no scheduled maintenance.

What limit appears first when using the MX990 charger continuously?

The charger outputs 4.2V at 600mA, so sustained charging is limited by that current rate; the battery will reach full capacity at this pace, and the LED turns green once charging completes.

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