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Four rectangular lithium-ion batteries in plastic wrap

Kastar

Kastar 4-Pack Li-Ion Battery 1900mAh 3.7V MX990

SKU CH-7QCB-S4VEF

Four lithium-ion 1900 mAh 3.7 V packs power URC MX-810, MX-880, MX-890, MX-950, MX-980, MX-990, MX-1200, TRC-1080 and TRC-820 remotes

  • Total capacity7.03 Wh
  • Pack contents4 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery
  • Product dimensions3 × 2 × 3 in
  • Key featuresHigh Capacity and Manufacture Price.
  • Longer shooting sessions with 1900 mAh capacity
  • Four batteries in one pack for extended use
  • Built-in protection against over-charge and over-discharge
  • Certified to UL1642 and CE safety standards
  • Compatible with URC MX 810, 880, 890, 950, 980, 990, 1200

Four-pack lithium-ion replacement for URC remotes

This set contains four Kastar MX990 lithium-ion cells rated at 3.7 V and 1900 mAh each, delivering 7.03 Wh per battery. They are built as direct replacements for a wide range of Universal Remote Control handsets including the MX-810, MX-880, MX-890, MX-950, MX-980, MX-990 and MX-1200 models.

Safety certifications and protection circuits

Each cell meets UL 1642 and CE safety standards and integrates over-charge, over-discharge, over-voltage, over-current and over-heating protection. The chemistry is standard lithium-ion, so normal use produces minimal heat and no audible noise, drawing only the low current required by remote-control circuitry.

Ready-to-use multi-pack convenience

The four-battery pack lets you equip several compatible remotes at once or keep spares charged for quick swaps. No charger, adapter or software is included, so you simply insert the cells into the handset or place them on the remote’s existing charging cradle.

How it compares

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

Price $20.99
Pricier than about 62% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameMX990
Part numberBA-4B-MX990-A
Total capacity7.03 Wh
Product typeBattery
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 3 in
In the box
Pack contents4 Batteries

Other versions of this model

5 more in the same range

Questions about this item

How do I install the Kastar MX990 battery in my URC MX-990 remote, and what step do people often get wrong?

Slide the battery into the compartment with the contacts facing the springs, then press until the latch clicks; the common mistake is inserting it backwards so the polarity tabs do not engage.

What maintenance or replacement will the Kastar MX990 1900 mAh pack need over time?

The lithium-ion cells have no memory effect, so no conditioning is required; expect to replace the pack when run-time drops below roughly 80 % of the original 7.03 Wh capacity.

What limit appears first when the Kastar MX990 battery runs continuously in a URC TRC-1080 remote?

The built-in protection circuit will cut output if the cell voltage falls below the safe threshold or if temperature rises past the over-heating limit, whichever occurs first.

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