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Four lithium-ion batteries and a compact USB charger with four slots

Kastar

Kastar DMW-BCM13 4-Pack Battery & Quadruple Charger

SKU CH-CXCY-P0FDV

Four lithium-ion batteries and a USB charger that powers four cells at once for Panasonic Lumix TZ-series cameras

  • Total capacity6.66 Wh
  • Pack contents1 Charger + 4 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3.5 × 2 × 2.5 in
  • Key featuresQuadruple USB charger, can charge 4 batteries at the same ti
  • Charges four batteries simultaneously with the quadruple USB charger
  • 1800mAh lithium-ion cells deliver 6.66 Wh per battery
  • Micro-USB and Type-C inputs provide flexible charging options
  • Intelligent display shows real-time charging status and capacity
  • Compatible with Panasonic Lumix DMC-TZ37, TZ40, TZ41, TZ55, TZ57 cameras

Four-battery kit with USB charger

This kit supplies four lithium-ion cells and a single charger that can replenish all of them together. It is aimed at photographers who use Panasonic Lumix TZ series compacts and want spare power for long shooting days. Each cell delivers 3.7 V and 1800 mAh for 6.66 Wh of capacity. The bundle replaces the need to carry multiple single chargers.

Charger thermals and power draw

The charger accepts 5 V at 2 to 3 A through either Micro-USB or USB-C and limits output to 800 mA per bay when one or two batteries are inserted, dropping to 500 mA per bay with three or four. This keeps heat low during typical overnight charging. No active cooling is used so operation stays silent. Total input power is rated at 15 W.

Interchangeable plates and status display

A swappable plate system lets the same charger handle other battery form factors beyond the included DMW-BCM13 type. An integrated LCD shows real-time charge level and status for each bay independently. A USB-C cable is supplied in the box for immediate connection to common power adapters or power banks.

How it compares

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

Price $21.99
Pricier than about 65% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameDMW-BCM13
Part numberLHD4-4B-BCM13-D
Total capacity6.66 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3.5 × 2 × 2.5 in
In the box
Pack contents1 Charger + 4 Batteries

Other versions of this model

5 more in the same range

Questions about this item

How do I install the Kastar DMW-BCM13 batteries and charger, and what step do people often miss?

Insert each 1800mAh 3.7V Li-Ion battery into the quadruple charger, connect the supplied Type-C cable to the Micro-USB or Type-C input, then use a 5V 2-3A 15W power source; the step often missed is confirming the charger shows the correct 4.2V 800mA output for one or two batteries before adding more.

What maintenance or replacement will the Kastar DMW-BCM13 pack need later?

The four 6.66Wh Li-Ion cells will gradually lose capacity after several hundred charge cycles; replace any battery that no longer holds a useful charge or shows swelling, and keep the charger contacts clean for reliable 500mA or 800mA charging rates.

What limit appears first when using the Kastar DMW-BCM13 charger continuously?

When charging three or four batteries together the output drops to 4.2V 500mA per slot, so total charge time becomes the limiting factor compared to the 800mA rate available for one or two batteries.

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