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Two rectangular Li-ion batteries and a compact dual-slot USB charger with LCD screen

Kastar

Kastar Li-90B 2-Pack Battery & LTD2 USB Charger

SKU CH-Y5G1-KTEFH

Two 1300 mAh lithium-ion packs plus a dual-slot USB charger with LCD status display for Olympus Tough and Stylus cameras

  • Total capacity4.81 Wh
  • Pack contents1 Charger + 2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions5 × 3 × 2 in
  • Key featuresLCD USB Dual charger, can charge 2 batteries at the same tim
  • Two 1300mAh Li-Ion batteries power Olympus TG and XZ cameras
  • Dual-slot USB charger fills both cells simultaneously
  • Micro-USB and USB-C inputs accept power banks or wall adapters
  • LCD screen shows real-time charge level for each battery
  • 81 Wh cells deliver reliable energy for extended shooting

Two Li-90B batteries and dual-slot USB charger

The pack includes two 3.7 V 1300 mAh lithium-ion cells and an LTD2 charger that powers both at once. Micro-USB and Type-C inputs accept standard 5 V sources so you can top up from a wall adapter, power bank or laptop. An LCD panel shows real-time capacity for each slot. Interchangeable plates let the same charger handle other Olympus batteries.

LCD status and swappable plates change daily

The screen removes guesswork by reporting exact charge level instead of a single LED. Dual 800 mA channels fill both cells in parallel rather than sequentially. Plate swaps extend usefulness to Li-92B packs without buying another dock. The 15 W input ceiling keeps recharge time short when a 2 A or 3 A supply is used.

4.81 Wh per cell suits a day of tough-cam shooting

Each battery delivers roughly 1300 mAh at 3.7 V, good for several hundred stills or mixed video clips on TG-series bodies. Two packs give a comfortable buffer for back-to-back dives or hikes without mains access. Cold water or continuous 4K recording will drain capacity faster, so a third cell may be needed for multi-day trips.

How it compares

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

Price $12.99
Cheaper than about 70% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameLi-90B
Part numberCH-LTD2-2B-LI90B-C
Total capacity4.81 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions5 × 3 × 2 in
In the box
Pack contents1 Charger + 2 Batteries

Other versions of this model

5 more in the same range

Questions about this item

How many charge cycles can the Li-90B lithium-ion batteries handle before capacity drops noticeably?

Lithium-ion cells in this 1300mAh 3.7V pack typically deliver several hundred full cycles; with two batteries in rotation you can extend the interval between replacements.

What limits continuous shooting when using the LTD2 charger to keep both batteries topped up?

The charger outputs 800mA per slot at 4.2V from a 5V 2-3A 15W input, so recharge speed is the bottleneck during all-day use.

How much heat and noise does the LTD2 dual charger produce when running all day?

The compact USB charger has no fan and draws up to 15W; it stays warm but silent during extended charging sessions.

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