Kastar 3-Pack Battery and LTD2 USB Charger Replacement for Panasonic

In this review the Kastar 3-Pack Battery and LTD2 USB Charger is evaluated for photographers who need reliable spares and a flexible charging solution for Panasonic DMW-BLD10 series batteries. The single biggest reason to buy is practical convenience: the kit supplies three 1600mAh, 7.4V lithium-ion batteries plus a USB dual charger that can power two batteries at once or swap plates to fit different battery plates, making it a simple way to extend shoot time without holding a bulky dedicated charger. This review focuses on real-world use, battery compatibility, and charging flexibility.

Key Features

• Battery capacity: Each battery is 1600mAh at 7.4V, offering longer runtime for cameras that accept DMW-BLD10 style cells.
• Dual charging: The LTD2 charger can charge two batteries simultaneously, which reduces downtime between shoots.
• Swappable plate: The charger supports changing the plate to match different battery end contacts, improving compatibility with the listed Panasonic models.
• USB input options: Multiple charging choices include Micro-USB and Type-C inputs with a Micro USB cable included, so it works with common power banks and adapters.
• Smart LED indicators: Intelligent LED displays show charging status and battery capacity so users can monitor progress without guesswork.
• Portable power draw: The charger accepts 5V 2-3A input (15W) and outputs 8.4V at 800mA per slot, suitable for on-location use with small USB power sources.

Who It's For

The kit is a practical choice for hobbyist and enthusiast photographers using Panasonic DMC-GX1, DMC-G3, DMC-GF2 and similar cameras that accept the DMW-BLD10 series batteries. It is especially useful for shooters who need multiple spares and prefer to charge on the go from USB power banks or car chargers.

Photographers who require OEM chargers with manufacturer support or those who need very high-speed professional charging should look elsewhere; this Kastar set focuses on portability and convenience rather than rapid professional workstation charging.

Pros & Cons

Pros

• Three replacement 1600mAh batteries provide substantial extra runtime for extended sessions.
• Charger can handle two batteries at once, cutting recharge wait times in half compared with single-slot chargers.
• Multiple input options and included Micro USB cable make it easy to charge from common USB power sources.
• LED indicators give a clear view of charging status and relative battery capacity.

Cons

• Charging speed is limited to 800mA per slot, so batteries take longer to top up than some faster dedicated chargers.
• The kit is a third-party replacement, so users seeking official Panasonic-branded accessories may prefer OEM options.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	1600mAh
Charger Input	5V 2-3A (15W)
Charger Output	8.4V 800mA (x1) 800mA (x2)
Inputs Supported	Micro-USB and Type-C (Micro USB cable included)
Compatibility	Panasonic DMW-BLD10 / DMW-BLD10E / DMW-BLD10PP and chargers DE-A93 / DE-A93B / DE-A94 / DE-A94B

Our Verdict

The Kastar 3-Pack Battery and LTD2 USB Charger is a solid, value-focused kit for Panasonic DMW-BLD10 series users who need extra run time and USB charging flexibility. It is best for hobbyists and traveling shooters who recharge from power banks and want two-bay convenience; buyers who need the fastest possible charge or prefer official-branded chargers should weigh those priorities against the clear portability and capacity benefits of this set.

Frequently Asked Questions

Are these batteries compatible with my camera?
These batteries are compatible with cameras that use Panasonic DMW-BLD10 style cells, including listed models such as the DMC-GX1, DMC-G3, and DMC-GF2.

Can the charger charge two batteries at the same time?
Yes, the LTD2 charger supports charging two batteries simultaneously with an output of 800mA per slot.

What input power do I need to charge on the go?
The charger accepts 5V 2-3A input (15W) via Micro-USB or Type-C; a Micro USB cable is included for portable charging from power banks or USB adapters.