Kastar 2-Pack DMW-BLB13 Battery and LTD2 USB Charger - Reliable Power

In this review the Kastar 2-Pack DMW-BLB13 battery kit is assessed for photographers who need dependable spares and a flexible USB charging option. The bottom line: this kit is for users of compatible Panasonic Lumix G-series cameras who want a compact, portable power solution that replaces the original DMW-BLB13 battery and lets you charge two cells at once from a Micro-USB or Type-C source. It performs like a practical, travel-friendly replacement with intelligent charging indicators and broad device compatibility, making it the single easiest upgrade for midlevel mirrorless owners who value runtime and convenience.

Key Features

• Battery type and capacity: The 7.4V lithium-ion 1650mAh cells provide extended runtime over a single original battery for longer shooting sessions.
• Dual charging: The LTD2 USB charger charges two batteries simultaneously, reducing downtime between shoots and keeping a backup ready.
• Switchable plate: The charger plate can be changed to accept different battery placements so you can adapt it to charging needs without extra adapters.
• USB input options: Micro-USB and Type-C inputs plus a supplied Micro USB cable make charging from power banks, laptops, or USB wall adapters straightforward on the go.
• Intelligent LED display: The LED indicators show charging status and battery capacity so users can tell at a glance when batteries are ready.
• Portable design: Low charger input (5V 2-3A 15W) and a compact form factor make this kit easy to pack for travel or field work.

Who It's For

This kit is aimed at owners of Panasonic Lumix DMC-G1, G2, G10, GF1 and GH1 series cameras who need a cost-effective replacement for DMW-BLB13 batteries and a charger that works from USB power. Enthusiast photographers, vloggers, and travelers who carry a power bank or USB outlet will appreciate the dual charging and compact charger design.

It is less suitable for those who require manufacturer warranty alignment or prefer OEM-branded chargers supplied with new cameras; professionals who need extremely fast multi-battery charging via high-voltage dedicated stations may also want a higher-output charging solution.

Pros & Cons

Pros

• Two batteries increase available shooting time with genuine 7.4V 1650mAh capacity per cell.
• Charger supports charging two batteries at once, saving time between shoots.
• Micro-USB and Type-C inputs plus an LED status display add convenience and clear feedback.
• Compact and travel friendly, suitable for charging from power banks or USB adapters.

Cons

• Not an OEM Panasonic unit, so buyers seeking original-brand parts may prefer factory chargers.
• Charger output is moderate (8.4V 800mA per slot) so charge times are not as fast as some high-output dedicated chargers.

Specifications

Our Verdict

The Kastar 2-Pack DMW-BLB13 battery and LTD2 USB charger is a smart, value-focused choice for Lumix G-series users who need extra runtime and USB charging flexibility. With two 1650mAh cells, dual charging and clear LED status, it delivers dependable power for travel and everyday shooting, though those needing OEM parts or faster high-output charging may prefer other options.

Frequently Asked Questions

Are these batteries compatible with my Lumix G2 or G10?
Yes, the pack is compatible with Panasonic DMW-BLB13 series batteries and lists Lumix DMC-G2 and DMC-G10 among supported camera models.

Can the charger charge two batteries at the same time from a power bank?
Yes, the LTD2 charger can charge two batteries simultaneously using either Micro-USB or Type-C input from a power bank or USB adapter.

Does the kit include charging cables?
The kit includes a Micro USB cable and supports Type-C input as an additional option, though a Type-C cable is not included.