Kastar 4-Pack BP-DC7 Battery and LTD2 USB Charger Replacement

In this review the Kastar 4-Pack BP-DC7 Battery and LTD2 USB Charger replacement is assessed for photographers who need dependable spare power for Leica V-LUX models and compatible Panasonic Lumix cameras. The bottom line: this kit is for users who want a compact, multi-battery solution that charges on the go via USB and can handle two batteries simultaneously, making it a practical backup for travel and extended shoots. The review focuses on build, charging convenience, and compatibility with BP-DC7 style batteries.

Key Features

• Battery Capacity: Each 1700mAh lithium-ion battery provides a practical balance of run time and size for extended shooting sessions without being bulky.
• Dual Charging: The charger can charge two batteries at the same time, reducing downtime between shoots and keeping a second battery ready.
• Interchangeable Plate: The charger plate can be swapped to fit different battery contacts, which increases its usefulness across compatible camera models.
• USB Power Input: With Micro-USB and Type-C input plus a supplied Micro USB cable, the charger works with power banks and common USB adapters for travel charging.
• Smart LED Display: Intelligent LED indicators show charging status and battery capacity so you can tell when batteries are ready without guessing.
• Charger's Power: The input and output ratings (5V 2-3A input, 4.2V 800mA outputs) mean it charges at a steady, camera-safe rate suitable for lithium-ion cells.

Who It's For

This kit is well suited to owners of Leica V-LUX 20, V-LUX 30, V-LUX 40 and an extensive range of Panasonic Lumix compact and travel zoom cameras that accept BP-DC7 style batteries. It is aimed at travel photographers, hobbyists, and anyone who needs multiple spares and an easy USB charging option rather than relying on a single charger at home.

Photographers who need fastest possible charging, manufacturer-authorized accessories, or camera-specific features tied to OEM batteries may want to compare options elsewhere. Still, for general purpose backup power and flexible USB charging the Kastar pack is a practical, portable choice.

Pros & Cons

Pros

• Includes four 1700mAh lithium-ion batteries that expand shooting time without adding much bulk.
• Dual-bay charger can handle two batteries simultaneously which speeds turnaround when swapping packs.
• Micro-USB and Type-C input support plus a supplied Micro USB cable makes charging from power banks straightforward.
• Interchangeable plate and LED charging indicators add convenience and clear status feedback.

Cons

• Charging rate of 800mA per bay is steady but not the fastest available, so full recharge can take some time.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	3.7V
Battery Capacity	1700mAh (each)
Charger Input	5V 2-3A 15W
Charger Output	4.2V 800mA (x1) 800mA (x2)
Inputs	Micro-USB and Type-C (Micro USB cable included)

Our Verdict

The Kastar 4-Pack BP-DC7 Battery and LTD2 USB Charger kit is a sensible, value-focused option for Leica and compatible Panasonic users who need multiple spare batteries and flexible USB charging. It is not a high-speed charger, but the dual-bay design, interchangeable plate, and LED status indicators make it a convenient backup for travel and everyday shooting.

Frequently Asked Questions

Are these batteries compatible with Leica BP-DC7?
Yes, the pack is designed to replace Leica BP-DC7 and BP-DC7-E style batteries and also lists Panasonic DMW-BCG10 equivalents.

Can the charger run from a power bank?
Yes, the charger accepts Micro-USB and Type-C input and can charge from power banks or USB adapters as long as they supply 5V at 2-3A.

Does the kit include a charging cable?
It comes with a Micro USB cable; a Type-C cable is not included but the charger accepts Type-C input.