Kastar 3-Pack CGR-D16S Battery and LTD2 USB Charger - Dual Bay

In this review the Kastar 3-Pack CGR-D16S Battery and LTD2 USB Charger is evaluated for videographers and prosumer camera owners who need reliable spare power and a flexible, portable charger. The review finds the kit most valuable for users of compatible Panasonic models because it combines three 7.4V 2100mAh lithium-ion batteries with a dual-bay USB charger that can charge two batteries at once and accepts both Micro-USB and Type-C inputs. The single biggest reason to buy is the combination of genuine runtime capacity and a compact charger that displays charge status via intelligent LED indicators.

Key Features

• Battery Type: The included 7.4V lithium-ion batteries provide consistent power and are higher capacity at 2100mAh for extended recording sessions.
• Dual Charging: The LTD2 charger can charge two batteries simultaneously so you can refresh multiple spares between shoots.
• Interchangeable Plate: The charger allows changing the plate to fit different compatible battery models, increasing versatility across Panasonic battery types.
• USB Power Input: With Micro-USB and Type-C inputs and a 5V 2-3A 15W input spec, the charger can be powered from common power banks and USB adapters for field use.
• Intelligent LED Display: The LED indicators show charging status and approximate battery capacity so you can see progress at a glance.
• Portable Design: The compact charger and included Micro-USB cable make the kit easy to carry in a camera bag for location shoots.

Who It's For

This kit is aimed at owners of Panasonic camcorders that accept CGR-D16, CGR-D28, CGR-D320 or VW-VBD25 series batteries who need an affordable way to keep multiple spares charged. It suits run-and-gun shooters, event videographers, and anyone who prefers carrying swappable batteries instead of relying solely on AC adapters.

Users who require manufacturer OEM batteries for warranty reasons or who need extremely fast professional multicell charging with advanced thermal management should consider higher-end dedicated chargers or OEM battery options instead.

Pros & Cons

Pros

• Three 2100mAh lithium-ion cells provide useful extra runtime for long shoots.
• Charger accepts both Micro-USB and Type-C inputs, making it convenient for travel and power banks.
• Dual-bay charging and interchangeable plates make the charger flexible for multiple Panasonic battery types.
• LED indicators give a clear visual of charging status and remaining capacity.

Cons

• The charger output is modest at 800mA per bay, so charging is not as fast as some high-power desktop chargers.
• The bundle includes only a Micro-USB cable, so a Type-C cable may need to be sourced separately for that input.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	2100mAh
Charger Input	5V 2-3A 15W (Micro-USB and Type-C)
Charger Output	8.4V 800mA x1 or 800mA x2
Simultaneous Charging	Yes, up to 2 batteries

Our Verdict

The Kastar 3-Pack CGR-D16S Battery and LTD2 USB Charger is a practical, budget-friendly kit for Panasonic camera users who need multiple spares and portable charging. Its 2100mAh batteries and dual USB charger offer good value for field work, though users wanting the fastest possible recharge times may prefer a higher-output charger. Overall it is a solid choice for run-and-gun videographers and hobbyists.

Frequently Asked Questions

Are these batteries compatible with Panasonic CGR-D28 and D320 series?
Yes, the kit lists compatibility with CGR-D28, CGR-D320 and related Panasonic models when the correct plate is fitted.

Can the charger run from a power bank?
Yes, the charger accepts 5V input at 2-3A via Micro-USB or Type-C, so it can be powered by most power banks that supply sufficient current.

Does the kit include a Type-C cable?
The package includes a Micro-USB cable; a Type-C cable is not included and must be provided separately for Type-C input use.