Dual USB Camera Charger for BP-511/511A/508/512/522/535

What it is

This Dual USB Camera Charger is a lightweight charging solution designed for a range of BP-series camera batteries. It plugs in via USB and can charge batteries on the go or in places where a wall socket is convenient but not directly available. On paper, it aims to provide a straightforward, compact way to keep your camera powered during shoots, trips or long days of recording.

How it works

The charger uses a 5V USB input and delivers an output of 8.4V at up to 700mA. That means it can top up compatible BP batteries without needing a dedicated mains charger. The design includes automatic current control to help guard against overcharging, short circuits and shocks. A smart LED indicator signals when a battery is charging and when it’s finished, offering at-a-glance feedback.

Design and build quality

From a practical standpoint the unit is compact, roughly 4.5 by 3.75 by 0.75 inches, and weighs about 3.8 ounces. This makes it easy to slide into a bag or pocket alongside spare batteries. The construction emphasises durability and a modern charging circuit, which should give peace of mind for everyday use. That said, there’s no mention of ruggedised housing or weather resistance, so it’s better suited to indoor or controlled environments.

What stands out

• Dual charging ports allow two BP-series batteries to be charged simultaneously, which can cut downtime between shoots.
• The automatic constant current control helps prevent common charging issues and reduces risk of damage from overcharging.
• The LED indicator provides immediate status information, so you don’t have to guess whether a battery is still charging.

What could be improved

• The specification mentions USB input but does not define the exact USB type (e.g., USB-C or USB-A), which could influence compatibility with newer power sources.
• The lack of details about any included adapters or cables means you may need to source a compatible USB power source separately.
• The listing doesn’t provide information on thermal management, if you’re charging in warm conditions or with two batteries, heat buildup could affect performance or speed.

For whom it is suitable

This charger is a pragmatic choice for photographers or videographers who rely on BP-series batteries and want a compact, uncomplicated charging option when travelling or shooting on-location. If your workflow involves keeping spare batteries ready and you frequently travel light, the dual port design can minimise downtime between sessions.

When it might not be the best option

• If you need rapid charging or fastest possible recharge times, higher-end dedicated chargers may offer quicker cycles.
• If you require weatherproofing or rugged use, this basic model may not meet those durability expectations.
• If your setup uses non-BP batteries or a different voltage profile, you’ll want to verify compatibility before purchase.

What to check before buying

• Confirm that the BP battery models you use are listed among the supported variants (the label includes several BP-series models).
• Consider whether you’ll benefit from a truly portable two-battery solution versus a single-slot charger with a longer recharge cycle.
• Ensure you have access to a compatible USB power source, the 5V input spec implies compatibility with many USB chargers, but the exact compatibility with USB-C vs USB-A could matter in practice.

Practical use case

Imagine you’re on a documentary shoot, needing to keep two camera batteries topped up while you switch between scenes. You toss this dual charger into your kit bag, connect a USB brick, and you’ve got a simple, low-profile charging station that sits on a desk or tripod leg without drawing much attention or space.

Alternatives and context

If you’re comparing charging strategies, this device aligns more with low-profile, travel-friendly charging rather than high-speed, high-capacity charging. For some users, a dedicated BP-series charger with a more substantial current profile or a multi-bay dock might be preferable, but those solutions tend to be larger and pricier. In practice, this charger offers value where space, weight and simplicity are priorities, and where two-battery simultaneous charging is a nice-to-have rather than a necessity.

FAQ (based on available information)

• Will this charger work with all BP-series batteries? It lists support for several BP models, but you should confirm your exact battery variant is included in the compatibility range.
• Do I need a specific USB charger to power it? The input is 5V, 2–3A, which should work with many USB power sources, though some USB ports may not supply enough current for two batteries simultaneously.
• Is there any indication of charging speed or cycle duration? The output is 8.4V at up to 700mA, actual charging time will depend on battery capacity and the number of batteries charged at once.

Is it worth it?

Worth considering if you prioritise portability, two-battery simultaneous charging, and a straightforward charging routine in everyday use. It may not be the best fit if you need the fastest possible recharge or rugged, weather-resistant gear for outdoor shoots.