Kastar BP-819 2-pack battery and quadruple charger camera battery
- Battery & Charger
- 1 Charger + 2 Batte…
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Kastar
Three 7.2 V 1650 mAh Li-Ion batteries and a USB-C charger that powers four cells simultaneously
This set includes three NP-FW50 lithium-ion batteries and a quadruple USB charger. Each cell delivers 7.2 volts and 1650 milliampere-hours for 11.8 watt-hours of capacity. The charger accepts Micro-USB or USB-C input at 5 volts and up to 3 amperes. It can replenish four packs simultaneously with intelligent status indication.
Swapping one factory battery for three extends shooting time across long events or video sessions. The multi-bay charger removes the bottleneck of topping up cells one by one. The jump is worth it when a day's work exceeds one battery cycle or when travel limits access to wall outlets.
The 15-watt input caps total charge current, so four depleted packs share 500 milliamperes each. Two packs draw 800 milliamperes apiece for a faster turnaround. The charger only serves NP-FW50 type cells; it cannot charge larger NP-FZ100 packs or power the camera directly while shooting.
| Brand | Kastar |
|---|---|
| Model | NP-FW50 |
| Part Number | LHD4-3B-FW50-E |
| Type | Battery & Charger |
| Pack | 1 Charger + 3 Batteries |
| Chemical | Li-Ion |
| Capacity | 11.8 Wh |
| Dimensions | 3.5*2*2.5 Inch |
| Features | Quadruple USB charger, can charge 4 batteries at the same time |
Other versions of this model
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The charger and batteries measure 3.5 by 2 by 2.5 inches, making the whole kit compact enough for most camera bags.
Insert each battery into a slot until it clicks; the step often missed is ensuring the Micro-USB or Type-C cable is connected to a 5 V 2-3 A power source before charging starts.
Expect 300-500 charge cycles; replace when the charger's intelligent display shows a significantly reduced capacity reading after a full charge.
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