







🔋 Power up smarter, faster, anywhere you go!
The BONAI Battery Charger is a compact, dual-slot USB charger designed for 1.2V Ni-MH AA, AAA, C, D batteries and all 3.7V lithium batteries (excluding 3.2V LiFePo4). Featuring intelligent independent charging channels with visible status indicators and auto-stop functionality, it ensures safe, efficient charging. Its universal micro-USB input allows versatile power sourcing from wall adapters, power banks, or car chargers, making it an essential tool for professionals who demand reliable, on-the-go battery management.

















| ASIN | B088K83YWP |
| Customer Reviews | 4.4 4.4 out of 5 stars (531) |
| Date First Available | May 13, 2020 |
| Item Weight | 1.58 ounces |
| Item model number | ZN834E |
| Manufacturer | BONAI |
| Package Dimensions | 4.96 x 3.23 x 1.5 inches |
L**N
Works great, no problems. Good value.
Charges quickly and correctly, a good product.
S**P
Very good!
Works good for recharging 18650s and normal rechargeable batteries, I highly recommend this
K**I
Good product for the price
This is a great charger. I bought this specifically for C batteries so it was a good deal for what it’s for. My only concern is the batteries seem loose when you put them in to charge and you have to have a block or something to plug this into with a usb. Most my other batteries chargers I have plug into the wall so it’s less space but this does not so that’s a little more of an inconvenience in my opinion. Charges great though!
V**R
Convenient and universal; works with gumstick-type batteries
Works as intended; convenient color-coded light indicator; the spring-loaded terminal allows charging any type of battery, as long as +/- terminals are on opposite ends (including flat "gumstick" batteries, which is what I need it for). Plugs in through universal USB-C connector, which is also convenient.
Y**Z
Hasta el momento producto de buena calidad y precio. Empaque y tiempo de entrega eficiente.
P**T
Works great until it doesn't...
It works great until it doesn't... I was impressed with this charger. It's compact, versatile, and reasonably priced. Maybe I am expecting too much but I thought it would last longer before having to purchase another one.
F**.
REVIEW AFTER 3.5 YEARS
MY GO TO BATTERY CHARGER. FAST, VERSATILE AND DURABLE. WHAT ELSE CAN YOU ASK FOR ? I HAVE A PANASONIC BQ-CC17 CHARGER, WITH RETRACTABLE WALL PLUG THAT TAKES FOREVER TO CHARGE BATTERIES AND I ALWAYS GIVE THIS ONE PRIORITY OVER IT. THE TRICK WITH THIS CHARGERS, FOR FAST CHARGING IS NOT TO ADD MORE THAN 2 BATTERIES ON EACH SEPARATE BATTERY CHARGER, SO THAT IT GIVES A FULL 1A CHARGE LOAD PER EACH BATTERY. SO YOU NEED AT LEAST 2 BATTERY CHARGERS FOR FAST CHARGING, IF YOU HAVE MANY BATTERIES LIKE ME.
A**E
Replaced
Only half the original charger worked. So they sent me a second one that fully works
Trustpilot
4 days ago
2 months ago