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Description
4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance For Drill Motor 14.8V 16.8V Lipo Cell Module4S 40A Li ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance For Drill Motor 14. 8V 16. 8V Lipo Cell Module Now this 4S 40A balance version has upgrade to new ! 1, increased anti interference function, 2, reduce the large current heat by 30%, 3, starting power increased from 135W to 220W (4S40A) Integrated 10 low load resistance MOS tube, continuous discharge 40A, 100mA balanced current, for electric drill sprayer LED lights low
4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance For Drill Motor 14.8V 16.8V Lipo Cell Module
Now this 4S 40A balance version has upgrade to new !
1, increased anti-interference function,
2, reduce the large current heat by 30%,
3, starting power increased from 135W to 220W (4S40A)
Integrated 10 low load resistance MOS tube, continuous discharge 40A, 100mA balanced current, for electric drill/sprayer/ LED lights/low power inverter.
4S 16.8V 40A lithium battery protection board (comes with recovery function-AUTO Recovery)
Charging voltage: 16.8V - 18.1V
Continuous charge current (upper limit): 20A
Board Size: 46*60*3.4mm
Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current use)
Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, polymer lithium battery)
Note:this item is Balanced version .If you need other Version,please contact us.The 2 version price is different
Balanced version: suitable for starting current below 80A, power 135W below the drill.(with balance)
Note 1: The successful start of the electric drill requires four 15C-20C power batteries, or eight 10C-15C power batteries (ordinary 18650 can not start drill! ! !).
Note 2: Connect 0V, 4.2V, 8.4V, 12.6V, and 16.8V in strict accordance with the diagram. Do not intentionally short circuit.
Note 3: When the battery is charged, “430” resistance heating is a normal phenomenon, indicating that the equalizing circuit is working; if the “430” resistance is also heating in the state of not charging, please check whether the wrong line is connected.
Note 4: 4 groups of batteries in series, please ensure that the voltage of each group of batteries, if not the same, please fill each battery separately and then use in series. The The Discharge test, the voltage drop faster battery that group is poor battery.
Package:
1* 4S 4A Balance Version Protection Board
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Gorgeous Distressed Bronze Frame, Easy to Hang
Color: Bronze, Size: 18x24, Color: Bronze, Size: 18x24
This bronze frame looks really, really good—honestly, it passes for real bronze at a glance. It has a nice distressed finish that gives it some character without overdoing it.
It’s also surprisingly lightweight, which makes it much easier to hang on the wall. The overall build feels solid, and I don’t see any issues with it coming apart or feeling cheap.
I especially like the back—everything is well thought out, from the sawtooth hangers to the tabs that make it easy to open and insert your print.
I didn’t have my print yet to put in it, or I would’ve included a photo of it fully set up, but I added some pictures to show the detail and the back hardware.
Great-looking frame, well made, and easy to work with. Definitely happy with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
★★★★★ 5
Quality picture frame, with mat at amazing price point
Color: Black, Size: 11x14
Nice black frame- high quality appearance - no glass to shatter if there if it were to fall- the back secures with several easy to use securing clips- hangs vertically or horizontally- great price point -super happy with this product and would purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
Nice Frames
Color: Black, Size: 8x10
I purchased two of these frames in black. I was pleasantly surprised at how nice they are given the price was so low. I removed the film on both sides of the plexiglass as instructed and it was crystal clear. These are not high quality frames if that's what you are looking for.....real wood or glass. However, they are awesome for the price and what I needed them for. I would purchase them again.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Perfect for my neefs
Color: Black, Size: 8x10, Color: Black, Size: 8x10
I got this to hang a photo in my office and it was perfect for my needs. It was very easy to open the back and install the photo and the enclose back up. It is very well made and it looks great. It hangs nice and neatly on my wall and is great for displaying my 8x10 photo I needed to show off.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
BEAUTIFUL.
Size: 1-Pack, Style: Zinnia Dahlia
Great seeds, good germination.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
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