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The Wymisnit 56Wh 15.2V Li-polymer battery is a high-capacity, 4-cell replacement designed for multiple Dell laptop series. Engineered with premium materials and advanced circuit protections, it supports up to 500 recharge cycles and comes with a 2-year warranty and included tools for easy installation. Ideal for professionals seeking reliable, long-lasting power without the OEM price tag.
| ASIN | B09JFGYN6J |
| Antenna Location | Laptop |
| Battery Capacity | 56 Watt Hours |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 12 Ounces |
| Best Sellers Rank | #6,772 in Electronics ( See Top 100 in Electronics ) #33 in Laptop Batteries |
| Brand | Wymisnit |
| Customer Reviews | 4.3 out of 5 stars 1,400 Reviews |
| Item Dimensions | 9 x 4 x 1 inches |
| Manufacturer | DONG GUAN BOYU ELECTRONICS CO., LTD |
| Model Name | 15.2V 56Wh 33YDH |
| Model Number | 33ydh |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Recommended Uses For Product | Laptop |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 15.2 Volts |
| Warranty Description | 365 Days no-questions-asked full money back or Free Exchange Guarantee, 7×24h Online Free Technical Support |
J**N
Great Buy, Don’t Spend Extra on OEM!
Works great! Everything I wanted for my battery, assembly was just as easy as removing the old one, shipped fast and in good, cushioned packaging. 4 months in and battery is still at about 98% capacity, not bad for my high usage!
S**N
Easy Installation and Works Great
This battery replacement was very easy to install. I used a screwdriver to remove the screws on the back of my laptop, then unscrewed the battery screws. I carefully used a tool to remove the old battery, put the new one in, and reassembled the laptop. Everything fit perfectly, and the laptop powered on and worked great afterward. Very happy with this purchase and the performance so far.
D**3
Amazing. Life changing.
My laptop died if it was off its umbilical chord for more than five minutes, so this new battery has been live changing. I’m constantly impressed with the lifespan! Installation was simple. Takes a while to charge but it holds its charge really well!
J**D
Battery life 2 years, starting to fail.
Purchased October 25, 2023. Worked great, but starting to fail just after the 2 year mark, Nov 18, 2025
D**A
Performance and affordable
Excellent battery at an affordable price. Wish I had purchased it sooner. The difference in the performance of my laptop is incredible. Highly recommend.
J**.
Useless Product Sold By Unreliable Vendor
The worst seller I've ever experienced through Amazon. Battery was packed in a flimsy plastic tray with no protective sleeve, with one piece of foam for protection. That should have tipped me off to the fact that this was a shoddy vendor. After going through the delicate process of removing my old battery and installing the new one, I discovered that new battery did have a cord to connect to my computer ! This was a useless product sold by an unreliable vendor.
D**G
Fit perfectly
Installed easily, no problems for the first month.
B**.
Great replacement
It was a great replacement battery for my Dell Insperion 15, 3000 series computer.