Best 4 V Batteries in 2026
Daisy
Last Updated: Jul 19, 2026
Daisy
Last Updated: Jul 19, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
100% New from Manufacturer. Factory Price!
Fits: HP Compaq Presario CQ430, CQ630, CQ32, CQ42, CQ43, CQ56, CQ57, CQ62, CQ630, CQ72; HP 430, 431, 435, 436, 630, 631, 635, 636, 650, 655
Battery Replace hp spare 586006-321, 586006-361, 586007-541, 586028-341, 588178-141, 593553-001, 593554-001, 593562-001, GSTNN-Q62C, HSTNN-CB0W, HSTNN-CBOW, HSTNN-F01C, HSTNN-F02C, HSTNN-I78C, HSTNN-I79C, HSTNN-I81C, HSTNN-I83C, HSTNN-I84C, HSTNN-IB0N, HSTNN-IB0X, HSTNN-IB1E, HSTNN-OB0X, HSTNN-OB0Y, HSTNN-Q47C, HSTNN-Q48C, HSTNN-Q49C, HSTNN-Q50C, HSTNN-Q51C, HSTNN-Q60C, HSTNN-Q61C, HSTNN-Q62C, HSTNN-Q63C, HSTNN-Q64C, HSTNN-UB0W, HSTNN-YB0X, MU06, MU06XL, NBP6A174, NBP6A174B1, NBP6A175, WD548AA
More Part numbers of compatible batteries and Computers are listed in Product Description
24 months hassle-free warranty, 24 x 7 Email Support. As this replacement battery can fit many models and part numbers, the factory cannot mark all the compatible part numbers on it, please understand.If you have any problems, pls contact us by the message, we will reply within 24 hours.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
Specification: 9 cells black li-ion 11.1V 7800mAh black 299.80x49.50x37.60mm 466.85g replacement laptop battery KM973 KM974 MT335 PW823 RM868 RM791 KM976 RM870 KM978 PW824 for Dell Studio 1735 1737 Series.
CE UL RoHS certified, safe use.
10.8V and 11.1V is compatible, 14.4V and 14.8V is also compatible.
Full compatible with your original battery, brand new direct from Professional Manufacturer.
Please make sure that the battery part numbers listed in the description matches the battery part number on your original battery before you purchase.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
Battery type: Li-ion; Cells: 6-cell; Capacity:5200mAh / 58Wh; Voltage: 11.1V
Compatible part number:31CR19/65-2 / 31CR19/66-2 / 3ICR19/66-3 / 31CR19/65-2 / AS10D31 / AS10D3E / AS10D41 / AS10D51 / AS10D61 / AS10D71 / AS10D75 / AS10G3E / AS10D / BT.00603.111 / BT.00606.008 / BT.00607.125 / BT.00607.127 / AK.006BT.075 / AS10D73 / BT.00603.117 / BT.00605.062 / BT. 00607.130 / AK.006BT.080 / AS10D75 / BT.00603.124 / LC.BTP00.123 / BT.00604.049 / BT.00605.065 / BT.00607.126
Compatible Models 1:Acer Aspire 4250 4253 4339 4349 4551 4551G 4738 4738Z 4739 4739Z 4743 4743Z 4741 4750 4750G 4755 4755G 4752 4752G 4752Z 4771 5251 5252 5253 5336 5349 5551 5551G 5552G 5560 5560G 5733 5741 5741G 5741Z 5742 5742G 5742Z 5742ZG 5750 5750G 5750Z 5750ZG 5755 5755G 5736 5736Z 7741G 7741Z-5731 7741Z-4643 7551G 7552G 7750Z
Compatible Models 2:Acer TravelMate 4740 4750 5335 5542 5542G 5735 5735Z 5740 5740G 5740Z 5742 5742G 5742Z 5742ZG 5744 5760 6495T 7740 7740G 7750 7750G 7750Z 8472 8473 8573 TM5742;Gateway NV57H NV55S NV50A NE56R NV51B NV75S NV77H NE51B NV76R NV52L NV73A NV79C NV56R NV49C.
12 months hassle-free warranty service.We provide best prices possible on the highest quality products and the most popular brands. Please check if this battery is compatible with your computer before purchasing. Part numbers of compatible batteries and Computers are listed as following.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
New 11.1v 5200mAh 6 cell Acer Aspire One D255 D260 722 netbook replacement battery AL10A31 AL10B31 AL10BW AL10G31 BT.00603.121 LC.BTP00 204x56x29mm 295.0g..
10.8V and 11.1V is compatible, 14.4V and 14.8V is also compatible.
Full compatible with your original battery, brand new direct from Professional Manufacturer.
CE UL RoHS certified, safe use. 60 days no worry to return or exchange item, 12 months customer service warranty. US local dispatch.
Not compatible with Acer Aspire One D255E-13639.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
Replacement for laptop battery Dell Latitude E6400 E6410 E6500 E6510 Precision M2400 M4400 M4500 M6500 compatible with original battery part number PT434 PT435 PT436 PT437 KY477 KY265 KY266 KY268 FU268 FU274 FU571 MN632 MP303 MP307 NM631 NM633.
Specification: 6 cells 11.1V 5200mAh silver 205.90x46.85x20.90mm 395.0g.
Full compatible with your original battery, brand new direct from Professional Manufacturer.
CE UL RoHS certified, safe use. 60 days no worry to return or exchange item, 12 months customer service warranty., US local dispatch.
Please Note: Please make sure that the product shape of slot and gap are the same size. The battery part numbers listed in the description matches the battery part number on your original battery before you purchase.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
Replacement for Dell Latitude D500 D505 D510 D520 D530 D600 D610 PP05L PP11L d605 laptop battery 1x793 6Y270 3r305 6 cells 11.1V 5200mAh grey 127.4x77.4x20.4mm 315.0g.
10.8V and 11.1V are compatible, 14.4V and 14.8V are also compatible.
Full compatible with your original battery, brand new direct from Professional Manufacturer.
CE UL RoHS certified, safe use. 60 days no worry to return or exchange item, 12 months customer service warranty, US local dispatch.
Generally, new battery charges three or five times to active its electric performance.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ❌ | ❌ | ❌ |
Dimension: 142.40*96.00*26.80mm.
Capacity: 5200mAh, Cell count: 6.
Voltage: 11.1V Li-ion Laptop Batteries.
Certified by CE, FCC, RoHS, 60 days no worry to return or exchange item, 12 months customer service warranty.
Laptop battery for HP Mini 110-1000 Series, Mini 110 Mi/XP Edition, COMPAQ Mini 110c-1000 Series.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
Compatible Models: A660 C655-S5049 C655-S5082 C655-S5128 L675 L675D L750 L750D L750-171 L750-1DM L750-1DQ L750-1DR L750-1DU L750-1DV L750-1EK L750-BT4N22 L750D L750D/009 L750D-14R L750D-14U L750D-BT5N11 L600 L600-15S L600D L700 L700D-T10W L700-T10R L745D L740 L735 L730 L755 L770 P740 P740D P745D P750 P750D P755D P770. Compatible Part Numbers: PA3816U-1BRS PA3817U-1BRS PA3818U-1BRS PABAS227 PABAS228 PABAS229 PABAS230 PA3819U-1BRS
Battery For Toshiba PA3817U-1BRS Laptop Battery - 6 Cells 58 Wh 5200 mAh, compatible to a665-s5179 a665-s5186 a665-s5199x a665-s6050 a665-s6085 a665-s6086 a665-s6094 a665-s6100x a665dc55d-b5319 c605 c640 c645 c645-sp4250l c655 c655-s5049 c655-s5082 c655-s5118 c655-s5122 c655-s5123 c655-s5128 c655-s5132 c655-s5206 c655-s5212 c655-s5225 c655-s5301 c655-s5305 c655-s5501 c655-s5503 c655-s5504 c655-s5512 c655-s5514 c655-s5540 c655d c655d-s5136 c655d-s5200 c855 c875d
Compatible Part Number: PA3817U-1BAS PA3818U, PA3819U, PA3816U-1BRS PA3816U-1BAS, also perfect fit for m505 m640 m645 m645-s4045 m645-s4050 m645-s4070 m645-s4115 p745-s4102 p745-s4217 p745-s4320 p750 p750d p755 p755-s5120 p755-s5182 p755-s5184 p755-s5215 p755-s5262 p755-s5272 p755-s5274 p755-s5320 p755-s5385 p755-s5387 p755-s5390 p755-s7320 p770 p775-s7320
100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. All products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety.
Warranty: Free exchange within 12 months, 30 days money back guarantee. Contact us: Amazon message. Email contact is available 24 hours a day, 7 days a week.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ❌ | ❌ | ❌ |
Compatible for Dell Inspiron 14 3421 3437 5421 N5421 N3421 14R 3421 5421 5437 15 3521 3537 3531 5521 15R 5537 N3521 N5521 N5537 17 3721 3737 5737 17R 5721 N3721 N3737 N5721 N5737 Series; Dell Latitude 14 3000 Series; Dell Latitude 15 3000 Series; Latitude 3440 E3440 3540 E3540 Series Vostro 2421 2521 Series
Compatible P/N:0MF69 49VTP 68DTP 6KP1N 8TT5W FW1MN MK1R0 PVJ7J V8VNT X29KD YGMTN 24DRM 4DMNG 6HY59 6XH00 312- 1390 312-13929K1VP G019Y MR90Y T1G4M VR7HM XCMRD 4WY7C 6K73M 8RT13 DJ9W6 G35K4 N121Y V1YJ7 W6XNM XRDW2 312-1387 312-1433312-1387 312-1433 312-1390 312-1392 451-12107 451-12108
100% New from Manufacturer. Overcharge and Overdischarge Circuit Protection;Over-temperature and Short-circuit Protection; Up to 500 recharge cycles over the life of the battery.
✅ All products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety
Warranty :We specialize in providing quality power products from factory direct sales and quality customer service. Full Refund within 60 days.Satisfaction guaranteed and backed by 12 months replacement warranty for free and 24 x 7 email support.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
Dimension(length width, height): 203.90*53.40*20.40mm.
Capacity: 5200mAh, Cell count: 6.
Voltage: 10.8V Li-ion Laptop Batteries.
Certified by CE, FCC, RoHS, 60 days no worry to return or exchange item, 12 months customer service warranty.
Battery for HP EliteBook 6930p 8440p 8440w HP Compaq 6530b 6535b 6730b 6735b HP ProBook 6440b 6445b 6540b 6545b.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
Dimension: 204*48*21MM.
Capacity: 5200mAh, Cell count: 6.
Voltage: 11.1V (Compatible with 10.8V)
Certified by CE, FCC, RoHS, 60 days no worry to return or exchange item, 12 months customer service warranty.
Laptop battery for HP EliteBook 8460p 8460w 8560p 8560 Series, ProBook 6360b 6560b 6460b 6565b 6465b Series.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
Dimension: 250mm*70mm*20mm.
Capacity: 2200mAh, Cell count: 3.
Voltage: 11.1V Li-ion Laptop Batteries.
Certified by CE, FCC, RoHS, 12 MONTHS WARRANTY.
Laptop Battery for ASUS VivoBook X200CA-6E X200CA-9B X200CA-9E X200CA-1A X200CA-6D X200CA-9A X200CA-9D X200CA-db017 X200CA-1B X200CA-CT161H X200CA-R1.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ✅ | ✅ | ✅ |
Dimension: 127.4*77.4*20.4mm.
Capacity: 5200mAh, Cell count: 6.
Voltage: 11.1V Li-ion Laptop Batteries.
Certified by CE, FCC, RoHS,60 days no worry to return or exchange item, 12 months customer service warranty.
Laptop Battery for Mobile Workstation M20, Dell 500m 510m 600m, Latitude D500 D505 D510 D520 D600 D610, Precision M20.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Premiumm Electronics | 4.05 | ❌ | ❌ | ❌ |
Dimension: 271.95*52.70*21.80mm.
Capacity: 5200mAh, Cell count: 8.
Voltage: 14.4V Li-ion Laptop Batteries.
Certified by CE, FCC, RoHS, 60 days no worry to return or exchange item, 12 months customer service warranty.
Compatible battery Part number HSTNN-IB34, HSTNN-Q21C, HSTNN-UB33, HSTNN-IB40, 432974-001, 434674-001, 416996-131, 416996-521, 416996-541, 448007-001, EX942AA, EV087AA, EV087AA.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ❌ | ❌ | ❌ |
Compatible to Part Number and type: P8TC7 P9TJ0 KJ321 R48V3 DHT0W MKD62 M5Y0X PRRRF E5420 E6430 RU485 T54F3 T54FJ UJ499 e5420 312-1324 312-1325 for Dell Latitude E5520 E5530 e6420 e6430 E6520 xfr 17r 17r-5720/5720 7420 7720 ; 6 cell e6420, e6530 battery is fully compatible to e5430, e6430 laptop computer notebook/notebooks oem replacement lithium-ion recharge battery accessories , 6 cell 11.1 10.8v 5200mah wh whr in capacity.
10.8V and 11.1V are compatible
Compatible to Part Number: YKF0M X57F1 04NW9 312-1163 E6420 312-1242 312-1310 312-1311 451-11947 8858X 8P3YX 911MD HCJWT [Li- ion 11.1V 5200mAh]. Media bay battery and external battery are not carried in our product line. Cmos battery is a internal battery which is sold separately. We highly recommend to use original Dell charger to charge your battery.
12 months warranty, OEM factory price, US local dispatch.
Please Note: Please make sure that the product shape of slot and gap are the same size. The battery part numbers listed in the description matches the battery part number on your original battery before you purchase.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AC Doctor INC | 9.91 | ❌ | ❌ | ❌ |
6 cell laptop battery replacement for Lenovo thinkpad batteies 42T4235 42T4731 42T4733 42T4737 42T4753 42T4757 51J0499 57Y4185 ASM 42T4703 ASM 42T4752 ASM 42T4756 ASM 42T4794 ASM 42T4796 FRU 42T4702 FRU 42T4751 FRU 42T4755 FRU 42T4791 FRU 42T4793 FRU 42T4795 FRU 42T4797 FRU 42T4817 FRU 42T4819 10.8V 5200mAh black 206.60x50.00x20.20mm 300.0g.
10.8V and 11.1V is compatible, 14.4V and 14.8V is also compatible.
Full compatible with your original battery, brand new direct from Professional Manufacturer.
CE UL RoHS certified, safe use. 12-months hassle-free warranty service, buy with confidence
NOTE: Not work for Lenovo ThinkPad E420 laptop battery.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Ac Doctor Inc | 16 |
We've carried out a comprehensive analysis of 5,385 reviews on batteries, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select batteries priced around $23.19, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 16 batteries for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right batteries Products based on their needs, saving them considerable time when choosing which batteries to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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