Best 4 V Batteries in 2026

Replacement battery for the Olympus E M1 Mark II

7.4V, 1720mAh, 12.8W

Approx. 2 hours for full charge when used with the Olympus BCH 1 battery charger

Battery Type:Li-ion / Voltage:3.7V / Capacity:1200mAh

Premium cells, high energy density, memory free, extra long life, more shots for your cameras

Compatible with Pentax D-LI92, Ricoh Pentax Optio I-10 RZ10 RZ18 WG-1, WG-2, WG-2GPS, WG-3, WG-3GPS, WG-4, WG-4GPS, WG-5GP, SWG-10, WG-20, WG-30, WG-30W, WG-40, X70

Our li-40b li-42b li-42c charger is 100% new and compatible with original item, 12 months warranty.

This li-42b battery charger has LCD indicator, charging is red, charging completed is green.

Prevent overvoltage, overcurrent and short circuit protection.

Approx. 3 hours for full charge

4.9 WH

1350 mAh

COMPATIBILITY - Works with these popular Olympus cameras that use BLS1, BLS5 batteries: Olympus E-420, E-450, E-600, E-620, OM-D E-M5 III, OM-D E-M10, OM-D E-M10 Mark II, OM-D E-M10 Mark III, OM-D E-M10 Mark IIIs, OM-D E-M10 Mark IV, PEN E-P1, PEN E-P2, PEN E-P3, PEN E-PL1, PEN E-PL2, PEN E-PL3, PEN E-PL5, PEN E-PL6, PEN E-PL7, PEN E-PL8, PEN E-PL9, PEN E-PL10, PEN E-PM1, PEN E-PM2, PEN E-P7, Stylus 1

BATTERY & CHARGER SPECS - Premium Grade-A cells rated at 7.2V, 2000mAh for longer run-time and battery life; Charges two batteries simultaneously from any USB source; Input 5V, 2000mA (recommended); Outputs 600mA (x2); Batteries and charger work with Olympus original batteries and Olympus original charger

MULTIPLE CHARGING OPTIONS & OVERCHARGE PROTECTION - Recharge your batteries in a multitude of ways including your wall, car, or powerbank. Charger is protected with overcharge protection to increase safety

LI90B LI-92B Li-ion Battery for Olympus Tough Digital Cameras

Battery Specifications - Energy Storage Capacity: 1500mAh /Voltage: 3.6 volts, WH: 5.4Wh - New fully decoded chip works just like the original.(gives time left and does not need a special charger)

100% Safety Guarantee: Built with multiple circuit protection (over-charging, short-circuit, high-temperature, and surge protection), and high-quality, fire-resistant construction

Includes 2 batteries, 1 Dual USB charger and 1 micro USB cable for Olympus Li-42B Li-40B Fujifilm NP-45 NP-45S

Exact Capacity: Each Li 42B battery features 3.7V, 740mAh, Triple your camera runtime with a complete backup package including two replacement batteries and a dual battery charger

Convenient Charging Method: Common micro-USB input and the ability to charge with a USB wall charger, car charger, or external battery gives you more options than a standard battery charger. When the charger is electrified without battery, the indicator light stays green. And smart LED light turns to RED when charging and GREEN when complete

Kastar 2 pack high capacity batteries. Use high quality Japanese cells for longer battery life with no memory effect.

New smart slim USB charge design, easy to carry. Input: 5V 2A; Output: 4.2V/8.4V 600mA.

Can be powered by USB Wall & Auto Charger or a Computer, LED indicate: Red light for charging; Green light for standby or full-charge.

LI-90B LI-92B Li-ion Battery for Olympus Tough Digital Cameras

Battery Specifications - Energy Storage Capacity: 1500mAh /Voltage: 3.6 volts, WH: 5.4 Wh - New fully decoded chip works just like the original.(gives time left and does not need a special charger)

Memory free for maximum performance - Absolutely no memory effect so that you can charge battery at anytime - Super Long Time Recording - 100% Safety Guarantee: Built with multiple circuit protection (over-charging, short-circuit, high-temperature, and surge protection), and high-quality, fire-resistant construction

Rechargeable Lithium-Ion Battery

Standard capacity of 740mAh

Recharge with LI-41C battery charger

Kastar Mini Rapid A/C Charger Features a Fold-out US Plug, 110-240V Worldwide Input Voltage, Car Charging Adapter, and European Plug.

Kastar Battery Utra-high Capacity. Use high quality Japanese Cells for longer battery life with no Memory Effect.

Charge indication Green lights for standby, Red is for charging and with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock.

📷【Compatible With】Olympus Li-42B/Li-40B, Fujifilm NP-45/NP-45A,Olympus Stylus 820 830 840 SW 725 SW 770 SW 790 SW 850 SW FE190 FE220 and Nikon S60 S80 S200 S210 S220 S230 S500 S510 S520 S570 S600 S700 S3000 S4000 S5100 and Fujifilm FinePix XP140 XP130 XP120 XP95 XP90 XP50 XP60 XP70 XP80 J10 J12 J15 J15fd J20 J25 J26 J27 J30 J35 J38 J40 J100 J110W J120 J150W J210 J250 Z70 Z71 Z80 Z81 Z90 Z91 Fujifilm Mini 90 Neo Classic camera Nikon EN-EL10, Pentax D-Li63/D-Li108

📷【High Capacity】2 pack 1200mAh high capacity batteries. Use high quality cells for longer battery life with no memory effect.

【LED Display&Dual Charging Slots】LI-40B battery charger could charge two batteries simultaneously and independently. built-in LED Digital Display Screen,4 LED indicators can easily shows the charging status of each battery,no more guessing whether it charge or not!

Fits any camera battery which's size is NOT over then 60mm x 42mm x 24mm

Made of high quality PC material, sturdy and durable, better protection for your battery

Silicone water-resistant seal prevents water and other debris, keeping battery's safety from damaging or short circuit

Olympus BLS-1 Battery Pack (POWWER Brand name)

100% OEM Compatible - Complies with or Exceeds OEM Olympus BLS-1 Battery specs

Guaranteed to operate with your Olympus BLS-1 digital camera

【Never Miss a Wonderful Moment】You’ll never miss a once-in-a-lifetime moment again by with a new battery, specifically designed for your Olympus digital camera. With 3 batteries(1280 mAh,3.7V) and a smart charger, back you up with a complete power solution

【Perfect Compatibility】Replacement for Olympus Li-90B LI-92B battery(Not for Pentax D-li92)We strictly control our quality, and make to the exact compatible with these popular Olympus models that use Li-90B batteries: Olympus SH-1 SH-2 SH-50 iHS SH-60 SP-100 SP-100EE TG-1 iHS Tough TG-2 iHS Tough TG-3 Tough TG-4 Tough TG-5 ToughTG-6 XZ-2 iHS

【Two Charging Port&Multiple Charging Options】 With micro-USB and Type C Port, you can charge your battery with wall charger, car charger and power bank. Portable size charging set easy to carry when out or travel, no need to worry about short of power

LI50B LI-50B Li-ion Battery for Olympus Digital Cameras

Battery Specifications - Energy Storage Capacity: 1000 mAh /Voltage: 3.7 volts /WH: 3.7 Wh, Chemistry: Li-ion - New fully decoded chip works just like the original. (gives time left and does not need a special charger)

Memory free for maximum performance - Absolutely no memory effect so that you can charge battery at anytime - Super Long Time Recording - 100% Safety Guarantee: Built with multiple circuit protection (over-charging, short-circuit, high-temperature, and surge protection), and high-quality, fire-resistant construction

Olympus LI-50B

Battery Capacity: 1200mAh; Voltage: 3.7volts. High quality cells for longer battery life with no memory effect.

Smart charging LED indicates when charging is completed and prevents battery from overcharging, of course you can also check the charging process from the LED display.

Convenience and easy to recharge your battery with USB cable by laptop computer,car charger, wall charger or power bank etc.Portable size charging set easy to carry when out or travel, never miss a wonderful moment.

Replacement non-OEM (generic) Lithium-ion Battery for Olympus PS-BLS1 camera Batteries; great as a back up power source for your digital shooting needs

Integrated microchip prevents overcharging and lengthens battery life

Absolutely no memory effect so that you can charge battery at any time

Compatible Replacement Battery for: Adorama ADLI10B, ADLI12B APS BC1082 Battery Biz B-9613, DR9613 CTA DBLI10B, DB-LI10B Dantona CAM-L10B Delkin DD/LI-10B, DDLI-10B DigiPower BP-OL10P Duracell DROL10, DROL10RES Empire BLI-224 Energizer ER-D500 GTMax CAMOLY001 Hahnel HL10B, HL-12B Impact LI10B Lenmar DL010B Maxell B-9613, DC3710 Maximal Power DB OLY LI-10B-12B Neewer 10022052 Olympus 200838, DDLI-10B, LI10, LI-10B, LI-11B, LI-12B Pearstone LI-12B Power 2000 ACD219, ACD-219 Power Battery BP-OL10P, DBL DB-L10 Sakar BP-LI10B Sunpak TAI-S115601 Ultralast ULLI10B, UL-LI10B VidPro ACD219

Dimensions: 1.25 x 1.81 x 0.39 Inches

Weight: 0.85 oz.

Compatible Replacement Battery for: CTA DB-LI40, DB-LI40B Delkin Devices DD/LI-40B Digital BP-OL-40B Digital Concepts BP-LI40B Empire BLI-272, VBC-272P Hahnel HL-40B Inov8 B1304 Lenmar LI40B Olympus 2000346, LI40, LI-40B, LI-42B Power 2000 ACD-247 Propower LI40B Ultralast UL-LI40B Uniross U0131742 Unomat DPA-LI40B

Dimensions: 1.22 x 1.57 x 0.23 Inches

Weight: 0.59 oz.

Battery Type : Li-ion

Battery Capacity : 7.4Wh 2000mAh

Output Voltage : DC 4.2V (max) / DC 3.6V (mean)

Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.

Battery Type: Li-ion|| Voltage: 3.70V ||Capacity: 1090mAh ||Color: Black

Dimension: 46.00 x 31.85 x 9.85 mm||Weight: 156.70 g||Product Type: Replacement Battery (Brand New) ||Condition: New, 1 year warranty!

An Essential Accessory for The Olympus Tough Digital Cameras

High quality battery charger is a handy companion for digital shooting. Charger is designed with a foldable A/C plug that charges your camera / camcorder battery anywhere in the world.

Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Smart LED indicator shows charging status.

UC-90 Replacement Battery Charger for LI-92B Batteries Olympus Tough SH-1, SH-2, SP-100, SP-100 IHS, SP-100EE, Tough TG-1 iHS, Tough TG-2 iHS, Tough TG-3, Tough TG-4, Tough TG-5, TG-6, SH-50 iHS, SH-60, XZ-2 iHS Digital Camera

Dual USB Charger charges 1, or 2 batteries simultaneously from any USB power source. Memory free make this rechargeable lithium ion battery always can be charge at any time and always maximum performance. It built with multiple circuit protection (over-charging, short-circuit, high-temperature, and surge protection), and high-quality, fire-resistant construction.

Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Smart LED indicator shows charging status.

Kastar Mini Rapid A/C Charger Features a Fold-out US Plug, 110-240V Worldwide Input Voltage, Car Charging Adapter, and European Plug.

Kastar Battery Utra-high Capacity. Use high quality Japanese Cells for longer battery life with no Memory Effect.

Charge indication Green lights for standby, Red is for charging and with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock.

Pentax D L178,DL178, DLI78, D LI78, M50, M60, M60, S1 BLACK, S1, CHROME, S1, GREEN V20, W60, W80, RICOH, DB 80, DB80, R50, SANYO, DB L70, DBL70, VPC-E10, VPCE10, Nikon, S550, S550, S560, S660, OLYMPUS, LI, 60B, FE-370, LI60B, FE370

680 mAH

📷【Battery Performance】2 Pack BLX-1 Lithium-Ion Replacement Battery: 14.4Wh 7.2V 2000mAh, works just like the original. Longer battery life and faster charger with No Memory Effect. Specially designed for your Olympus digital cameras. More importantly, we have two protective box to protect your battery.

📷【Wide Compatibility】100% compatible with camera models: Olympus OM System OM-1 Mirrorless Camera; 100% Compatible with battery models: BLX-1 Lithium-Ion Battery; 100% Compatible with charger models: BCX-1 Battery Charger.

📷【Dual LCD Charging Station】IBATTS Intelligent Dual charger with LCD display screen can clearly show the charging and power status. Two batteries can be charged at meantime, no more waiting around. Made of high-quality materials, helps to extend the life of the battery. Effectively preventing battery (over-charging, short-circuit, high-temperature, and surge protection), and high-quality, fire-proof material, safety to use.

Kastar Ultra-fast Charger (Output: 4.2V/8.4V with 1.0A) Charge over 3 times faster than a normal charger. 110-240V Worldwide Input Voltage. Kastar Battery Utra-high Capacity. Use high quality Japanese Cells for longer battery life with no Memory Effect.

Includes USB output: 0.6A then it could charge almost any USB device, like Apple phones, Smartphones, tablets and any other USB Powered Devices.

Intelligent Ultra fast charger LCD displays charging status, battery capacity, charging voltage, and USB output voltage.

OLYMPUS Mju TOUGH STYLUS TOUGH µ [MJU:] u, 9000, U TOUGH 6000, U TOUGH 8000, SP, 800UZ, STYLUu, 9000, STYLUu, 9010, STYLUS TOUGH 6020, STYLUS TOUGH 8010, U 9000, U 9010, sp800uz, Mju 9000, Mju 9010, Mju TOUGH 6010, Mju TOUGH 8000, Mju TOUGH 8010, SP, 800UZ, Ultra, Zoom, TG, 610, TOUGH XZ10, XZ, 10, TOUGH TG?860, TG-870, TG860, TG870

µ [MJU:] iHS, BLUE, TG, 630, iHS, RED TG, 630, iHS BLACK, TG, 830, iHS, BLUE, TG, 830, iHS, RED TG, 830, iHS BLACK, SZ, 16, iHS, SILVER, SZ, 16, iHS, WHITE, SZ, 15, RED SZ, 15 BLACK, XZ, 10 BLACK, U TOUGH 6010, STYLUS 1010, STYLUS 1020, STYLUS 1030 SW, U 9000, µ, TOUGH 6000, µ, TOUGH 80, TG, 830, iHS, Outdoor, Adventure, Pack, II, TG, 620, iHS, VR, 370, TG, 850, T, 835, TG, 835

Pentax, X70, X70, Mega, I, 10, RZ10, DIGITAL RZ10 Kit BLACK, RZ10 Kit, Lime, RZ10 Kit, Violet, RZ10 Kit, White, I, 10 BLACK, I, 10, White, WG 1 BLACK, WG 1, GPS, Gray, WG 1, GPS, GreEN WG 1, Purple, RZ18, RZ18 BLACK, RZ18, ORANGE, RZ18, WHITE, WG 2, WG 2 BLACK, WG 2, GPS, WG 2, GPS, ORANGE, WG 2, GPS, WHITE, WG 2, RED WG 2, GPS, BLUE, WG 2, GPS, GLOSS, WHITE, WG 2, GPS Kit, Shiny, Orange, WG 2, GPS, Vermillion, RED WG 3, Orange, WG 3 BLACK, WG 3, GPS, GreEN WG 10, ReD WG 30w, WG30w, etc