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Top Replacement Batteries For Olympus E-m1 Ii in 2026
I’ve tested the best replacements for Olympus E-M1 II and I recommend BLH-1 specific packs or high-quality BLN-1 form factors that match 7.6 V lithium-ion specs, physical fit, and smart battery communication. Look for Wasabi, Kastar, PS-BLS1 packs and dual chargers with LCD or USB-C, Grade A cells, over-current and over-voltage protection, clear warranties, and UL or CE marks. Pack spares in carry-on with terminal protection to meet airline rules, and read warranty fine print to learn more.
| Wasabi Power Battery for Olympus BLN-1 BCN-1 |
| Reliable Everyday | Compatibility: Olympus BLN-1 (OM-D E-M1, E-M5, E-M5 Mark II, PEN E-P5, PEN-F) — not for E-M1 Mark II | Chemistry / Cell Type: Lithium Ion (Premium Grade-A) | Voltage: 7.6 V | VIEW LATEST PRICE | Read Our Analysis |
| BLN-1 Replacement Battery 2-Pack with Dual Charger |
| Travel Ready Power | Compatibility: BLN-1 compatible (Olympus Pen F, OM-D E-M1, E-M5, E-M5 Mark II, E-P5) | Chemistry / Cell Type: Li‑ion | Voltage: 7.6 V | VIEW LATEST PRICE | Read Our Analysis |
| GODOX V1 Pro TTL Flash for Olympus & Panasonic |
| High-Performance Lighting | Compatibility: Compatible with Olympus (via camera hotshoe/battery system for Olympus & Panasonic flash use) — integrates with Olympus camera systems | Chemistry / Cell Type: Lithium‑ion (flash battery) | Voltage: 7.2 V (flash battery) | VIEW LATEST PRICE | Read Our Analysis |
| 2-Pack PS-BLS1 Li-ion Batteries with LCD USB Charger |
| Compact Backup Pack | Compatibility: Compatible with Olympus camera models (E-PL1, E-P1, E-P2, EP3, EPL3, E-400 series, E-410, E-420, E-450, E-620, etc.) | Chemistry / Cell Type: Lithium‑ion | Voltage: 7.4 V | VIEW LATEST PRICE | Read Our Analysis |
| Kastar 2-Pack BLN-1 Replacement Battery & Charger for Olympus |
| Long-Run Convenience | Compatibility: BLN-1 compatible (OM-D E-M1, OM-D E-M5, E-M5 Mark II, Pen E-P5, Pen-F) | Chemistry / Cell Type: Lithium‑ion | Voltage: 7.4 V | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Wasabi Power Battery for Olympus BLN-1 BCN-1
In case you own an Olympus camera that uses the BLN-1 battery and you want a reliable, budget-friendly replacement, Wasabi Power’s BLN-1, BCN-1 battery is a strong choice because it matches the original 7.6 volt, 1300 mAh lithium ion specification and works with your camera and Olympus charger. You’ll like that it’s a premium Grade-A cell packed into a direct replacement for BLN-1. It fits OM-D E-M1, E-M5, E-M5 Mark II, PEN E-P5, and PEN-F. It won’t fit E-M1 Mark II. You get one battery, three year warranty, and US support in Pomona, California.
- Compatibility:Olympus BLN-1 (OM-D E-M1, E-M5, E-M5 Mark II, PEN E-P5, PEN-F) — not for E-M1 Mark II
- Chemistry / Cell Type:Lithium Ion (Premium Grade-A)
- Voltage:7.6 V
- Rechargeability / Charger Included or Supported:Rechargeable; works with original Olympus chargers (no charger included)
- Capacity (mAh):1300 mAh
- Safety / Protection Features:Covered by 3-year warranty and designed to meet camera/charger compatibility (implied safety/quality)
- Additional Feature:3-year manufacturer warranty
- Additional Feature:US-based customer support
- Additional Feature:Compact/lightweight packaging
BLN-1 Replacement Battery 2-Pack with Dual Charger
Should you shoot often and hate running out of power mid-session, this BLN-1 replacement battery 2-pack with dual charger is a smart pick for Olympus Pen F and OM-D E series users. You get two 2280 mAh Li-ion cells rated 7.6 V, each 50 × 36 × 15 mm and 52 g, so you can swap quickly and keep shooting. The dual micro-USB charger shows real-time status on an LCD and works from wall, car, power bank, or laptop, so you’ll charge anywhere. Safety features protect against over-current, over-voltage, over-charge, over-heat, and short circuits, and 24-hour support helps should required.
- Compatibility:BLN-1 compatible (Olympus Pen F, OM-D E-M1, E-M5, E-M5 Mark II, E-P5)
- Chemistry / Cell Type:Li‑ion
- Voltage:7.6 V
- Rechargeability / Charger Included or Supported:Rechargeable; includes dual-slot micro-USB charger (LCD) and supports multiple power sources
- Capacity (mAh):2280 mAh (per battery)
- Safety / Protection Features:Built-in protections: over-current, over-voltage, over-charge, over-heat, short-circuit
- Additional Feature:Dual-slot LCD charger
- Additional Feature:Micro-USB charging input
- Additional Feature:Multi-power source charging
GODOX V1 Pro TTL Flash for Olympus & Panasonic
Should you shoot Olympus or Panasonic cameras and need a reliable, portable flash that keeps pace with fast sessions, the GODOX V1 Pro is a great match for you. You’ll get soft, even light from its round head, so skin tones stay natural and color stays steady. You can fire HSS at 1/8000s and switch between TTL and manual with one click, which saves time on tight shoots. The long-lasting battery gives about 500 full-power flashes, roughly 1.5 second recycle, and Type-C charging. Wireless 2.4 GHz links let you build multi-light setups that travel well and work fast.
- Compatibility:Compatible with Olympus (via camera hotshoe/battery system for Olympus & Panasonic flash use) — integrates with Olympus camera systems
- Chemistry / Cell Type:Lithium‑ion (flash battery)
- Voltage:7.2 V (flash battery)
- Rechargeability / Charger Included or Supported:Rechargeable; uses integrated removable Li‑ion battery with Type‑C charging / VC26 support
- Capacity (mAh):2980 mAh (flash battery)
- Safety / Protection Features:Designed for stable performance and thermal control (flash rated for many full-power shots without thermal protection constraints)
- Additional Feature:1/8000s high-speed sync
- Additional Feature:2.4 GHz wireless system
- Additional Feature:Detachable SU-1 sub/ fill
2-Pack PS-BLS1 Li-ion Batteries with LCD USB Charger
Should you rely on your Olympus gear for long days of shooting, this 2-pack PS-BLS1 bundle is a smart choice because it gives you two full 7.4V, 2000mAh lithium-ion batteries plus an LCD USB charger that keeps you going without hunting for a proprietary charger. You’ll get two batteries, a compact charger, USB cable, and manual. They match PS-BLS1 specs and fit many Olympus models like E-PL1, E-P2, EPL3, E-410, E-420, and others. Expect shooting time close to the original cell performance. You’ll travel lighter, swap quickly, monitor charge on the LCD, and feel confident on long shoots.
- Compatibility:Compatible with Olympus camera models (E-PL1, E-P1, E-P2, EP3, EPL3, E-400 series, E-410, E-420, E-450, E-620, etc.)
- Chemistry / Cell Type:Lithium‑ion
- Voltage:7.4 V
- Rechargeability / Charger Included or Supported:Rechargeable; includes LCD USB charger and USB cable
- Capacity (mAh):2000 mAh (per battery)
- Safety / Protection Features:Premium cells with standard rechargeable battery safeguards implied (charger included with LCD monitoring)
- Additional Feature:Included USB cable
- Additional Feature:LCD charger display
- Additional Feature:Manual included in package
Kastar 2-Pack BLN-1 Replacement Battery & Charger for Olympus
Should you rely on your Olympus E-M1 II for long shoots or travel, the Kastar 2-Pack BLN-1D batteries make a smart choice because they give you dependable, longer runtime and the convenience of built-in Type-C charging. You’ll get two lithium-ion cells at 7.4V and 2100mAh each, so you can shoot more without hunting for outlets. The batteries show charge status with four LED indicators and protect your camera with overcharge and overheating safeguards that meet UL1642 and CE standards. You can charge directly via USB-C, which cuts the need for an external charger and feels invigoratingly simple.
- Compatibility:BLN-1 compatible (OM-D E-M1, OM-D E-M5, E-M5 Mark II, Pen E-P5, Pen-F)
- Chemistry / Cell Type:Lithium‑ion
- Voltage:7.4 V
- Rechargeability / Charger Included or Supported:Rechargeable; built-in Type‑C charging port (charges directly, no external charger required)
- Capacity (mAh):2100 mAh (per battery)
- Safety / Protection Features:Built-in protections (overcharge, overheating) and compliance with UL1642/CE standards
- Additional Feature:Built-in Type-C port
- Additional Feature:4 LED level indicators
- Additional Feature:UL1642/CE safety compliant
Factors to Consider When Choosing Replacement Batteries for Olympus E‑M1 II
Whenever I pick a replacement battery for my Olympus E-M1 II, I check that it’s fully compatible with the E-M1 Mark II and matches the camera’s voltage and chemistry so nothing gets damaged. I also look at capacity and real-world runtime, plus the physical size and fit, because a battery that won’t seat properly or dies too fast ruins a shoot. Finally, I consider available charging options and whether I need a spare or a dual charger for faster turnaround, since charging flexibility affects how quickly I can get back to shooting.
Compatibility With E‑M1 Mark II
Because I know how frustrating a dead battery can be in the middle of a shoot, I want to walk you through the key compatibility points for replacement batteries for the Olympus OM-D E-M1 Mark II so you can buy with confidence. To start, check that the pack explicitly lists BLH-1 compatibility. The camera needs BLH-1 batteries. Next, match voltage and chemistry to the BLH-1 standard, roughly 7.2 to 7.6 V lithium ion, so the camera reads charge and operates properly. Also confirm the physical shape and terminal alignment fit the E-M1 Mark II slot for a secure connection. Finally, verify firmware and communication support for the BLH-1 smart battery protocol so battery percentage and power features work. Avoid packs labeled only BLN-1.
Battery Capacity And Runtime
In case you want a replacement battery that actually lasts through a shoot, start considering regarding capacity and real world use. I look for higher mAh initially because a 2000 to 3000 mAh cell will outlast a 1200 to 1300 mAh cell under the same shooting. Then I match expectations to habits. Should I use continuous Live View, record video, or run Wi Fi a lot, I expect runtime to drop by half or more. I also factor age, charge cycles, and cold weather since they shave usable capacity. Manufacturer mAh is a guide, so I estimate conservatively and plan spares. Lastly I watch for consistent voltage under load so the camera uses more of the battery before shutdown.
Voltage And Chemistry Match
Should you want a replacement battery that behaves like the original, I’ll tell you why voltage and chemistry matter and what to watch for. I always match the nominal voltage to the E-M1 II spec, 7.6 to 7.7 V, because higher or lower voltage can make the camera act oddly or risk damage. I also stick with the same lithium-ion chemistry so charge and discharge feel the same and the camera’s battery management trusts the pack. Next, I check that the pack includes proper protection circuitry for over-charge, over-discharge, and short circuits so the camera reads levels correctly. I prefer Grade-A Li-ion cells and solid assembly to avoid voltage sag under load. Finally, I avoid vague 7.4 V labels unless the maker confirms compatibility.
Physical Size And Fit
Fit matters more than most people expect, and I always start measuring and comparing the replacement pack against the original BLH-1 dimensions so it will slide into the E-M1 II compartment without binding. I check length width and thickness carefully because tiny shifts keep the door from closing. I also inspect the terminal layout and spacing so contacts meet the camera springs without sparking or losing power. I weigh the pack and observe balance so hand-feel stays familiar and the door hinges do not take extra strain. I test the housing shape to make sure the latch clicks and releases smoothly. Should you use a grip or dual-battery accessory I confirm height and connector placement match the original so everything mates correctly.
Charging Options Available
I like to start placing out the charging choices clearly so you won’t get stuck mid-shoot, and I’ll walk you through what really matters for Olympus E-M1 II replacement batteries. I recommend matching chargers to the camera’s 7.6–7.4 V Li-ion chemistry and voltage so cells charge properly. You can charge in-camera via USB Type-C for convenience, or use external chargers whenever you need speed and multiple batteries. Look for chargers with clear indicators like LED or LCD to show real-time state of charge. Check input and current ratings for faster fills. Pick chargers that accept wall adapters, car plugs, and power banks to stay flexible on location. Finally, choose units with automatic cut-off and protection features to keep battery life healthy and reliable.
Safety Protections Included
How do you know a replacement battery will keep you shooting without risking your gear or your safety? I check for built-in protections like over-charge, over-discharge, over-current, and short-circuit protection so cells don’t get damaged and fire risk stays low. I also value over-temperature protection because it stops charging or discharging when the battery overheats, protecting both battery and camera electronics. Over-voltage protection matters too since it prevents cells from exceeding safe voltage, avoiding capacity loss and thermal runaway. Over-current and short-circuit limits protect against faults and heavy draws during fast shooting. Finally, I look for certifications such as UL or CE. Those indicate independent assessment of protection circuits and build quality, which gives me real peace of mind.
Brand Warranty And Support
Whenever you buy a replacement battery, you want more than a label and a low price, and that’s where warranty and support become something you can rely on. I check warranty length initially. One to three years gives real peace of mind. I also read the fine print to know what I must keep, like proof of purchase, serial numbers, or original packaging. I avoid brands with vague terms or many voiding conditions, such as unauthorized disassembly or exposure to extreme conditions.
Next I test support access. I want email, phone, and web options and clear response times. I look for simple return and RMA steps, who pays shipping, and expected turnaround. I prefer warranties covering capacity loss or premature failure with transparent prorated or full replacement terms.
Travel And Airline Compliance
After checking warranty and support, you’ll want to contemplate about travel rules before packing replacement batteries for your Olympus E-M1 II. I always carry spares in my carry-on because most airlines ban lithium-ion spares in checked bags. I protect terminals with tape or keep them in original plastic covers so they won’t short. I check Wh by multiplying voltage and amp hours to confirm the battery stays well under 100 Wh; that keeps things simple and accepted on most flights. I also verify the allowed number of spare batteries with my carrier since rules vary and some let only two extras. I bring a printout showing voltage and Wh for quick security checks and stay ready to show the cabin crew should asked.
