Power your essential electronic devices with the dependable performance of the Ultralast ULCR21 CR2 Lithium Replacement Battery. Designed with advanced Lithium Manganese Dioxide (Li-MnO₂) chemistry, this 3-volt CR2 battery delivers reliable, long-lasting energy with a 750mAh capacity, making it an ideal power source for cameras, pet training collars, rangefinders, security devices, and other CR2-compatible electronics.
Available in convenient 1-pack and 2-pack options, the ULCR21 provides a dependable replacement for a wide variety of popular CR2 battery models. Its lightweight, compact design makes it easy to keep spare batteries in camera bags, hunting packs, emergency kits, or everyday gear.
Compatible with numerous devices from trusted brands including Garmin®, Bushnell®, Leupold®, Olympus®, SportDOG®, Innotek®, Tri-Tronics®, and Levana®, this battery delivers the reliable power needed for photography, outdoor adventures, pet training equipment, and specialized electronics.
Provides consistent 3-volt energy output
High-capacity 750mAh lithium manganese dioxide chemistry
Long-lasting performance for demanding devices
Choose the quantity that fits your needs
Great for keeping spare batteries ready
Convenient for home, travel, outdoor, and emergency use
Replaces CR2 and equivalent battery models
Compatible with Duracell® DLCR2, EVEREADY® EL1CR2, Kodak® KCR2, Panasonic® CR2, RAYOVAC® RLCR2-1, SANYO® GES-CR2, Varta® CR2, and IEC CR15H270
Works with many cameras, pet collars, rangefinders, and electronic devices
Suitable for digital cameras, golf rangefinders, bark control collars, pet training systems, and security devices
Compatible with select Garmin®, Bushnell®, Leupold®, SportDOG®, Innotek®, Tri-Tronics®, Olympus®, and Levana® products
Carded packaging protects batteries until use
Easy to store in gear bags, drawers, and emergency kits
Brand: Ultralast
Model: ULCR21
Battery Type: Lithium Replacement Battery
Battery Size: CR2
Voltage: 3 Volts
Capacity: 750mAh
Chemistry: Lithium Manganese Dioxide (Li-MnO₂)
Pack Options: 1 Pack or 2 Pack
Rechargeable: No
Packaging: Carded
Equivalent Battery Models:
CR2
DLCR2
EL1CR2
CR15H270
KCR2
RLCR2-1
GES-CR2
Varta CR2
Compatible Devices Include:
Garmin BarkLimiter™, 010-01070-00, 010-11863-00
Bushnell Tour V2, Tour V2 Slope, Tour Z6, Tour Z6 Slope
Leupold GX1, GX2, GX3, GX4
Olympus Stylus 80
SportDOG PBC00-12104 and KIT11124
Innotek training and bark collars
Tri-Tronics Bark Limiter and Sport Junior models
Levana Oma™, Oma+™, and 32056