Dogtra 202 NCP Gold Battery - Replacement for Dogtra BP20R Dog Training Collar Receiver Battery (210mAh, 3.6V, NI-MH) Replacement Dogtra 202 NCP Gold Battery Replacement for Dogtra BP20R Dog Training Collar Receiver Batteries Lifetime Warranty Capacity: 210mAh, Upstart Battery Brand On Sale for a Limited Time!