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Topcon GPS Receiver BT-4 replacement batteryReplacement rechargeable surveying, laser equipment GPS batteries for Topcon GPS Receiver, BT-4, 7.4v 2500mAh battery
Charge your new battery pack when it arrives and first use, if for any reason its not being used then recharge it every six weeks to try to keep the cells fresh, they will always liven up when active if you maintain this regime throughout there life, probably not a good idea to leave them on a charger 24/7 though as you are then dependant on the intelligence of it to regulate the power, best just charge and remove.
Replaces the following Topcon battery codesBT-4
Known to fit the followingTopcon GPS Receiver
This battery it is manufactured by our ISO 9001 certified supplier to a very high standard.Battery Type: Ni-MHVoltage: 7.4vBattery Capacity: 2500mAhThis compatible Topcon GPS Receiver BT-4 has the following dimensions84.22mm x 50.04mm x 33.61mm
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