10EP1500-C: 12 volt 1500mAh NiMH replacement battery insert for GEB-77
10EP1500-C: 12 volt 1500mAh NiMH rechargeable replacement battery insert for GEB-77. Assembled & configured to replace the original battery set inside the GEB-77 survey battery pack (for TC400, TC905, TPS100,. THis goes INSIDE the GEB77 plastic housing. Increases the operating time (capacity) of the original product. Re-charges with the same stock charger(s).