Easy plug-n-play install , includes parts for all spires (ir, 200, 260, iii, 280), bunkerkings ctrls, and rotors (r2, rotor, ltr),more consistent performance over aa batteries , built-in battery level indicator , 33% lighter than aa batteries,improved cold weather performance , up to 20, shots per charge (estimated usage) , holds power longer than aa batteries,more reliable - won't leak and damage your loader electronics while in storage , less waste - never buy and dispose of batteries for your loader again,no recharge memory - ok to partially charge unlike traditional rechargeable batteries
